Elastic Cloud Server
Elastic Cloud Server
- What's New
- Function Overview
-
Service Overview
- ECS Infographics
- What Is ECS?
- ECS Advantages
- ECS Application Scenarios
-
ECS Types and Specifications
- ECS Overview
- ECS Lifecycle
- ECS Types
- CPU Credits
-
x86 ECS Specifications
- A Summary List of x86 ECS Specifications
- General Computing ECSs
- General Computing-plus ECSs
- General Computing-Basic ECSs
- Memory-optimized ECSs
- Large-Memory ECSs
- Disk-intensive ECSs
- Ultra-high I/O ECSs
- High-Performance Computing ECSs
- Ultra-high Performance Computing ECSs
- GPU-accelerated ECSs
- AI-accelerated ECSs
- Kunpeng ECS Specifications and Types
- Discontinued ECS Specifications
- Images
- EVS Disks
- Network
- Security
- Billing
- Notes and Constraints
- ECS and Other Services
- Permissions
- Region and AZ
-
Billing
- Billing Overview
- Billing Modes
- Billing Items
- Billing Examples
- Billing Mode Changes
- Subscription Renewal
- Bills
- Arrears
- Billing Termination
- Cost Management
-
Billing FAQ
-
Billing Modes
- What Are the Differences Between Yearly/Monthly and Pay-per-Use Billing Modes?
- Will I Be Billed After ECSs Are Stopped?
- Can I Switch Between Yearly/Monthly and Pay-per-Use Billing Modes?
- FAQs About ECS Frozen, Deletion, and Unsubscription
- How Can I Stop an ECS from Being Billed?
- FAQs About Spot ECSs
- Renewal and Unsubscription
-
Billing Modes
- Getting Started
-
User Guide
- Using IAM to Grant Access to ECS
-
Instances
- Overview
- Selecting an ECS Billing Mode
-
Purchasing an ECS
- Introducing ECS Purchase Options
- Purchasing an ECS in Quick Config Mode
- Purchasing an ECS in Custom Config Mode
- Purchasing a Spot ECS
- Purchasing a Spot Block ECS
- Purchasing an ECS Using a Private Image
- Purchasing ECSs Using Auto Launch Groups
- Purchasing an ECS in a Shared Subnet
- Purchasing the Same ECS
- Logging In to a Windows ECS
- Logging In to a Linux ECS
- Managing GPU Drivers of GPU-accelerated ECSs
- Managing ECS Configurations
- Modifying ECS Specifications (vCPUs and Memory)
- Reinstalling or Changing the OS
- Viewing ECS Information
- Recycle Bin (OBT)
- Images
- Disks
- Elastic Network Interfaces
- EIPs
- Security
- Backup Using CBR
-
Passwords and Key Pairs
- Password Reset
-
One-Click ECS Password Reset Plug-in
- Obtaining the ECS One-Click Password Reset Plug-in
- Installing the One-Click Password Reset Plug-in on an ECS
- Updating the One-Click Password Reset Plug-in for an ECS
- Using Scripts to Batch Update the One-Click Password Reset Plug-ins for Linux ECSs
- Using Scripts to Batch Update the One-Click Password Reset Plug-ins for Windows ECSs
- Key Pairs
- Launch Templates
- Auto Launch Groups
- Events
- OS Dump
- Self-Service O&M
- Resources and Tags
- Monitoring Using Cloud Eye
- Audit Using CTS
- QingTian Enclave Management
-
Best Practices
- Best Practices Summary
- Setting Up Websites on ECSs
- Configuring an ECS
- Setting Up an Environment
- Setting Up a Website
-
Setting Up an Application
- Setting Up an FTP Site
- Building Microsoft SharePoint Server 2016
- Deploying Docker
- Manually Installing a BT Panel (CentOS 7.2)
- Deploying an ECS for Handling Text Messages from an Official WeChat Account
- Manually Deploying GitLab (CentOS 7.2)
- Manually Deploying RabbitMQ (Ubuntu 20.04)
- Deploying and Using SVN
- Setting Up Primary-Secondary Replication on PostgreSQL
- Installing and Deploying Jenkins on an ECS
- Using auditd to Record File Changes (Linux)
- Restoring Accidentally Deleted Data Using Extundelete (Linux)
- Setting Up a ThinkPHP Framework
- Creating a Private Image Using Packer
- Securing an ECS
- Migrating an ECS
- Accessing OBS from an ECS over the Intranet
- Using VNC Viewer to Access a Linux ECS
-
API Reference
- Before You Start
- API Overview
- Selecting an API Type or Version
- Calling APIs
-
APIs
- Lifecycle Management
-
Status Management
- Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
- Changing an ECS OS (Using an Image with Cloud-Init Installed)
- Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
- Changing an ECS OS (Using an Image Without Cloud-Init Installed)
- Cold Migrating an ECS
- Obtaining the VNC Login Address
- Modifying the Specifications of an ECS
- Modifying the Specifications of an ECS (Pay-per-Use)
- Changing the ECS Billing Mode
- Batch Operations
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Task Status Management
- Tag Management
- Password Management
- ECS Group Management
- Historical Versions
- Application Examples
- Data Structure
-
Permissions and Supported Actions
- Introduction
- Lifecycle Management
- ECS Status Management
- Batch Operations
- Network Management
- Image Management
- Security Group Management
- Specifications Query
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- SSH Key Management
- Password Management
- Floating IP Address Management
- ECS Group Management
- ECS Management Through Console
- AZ Management
- Tag Management
- Resource-Level Authorization
- Common Parameters
-
Out-of-Date APIs
- Status Management
- Flavor Management
- NIC Management
- Disk Management
- Tag Management
- Password Management
- API Version Query (OpenStack Nova API)
- Lifecycle Management (OpenStack Nova API)
-
Status Management (OpenStack Nova API)
- Starting an ECS (Discarded)
- Restarting an ECS (Discarded)
- Disabling an ECS(Discarded)
- Locking an ECS (Discarded)
- Unlocking an ECS (Discarded)
- Creating an Image Using an ECS (Discarded)
- Modifying the Specifications of an ECS (Discarded)
- Confirming the Specifications Modification of an ECS (Discarded)
- Rolling Back ECS Specifications Modification (Discarded)
- Adding an ECS to the Monitoring List (Discarded)
- Network Management (OpenStack Nova API)
- Image Management (OpenStack Nova APIs)
-
Security Group Management (OpenStack Nova APIs)
- Querying Security Groups (Discarded)
- Creating a Security Group (Discarded)
- Querying Details About a Security Group (Discarded)
- Updating a Security Group (Discarded)
- Deleting a Security Group (Discarded)
- Creating a Security Group Rule (Discarded)
- Deleting a Security Group Rule (Discarded)
- Adding a Security Group (Discarded)
- Removing a Security Group (Discarded)
- Querying Security Groups of a Specified ECS (Discarded)
- Flavor Management (OpenStack Nova API)
- NIC Management (OpenStack Nova API)
-
Disk Management (OpenStack Nova APIs)
- Querying Brief Information About Disks (Discarded)
- Querying Detailed Information About Disks (Discarded)
- Querying Information About a Disk (Discarded)
- Creating a Disk (Discarded)
- Deleting a Disk (Discarded)
- Querying Disks Attached to an ECS (Discarded)
- Querying a Disk Attached to an ECS (Discarded)
- Attaching an ECS Data Disk (Discarded)
- Detaching a Disk from an ECS (Discarded)
- Metadata Management (OpenStack Nova API)
- Tenant Quota Management (OpenStack Nova API)
- Key and Password Management (OpenStack Nova API)
- ECS Group Management (OpenStack Nova API)
- ECS Operation Management (OpenStack Nova API)
- ECS Management Through Console (OpenStack Nova API)
- AZs (OpenStack Nova API)
- Tag Management (OpenStack Nova API)
-
Floating IP Address Management (OpenStack Nova APIs)
- Binding a Floating IP Address (Discarded)
- Unbinding a Floating IP Address (Discarded)
- Assigning a Floating IP Address (Discarded)
- Querying Floating IP Addresses (Discarded)
- Querying Details About a Floating IP Address (Discarded)
- Releasing a Floating IP Address (Discarded)
- Querying Floating IP Address Pools (Discarded)
- Snapshot Management (OpenStack Nova APIs)
- Appendix
- SDK Reference
-
FAQs
- Common FAQ
- Product Consulting
-
ECS Creation
- What Do I Do If I Cannot Find My ECSs?
- What Should I Do If the ECS Resources to Be Purchased Are Sold Out?
- How Can I Set Sequential ECS Names When Creating Multiple ECSs?
- What Is the Creation Time and Launch Time of an ECS?
- Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
- When Does an ECS Become Provisioned?
- Why Cannot I View the ECSs Being Created Immediately After I Pay for Them?
- What Should I Do If the ECS Fails to Be Provisioned After I Have Paid the Order?
- Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
- What Do I Do If I Selected an Incorrect Image for My ECS?
- Should I Choose Windows OS or Linux OS for My ECS?
- How Quickly Can I Obtain an ECS?
- How Can I Manage ECSs by Group?
- Why Did I Fail to Configure an Anti-Affinity ECS Group?
- ECS Deletion and Unsubscription
-
Remote Login
-
Login Preparations
- What Are the Login Requirements for ECSs?
- What Are the Username and Password for Remote Logins?
- Can I Retrieve My Remote Login Password?
- Why Cannot I Use the Username and Password Configured During the Creation of a GPU-accelerated ECS to Log In to the ECS Through SSH?
- What Should I Do If Starting an ECS Remains in "Waiting for cloudResetPwdAgent" State?
-
Remote Logins
- Can I Troubleshoot ECSs By Myself?
- How Do I Log In to My ECS?
- Why Can't I Log In to My Windows ECS?
- Why Can't I Log In to My Linux ECS?
- What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS?
- How Can I Change a Remote Login Port?
- Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
- Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
- What Browser Version Is Required to Remotely Log In to an ECS?
- What Should I Do If I Cannot Access a Windows Server 2012 OS After Uninstalling Some Software?
- How Can I Log In to an ECS After It Exchanged the System Disk with Another ECS Running the Same OS?
- Why Does the System Display a Message Indicating that the Password for Logging In to an ECS Cannot Be Obtained?
- How Can I Change the Resolution of a Windows ECS?
-
VNC Login
- Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
- What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
- What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
- Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC?
- What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
- Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
-
Remote Login Errors on Windows
- Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
- Why Can't I Use the Local Computer to Connect to My Windows ECS?
- How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
- Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
- Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS?
- Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
- Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS?
- Why Does an Internal Error Occur When I Log In to My Windows ECS?
- Why Is My Remote Session Interrupted by a Protocol Error?
- Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
- Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
- Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
- Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
- Why Does BSOD Occur When I Log In to an ECS Using Remote Desktop Connection?
- Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
-
Remote Login Errors on Linux
- Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
- Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
-
Login Preparations
-
Billing
- What Are the Differences Between Yearly/Monthly and Pay-per-Use Billing Modes?
- Will I Be Billed After ECSs Are Stopped?
- Can I Switch Between Yearly/Monthly and Pay-per-Use Billing Modes?
- FAQs About ECS Frozen, Deletion, and Unsubscription
- How Can I Stop an ECS from Being Billed?
- FAQs About Spot ECSs
- How Can I Renew ECSs?
- How Can I Automatically Renew a Yearly/Monthly ECS?
- Will I Receive a Notification If My Account Balance Is Insufficient?
- Will I Receive a Notification of Account Balance Changes?
-
Region and AZ
- What Is AZ and How Can I Select and View an AZ?
- What Is a Region?
- Are Products Different in Different Regions?
- Is Data Transmission Between AZs Billed?
- Can I Change the Region or AZ After an ECS Is Purchased?
- Can I Migrate an ECS to Another Region, AZ, or Account?
- Can a Load Balancer Distribute Traffic to ECSs in Different Regions?
- Is Application Disaster Recovery Available in Different Regions?
- Are There Any Services Provided for Application Disaster Recovery?
- Can Components Contained in an Application Be Distributed to Different Regions?
-
OS
- How Do I Use BYOL?
- Do ECSs Support GUI?
- How Can I Install a GUI on an ECS Running CentOS 6?
- How Can I Install a GUI on an ECS Running CentOS 7?
- How Can I Install a GUI on an ECS Running Ubuntu?
- How Can I Install a GUI on an ECS Running Debian?
- Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS?
- How Can I Upgrade the Kernel of a Linux ECS?
- Why Cannot My ECS OS Start Properly?
- How Can I Fix the Meltdown and Spectre Security Vulnerabilities on Intel Processor Chips?
- How Can I Enable SELinux on an ECS Running CentOS?
- What Should I Do If the Cursor Is Unavailable After a GNOME GUI Is Installed on a Kunpeng ECS Running CentOS 7 or NeoKylin NKASV 7?
- How Do I View the GPU Usage of a GPU-accelerated ECS?
- Why Does the NVIDIA Kernel Crashes on a GPU-accelerated ECS?
-
Disk Partition, Attachment, and Expansion
- Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
- How Can I Adjust System Disk Partitions?
- How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
- How Can I Enable Virtual Memory on a Windows ECS?
- How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
- How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
- Can I Attach Multiple Disks to an ECS?
- What Are the Requirements for Attaching an EVS Disk to an ECS?
- Which ECSs Can Be Attached with SCSI EVS Disks?
- What Should I Do If Attaching a Disk to a Windows ECS Failed But There Are Still Available Device Names?
- Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
- How Can I Check Whether the ECSs Attached with the Same Shared SCSI Disk Are in the Same ECS Group?
- Can All Users Use the Encryption Feature?
- How Can I Add ECSs Using Local Disks to an ECS Group?
- How Can I Delete or Unsubscribe from a Yearly/Monthly Disk?
- Will My EVS Disk Be Unsubscribed or Deleted When I Unsubscribe from or Delete Its Server?
- Why Does a Disk Attached to a Windows ECS Go Offline?
- Why Does the Disk Drive Letter Change After the ECS Is Restarted?
- How Can I Obtain Data Disk Information If Tools Are Uninstalled?
- How Can I Rectify the Fault That May Occur on a Linux ECS with an NVMe SSD Disk Attached?
- Why Is the Device Name of My C6 ECS in the sd* Format?
- Why Are Disk Error Logs Printed After a Disk Attached to an ECS Is Formatted with the ext4 File System?
- Data Backup and Restoration
-
Network Configuration
- How Can I Configure the NTP and DNS Servers for an ECS?
- Does Huawei Cloud Provide the NTP Server and How Can I Configure It?
- How Do I Configure DNS for an ECS?
- Can the ECSs of Different Accounts in Different VPCs Communicate over an Intranet?
- Will My ECSs Be Deployed in the Same Subnet?
- How Do I Change the CIDR Block of an ECS Subnet?
- How Do I Configure Port Mapping?
- How Can I Obtain the MAC Address of My ECS?
- How Can I View and Modify Kernel Parameters of a Linux ECS?
- Why Is the NIC Not Working?
- Why Can't I Use DHCP to Obtain a Private IP Address?
- How Can I Test the Network Performance of Linux ECSs?
- What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified?
- Will NICs Added to an ECS Start Automatically?
- How Can I Check Whether the Network Communication Is Normal Between Two ECSs Equipped with an InfiniBand NIC Driver?
- How Can I Manually Configure an IP Address for an InfiniBand NIC?
- How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
- How Can I Add a Static Route to a CentOS 6.5 OS?
-
EIP
- Can Multiple EIPs Be Bound to an ECS?
- Can an ECS Without an EIP Bound Access the Internet?
- What Should I Do If an EIP Cannot Be Pinged?
- Why Can I Remotely Access an ECS But Cannot Ping It?
- Why Is Outbound Access on TCP Port 25 Blocked?
- How Do I Query the Egress Public IP Address of My ECS?
- Why My EIPs Are Frozen? How Do I Unfreeze My EIPs?
-
Password and Key Pair
- How Can I Change the Password for Logging In to a Linux ECS?
- What Is the Default Password for Logging In to a Linux ECS?
- How Can I Set the Validity Period of the Image Password?
- Resetting the Password for Logging In to an ECS in the OS
- Resetting the Password for Logging In to a Windows ECS Without the Password Reset Plug-in Installed
- Resetting the Password for Logging In to a Linux ECS Without the Password Reset Plug-in Installed
- What Should I Do If the System Displays a Message Indicating that the Password Is Incorrect When I Remotely Log In to My ECS?
- What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time?
- Why Does Login to My ECS Using the Reset Password Fail?
- Why Am I Seeing the Message Indicating That the Port Is Used by a One-Click Password Reset Plug-in?
- Why Does the One-Click Password Reset Plug-in Use Too Much VIRT and SHR?
- Disabling SELinux
- What Should I Do If the One-Click Password Reset Plug-ins Installed on a Linux ECS Fail to Be Started?
- How Can I Obtain the Key Pair Used by My ECS?
- How Can I Use a Key Pair?
- Can I Download a Key Pair from My Phone?
- What Should I Do If a Key Pair Cannot Be Imported?
- Why Does the Login to My Linux ECS Using a Key File Fail?
- What Should I Do If I Cannot Download a Key Pair?
- Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
- What Is the Cloudbase-Init Account in Windows ECSs Used for?
- What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
- Application Deployment and Software Installation
-
File Upload/Data Transfer
- How Do I Upload Files to My ECS?
- How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
- How Can I Use OBS to Transfer Files from a Local Windows Computer to a Windows ECS?
- How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
- How Can I Transfer Files from a Local Mac to a Windows ECS?
- How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
- How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Transfer Data Between a Local Computer and a Windows ECS?
- What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
- What Should I Do If Writing Data Failed When I Upload a File Using FTP?
- Why Does Internet Access to an ECS Deployed with FTP Fail?
- Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
- Why Do I Fail to Connect to a Linux ECS Using WinSCP?
-
ECS Failure
- How Do I Handle Error Messages Displayed on the Management Console?
- How Can I Recover a Windows ECS with an Abnormal Virtualization Driver?
- What Should I Do If Emails Configured on an ECS Cannot Be Sent?
- Why Is My Windows ECS Muted?
- How Do I Change an ECS SID?
- Why Does a Pay-per-Use ECS Fail to Be Started?
- Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
- Why Is the Hostname of My ECS Restored to the Original Name After the ECS Is Restarted?
- Is an ECS Hostname with Suffix .novalocal Normal?
- Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted?
- How Can a Changed Static Hostname Take Effect Permanently?
- Why Can't My Linux ECS Obtain Metadata?
- Slow ECS Response
-
Specification Modification
- How Do I Upgrade or Downgrade the Specifications of an ECS and Do I Need to Stop the ECS?
- What Should I Do If My Specifications Modification Request Failed to Submit?
- What Should I Do If Executing a Driver Installation Script Failed on an ECS Running CentOS 5?
- What Should I Do If Executing a Driver Installation Script Failed When I Attempted to Modify the Specifications of a Linux ECS?
- Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
- Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
-
OS Change
- Does OS Change Incur Fees?
- Can I Install or Upgrade the OS of an ECS?
- Can I Change the OS of an ECS?
- How Long Does It Take to Change an ECS OS?
- Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
- Does OS Reinstallation Incur Fees?
- Can I Select Another OS During ECS OS Reinstallation?
- How Long Does It Take to Reinstall an ECS OS?
- ECS Security Check
- Resource Management and Tag
- Image Source Management
- Internet Access Failures
- Website or Application Inaccessible
- Slow Website or Application Response
-
Troubleshooting
-
General Issues
- Why Accessing a Website Outside the Chinese Mainland Is Slow on an ECS?
- How Do I Troubleshoot a Ping Failure or Packet Loss Using a Link Test?
- How Do I Troubleshoot Slow Connections to a Website Hosted on My ECS?
- How Do I Troubleshoot an Unresponsive Website Hosted on My ECS?
- Why Am I Unable to Connect to a Port on an ECS?
- How Can I Resolve High Bandwidth Usage on My ECSs?
- Why Is My Windows ECS Running Slowly?
- Why Is My Linux ECS Running Slowly?
- How Can I Handle Slow ECS Startup?
- How Do I Configure Multiple IP Addresses for an ECS with Multiple NICs Attached?
-
Windows ECS Issues
- How Can I Retain a Session on a Windows ECS?
- How Can I Fix the Difference Between the System Time and the Local Standard Time?
- How Do I Attach an Extension NIC to a Windows ECS for Accessing the Internet?
- How Can I Fix Grayed Out Copy and Paste Options?
- How Do I Configure File Sharing and Network Disk Mapping for a Windows ECS?
- How Do I Troubleshoot an In-Service Port During Tomcat Startup?
- How Do I Troubleshoot Unavailable Input Methods?
- How Can I Set the Input Method for a Windows ECS?
- How Do I Share Files Between Windows ECSs?
- How Do I Restore Data in the Event of a Startup Failure on a Windows ECS?
- How Do I View Login Logs of a Windows ECS?
- What Can I Do If My Windows ECS Can Ping a Website but Cannot Access it?
- Why Can't I Open the Start Menu and Search Box on a Windows ECS?
-
Linux ECS Issues
- Why Is My Linux ECS Not Booting and Going Into Emergency Mode?
- How Do I Fix a "Read-Only" Error When I Edit the /etc/fstab File?
- How Do I Change the Time Zone on ECSs Running CentOS or EulerOS?
- How Do I Troubleshoot "nf_conntrack:table full, dropping packet"?
- How Do I Change the Default Boot Kernel in Ubuntu?
- How Do I Configure atop and kdump on Linux ECSs for Performance Analysis?
- Why Is the OS Version of My ECS Not the One in the Image I Selected During ECS Creation?
- How Do I Enable My ECS to Boot From the Second Kernel If It Fails to Boot from the First Kernel?
- How Can I Make /etc/rc.local Run at Startup in CentOS 7?
- What OSs Are Supported If I Want to Install Docker on a Linux ECS?
- Why Do the Modifications to /etc/security/limits.conf Not Take Effect After the ECS Restarts?
- How Do I Set vCPU Affinity for Processes Using taskset?
- What Should I Do If Error "command ´gcc´ failed with exit status 1" Occurs During PIP-based Software Installation
- What Can I Do If Switching from a Non-root User to User root Times Out?
- What Can I Do If the Permissions on the Root Directory of My CentOS ECS Changed to 777?
- What Should I Do If the IP Settings of My Linux ECS Are Lost?
- Why Does My Linux ECS Restart Unexpectedly?
- What Do I Do If Error "Cannot allocate memory" Is Displayed?
- What Can I Do If the Fork Process Failed and New Threads Cannot Be Created?
- What Can I Do If the ECS Startup or Remote Login Fails Due to Incorrect System Configurations?
- Why Do df and du Commands Show Different Disk Usage?
- What Can I Do If NetworkManager Cannot Be Started? (Error Message: Failed to restart NetworkManager.service: Unit NetworkManager.service is masked)
- Why Is the IP Address Lost After the System Time of an ECS Is Modified?
-
Configuring the Network
- Why Does My ECS Running CentOS 7 Fail to Obtain an IP Address Using dhclient?
- Why Does the NIC Names Change After I Start a Linux ECS?
- Why an Entry Is Automatically Added to /etc/hosts After a Linux ECS Is Restarted?
- How Do I Fix a Network Startup Failure Due to Multiple NIC Configuration Files?
- Why Do I Get the Error "Name or service not known" When I Ping a Public Domain Name Configured for a Linux ECS?
- Why Cannot the EIP Bound to the Extension NIC of My ECS Access the Internet?
- How Do I Fix Too High Memory Usage by NetworkManager When Multiple Docker Containers Are Running?
- Why Is the ECS IP Address Lost After the System Time Changes?
- What Can I Do If resolv.conf Gets Reset?
- What Can I Do If /etc/resolv.conf Is Restored After an ECS Running Ubuntu Is Restarted?
-
Disk Space Management Issues
- Why Can't I Mount a Disk on an Old Mount Point by Modifying fstab in CentOS 7?
- How Do I Create a Swap Partition or File in Linux?
- Why Is the Space Not Released After I Delete a Large File on a Linux ECS?
- What Should I Do If the "Read-only file system" Error Message Is Displayed When I Attempt to Delete a File on a Linux ECS?
- How Do I Fix File Creation Failures Due to Inode Exhaustion?
- Why Do I Get the Error "No space left on device" When I Create a File on a Linux ECS?
- What Can I Do If the Buffer and Cache Occupy Too Much Memory of a Linux ECS?
- What Can I Do If the Partition Capacity Fails to Be Expanded Using growpart After the EVS Disk Capacity Is Expanded?
- What Can I Do If Disk Scale-Out Fails When There Is Heavy I/O Workload for SCSI Disks?
- GPU Driver Issues
-
SSH Connection Issues
- How Do I Keep an SSH Session Alive?
- How Can I Allow or Deny Login from Specific Users or IP Addresses to an ECS Using SSH?
- Why Can't I Access an ECS Running CentOS 7 Using SSH After I Changed the Default SSH Port?
- How Can I Resolve ECS Login Failures Due to Corrupt /etc/passwd?
- Why Does It Takes a Long Time to Connect to an ECS Using SSH After UseDNS Is Enabled?
- Why Does sshd Fail to Be Started on a Linux ECS?
- How Do I Disable Login to an ECS Using SSH Password?
- Why Are Connections to a Linux ECS Using SSH or to Applications on the ECS Interrupted Occasionally?
- What Do I Do If "Authentication refused: bad ownership or modes for directory /root" Is Displayed and I Can't Log In to an ECS Using SSH Key?
- What Do I Do If I Can Log In to an Ubuntu 16.04 ECS Using SSH But the VNC Login Page Cannot Be Displayed?
-
Multi-User Login Issues
- How Do I Configure Multi-User Logins for an ECS Running Windows Server 2012?
- Why Does a Browser Launch Error Occur in Multi-User Login?
- How Do I Apply for a License for Authenticating Multi-User Sessions and Activate an ECS?
- How Do I Troubleshoot Login Screen Flickering After Configuring Multi-User Login?
-
Passwords and Key Pairs Issues
- How Do I Reset the Password for User root in Single-User Mode on a Linux ECS?
- How Do I Reset the Password for Logging In to a Linux ECS?
- How Do I Fix the "Authentication token manipulation error" When I Reset the Password Using passwd on a Linux ECS?
- How Do I Change the Key Pair for a Linux ECS?
- How Do I Change the Login Mode of a Linux ECS from Key Pair to Password?
- Firewall Configuration Issues
- BSOD Issues
- IIS Installation Issues
-
General Issues
- Videos
- Glossary
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Service Overview
-
Getting Started
- Creating an ECS
- Logging In to an ECS
-
Initializing EVS Data Disks
- Scenarios and Disk Partitions
- Initializing a Windows Data Disk (Windows Server 2008)
- Initializing a Windows Data Disk (Windows Server 2019)
- Initializing a Linux Data Disk (fdisk)
- Initializing a Linux Data Disk (parted)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
- Initializing a Linux Data Disk Larger Than 2 TiB (parted)
- Instances
- Images
- EVS Disks
- Elastic Network Interface
- EIP
- Security
- CBR
- Passwords and Key Pairs
- Permissions Management
- Resources and Tags
- Monitoring
- CTS
-
FAQs
- Common Topics
- ECS Overview
- Regions and AZs
- Billing
-
Creation and Deletion
- What Should I Do If the ECS Resources to Be Purchased Are Sold Out?
- What Is the Creation Time and Startup Time of an ECS?
- Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
- When Does an ECS Become Provisioned?
- Why Cannot I View the ECSs Being Created Immediately After I Pay for Them?
- Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
- What Do I Do If I Selected an Incorrect Image for My ECS?
- Should I Choose Windows OS or Linux OS for My ECS?
- How Quickly Can I Obtain an ECS?
- How Can I Manage ECSs by Group?
- Why Did I Fail to Configure an Anti-Affinity ECS Group?
- What Happens After I Click the Delete Button?
- Can a Deleted ECS Be Provisioned Again?
- Can a Deleted ECS Be Restored?
- How Do I Delete or Restart an ECS?
- Can I Forcibly Restart or Stop an ECS?
-
Login and Connection
- What Are the Username and Password for Remote Logins?
- Why Cannot I Use the Username and Password Configured During the Creation of a GPU-accelerated ECS to Log In to the ECS Through SSH?
- Why Can't I Log In to My Windows ECS?
- Why Can't I Log In to My Linux ECS?
- What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS?
- How Can I Change a Remote Login Port?
- Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
- Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
- What Browser Version Is Required to Remotely Log In to an ECS?
- Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
- What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
- What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
- Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC?
- What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
- Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
- How Can I Change the Resolution of a Windows ECS?
- Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
- Why Can't I Use the Local Computer to Connect to My Windows ECS?
- How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
- Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
- Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS?
- Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
- Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS?
- Why Does an Internal Error Occur When I Log In to My Windows ECS?
- Why Is My Remote Session Interrupted by a Protocol Error?
- Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
- Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
- Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
- Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
- Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
- Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
- Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
- How Do I Handle Error Messages Displayed on the Management Console?
- How Can I Recover a Windows ECS with an Abnormal Virtualization Driver?
- Why Is My Windows ECS Muted?
- How Do I Change an ECS SID?
- Why Does a Pay-per-Use ECS Fail to Be Started?
-
ECS Management
- How Can a Changed Static Hostname Take Effect Permanently?
- Is an ECS Hostname with Suffix .novalocal Normal?
- Why Is the Hostname of My ECS Restored to the Original Name After the ECS Is Restarted?
- How Can I Set Sequential ECS Names When Creating Multiple ECSs?
- How Can I Modify ECS Specifications?
- Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
- Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
-
OS Management
- Does OS Change Incur Fees?
- Can I Install or Upgrade the OS of an ECS?
- Can I Change the OS of an ECS?
- How Long Does It Take to Change an ECS OS?
- Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
- Does OS Reinstallation Incur Fees?
- Can I Select Another OS During ECS OS Reinstallation?
- How Long Does It Take to Reinstall an ECS OS?
- Do ECSs Support GUI?
- How Can I Install a GUI on an ECS Running CentOS 6?
- How Can I Install a GUI on an ECS Running CentOS 7?
- How Can I Install a GUI on an ECS Running Ubuntu?
- How Can I Install a GUI on an ECS Running Debian?
- Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS?
- How Can I Upgrade the Kernel of a Linux ECS?
- Why Cannot My ECS OS Start Properly?
- How Can I Enable SELinux on an ECS Running CentOS?
- Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted?
- How Do I View the GPU Usage of a GPU-accelerated ECS?
-
File Upload/Data Transfer
- How Do I Upload Files to My ECS?
- How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
- How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
- How Can I Transfer Files from a Local Mac to a Windows ECS?
- How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
- How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Transfer Data Between a Local Computer and a Windows ECS?
- What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
- What Should I Do If Writing Data Failed When I Upload a File Using FTP?
- Why Does Internet Access to an ECS Deployed with FTP Fail?
- Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
- Why Do I Fail to Connect to a Linux ECS Using WinSCP?
- ECS Migration
-
Disk Management
- Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
- How Can I Adjust System Disk Partitions?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
- How Can I Enable Virtual Memory on a Windows ECS?
- How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
- How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
- Can I Attach Multiple Disks to an ECS?
- What Are the Requirements for Attaching an EVS Disk to an ECS?
- Which ECSs Can Be Attached with SCSI EVS Disks?
- How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
- What Should I Do If Attaching a Disk to a Windows ECS Failed But There Are Still Available Device Names?
- Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
- How Can I Check Whether the ECSs Attached with the Same Shared SCSI Disk Are in the Same ECS Group?
- Can All Users Use the Encryption Feature?
- How Can I Add an ECS with Local Disks Attached to an ECS Group?
- Will My EVS Disk Be Deleted When I Delete Its Server?
- Why Does a Disk Attached to a Windows ECS Go Offline?
- Why Does the Disk Drive Letter Change After the ECS Is Restarted?
- How Can I Obtain Data Disk Information If Tools Are Uninstalled?
- How Can I Rectify the Fault That May Occur on a Linux ECS with an NVMe SSD Disk Attached?
- Why Is the Device Name of My C6 ECS in the sd* Format?
- Why Are Disk Error Logs Printed After a Disk Attached to an ECS Is Formatted with the ext4 File System?
-
Passwords and Key Pairs
- How Can I Change the Password for Logging In to a Linux ECS?
- What Is the Default Password for Logging In to a Linux ECS?
- How Can I Set the Validity Period of the Image Password?
- Changing the Login Password on an ECS
- What Should I Do If the System Displays a Message Indicating that the Password Is Incorrect When I Remotely Log In to My ECS?
- What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time?
- Disabling SELinux
- How Can I Obtain the Key Pair Used by My ECS?
- How Can I Use a Key Pair?
- What Should I Do If a Key Pair Cannot Be Imported?
- Why Does the Login to My Linux ECS Using a Key File Fail?
- What Should I Do If I Cannot Download a Key Pair?
- Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
- What Is the Cloudbase-Init Account in Windows ECSs Used for?
- What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
-
Network Configurations
- Can Multiple EIPs Be Bound to an ECS?
- Can an ECS Without an EIP Bound Access the Internet?
- What Should I Do If an EIP Cannot Be Pinged?
- Why Can I Remotely Access an ECS But Cannot Ping It?
- How Do I Query the Egress Public IP Address of My ECS?
- How Can I Configure the NTP and DNS Servers for an ECS?
- What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified?
- Will NICs Added to an ECS Start Automatically?
- How Do I Change the CIDR Block of an ECS Subnet?
- How Can I Check Whether the Network Communication Is Normal Between Two ECSs Equipped with an InfiniBand NIC Driver?
- How Can I Manually Configure an IP Address for an InfiniBand NIC?
- Why Is the NIC Not Working?
- How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
- How Can I Add a Static Route to a CentOS 6.5 OS?
- Why Can't My Linux ECS Obtain Metadata?
- Why Can't My Windows ECS Access the Internet?
- Why Does My Linux ECS Fail to Access the Internet?
- How Do I Troubleshoot an Unresponsive Website Hosted on My ECS?
- Why Did I See "Invalid argument" or "neighbour table overflow" During an Access to a Linux ECS?
- How Can I Obtain the MAC Address of My ECS?
- How Can I Test the Network Performance of Linux ECSs?
- Why Can't I Use DHCP to Obtain a Private IP Address?
- How Can I View and Modify Kernel Parameters of a Linux ECS?
- How Can I Configure Port Redirection?
- Can the ECSs of Different Accounts Communicate over an Intranet?
- Will ECSs That I Purchased Deployed in the Same Subnet?
- Security Configurations
- Resource Management and Tags
- Resource Monitoring
- Database Applications
-
API Reference (ME-Abu Dhabi Region)
- Before You Start
- API Overview
- Calling APIs
-
APIs (Recommended)
- Lifecycle Management
-
Status Management
- Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
- Changing an ECS OS (Using an Image with Cloud-Init Installed)
- Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
- Changing an ECS OS (Using an Image Without Cloud-Init Installed)
- Cold Migrating an ECS
- Obtaining the VNC Login Address
- Modifying the Specifications of an ECS (V1.1)
- Modifying the Specifications of an ECS
- Batch Operations
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Task Status Management
- Password Management
- ECS Group Management
-
Native OpenStack Nova APIs
- API Version Query
- Lifecycle Management
- Status Management
- Network Management
- Security Group Management
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Key and Password Management
- ECS Group Management
- ECS Operation Management
- ECS Console Management
- AZ
- Tag Management
- Historical Versions
- Application Examples
- Data Structure
-
Permissions and Supported Actions
- Introduction
-
Actions Supported by Policy-based Authorization
- Lifecycle Management
- ECS Status Management
- Batch Operations
- Network Management
- Image Management
- Security Group Management
- Specifications Query
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- SSH Key Management
- Password Management
- Floating IP Address Management
- ECS Group Management
- ECS Management Through Console
- AZ Management
- Tag Management
- Resource-Level Authorization
- Common Parameters
-
Out-of-Date APIs
- Status Management
- Flavor Management
- Disk Management
- Image Management (OpenStack Nova APIs)
- Security Group Management (OpenStack Nova APIs)
- Disk Management (OpenStack Nova APIs)
-
Floating IP Address Management (OpenStack Nova APIs)
- Binding a Floating IP Address (Discarded)
- Unbinding a Floating IP Address (Discarded)
- Assigning a Floating IP Address (Discarded)
- Querying Floating IP Addresses (Discarded)
- Querying Details About a Floating IP Address (Discarded)
- Releasing a Floating IP Address (Discarded)
- Querying Floating IP Address Pools (Discarded)
- Snapshot Management (OpenStack Nova APIs)
- Appendix
-
User Guide (Paris Regions)
- Service Overview
-
Getting Started
- Creating an ECS
- Logging In to an ECS
-
Initializing EVS Data Disks
- Scenarios and Disk Partitions
- Initializing a Windows Data Disk (Windows Server 2008)
- Initializing a Windows Data Disk (Windows Server 2019)
- Initializing a Linux Data Disk (fdisk)
- Initializing a Linux Data Disk (parted)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
- Initializing a Linux Data Disk Larger Than 2 TiB (parted)
- Using IAM to Grant Access to ECS
- Instances
- Images
- Disks
- NICsElastic Network Interfaces
- EIPs
- Security
- Backup Using CBR
- Passwords and Key Pairs
- Resources and Tags
- Monitoring Using Cloud Eye
- Audit Using CTS
- Troubleshooting
-
FAQs
- Common FAQ
- Product Consulting
-
ECS Creation
- What Should I Do If the ECS Resources to Be Purchased Are Sold Out?
- How Can I Set Sequential ECS Names When Creating Multiple ECSs?
- What Is the Creation Time and Launch Time of an ECS?
- Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
- When Does an ECS Become Provisioned?
- Why Cannot I View the ECSs Being Created Immediately After I Pay for Them?
- Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
- What Do I Do If I Selected an Incorrect Image for My ECS?
- How Quickly Can I Obtain an ECS?
- How Can I Manage ECSs by Group?
- Why Did I Fail to Configure an Anti-Affinity ECS Group?
- ECS Deletion and Unsubscription
-
Remote Login
- Login Preparations
-
Remote Logins
- Why Can't I Log In to My Windows ECS?
- Why Can't I Log In to My Linux ECS?
- How Can I Change a Remote Login Port?
- Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
- Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
- What Browser Version Is Required to Remotely Log In to an ECS?
- How Can I Log In to an ECS After It Exchanged the System Disk with Another ECS Running the Same OS?
- Why Does the System Display a Message Indicating that the Password for Logging In to an ECS Cannot Be Obtained?
- How Can I Change the Resolution of a Windows ECS?
-
VNC Login
- Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
- Why Are Characters Entered Through VNC Still Incorrect After the Keyboard Language Is Switched?
- Why Cannot I Use the French Keyboard to Enter Characters When I Log In to an ECS Using VNC?
- What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
- What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
- Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC?
- What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
- Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
-
Remote Login Errors on Windows
- Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
- Why Can't I Use the Local Computer to Connect to My Windows ECS?
- How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
- Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
- Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS?
- Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
- Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS?
- Why Does an Internal Error Occur When I Log In to My Windows ECS?
- Why Is My Remote Session Interrupted by a Protocol Error?
- Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
- Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
- Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
- Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
- Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
-
Remote Login Errors on Linux
- Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
- Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
- Billing
-
Region and AZ
- What Is AZ and How Can I Select and View an AZ?
- What Is a Region?
- Are Products Different in Different Regions?
- Is Data Transmission Between AZs Billed?
- Can I Migrate an ECS to Another Region, AZ, or Account?
- Can a Load Balancer Distribute Traffic to ECSs in Different Regions?
- Is Application Disaster Recovery Available in Different Regions?
- Are There Any Services Provided for Application Disaster Recovery?
- Can Components Contained in an Application Be Distributed to Different Regions?
-
OS
- Do ECSs Support GUI?
- How Can I Install a GUI on an ECS Running CentOS 6?
- How Can I Install a GUI on an ECS Running CentOS 7?
- How Can I Install a GUI on an ECS Running Ubuntu?
- How Can I Install a GUI on an ECS Running Debian?
- Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS?
- How Can I Upgrade the Kernel of a Linux ECS?
- Why Cannot My ECS OS Start Properly?
- How Can I Enable SELinux on an ECS Running CentOS?
- How Do I View the GPU Usage of a GPU-accelerated ECS?
-
Disk Partition, Attachment, and Expansion
- Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
- How Can I Adjust System Disk Partitions?
- How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
- How Can I Enable Virtual Memory on a Windows ECS?
- How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
- How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
- Can I Attach Multiple Disks to an ECS?
- What Are the Requirements for Attaching an EVS Disk to an ECS?
- Which ECSs Can Be Attached with SCSI EVS Disks?
- Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
- How Can I Check Whether the ECSs Attached with the Same Shared SCSI Disk Are in the Same ECS Group?
- Can All Users Use the Encryption Feature?
- How Can I Add ECSs Using Local Disks to an ECS Group?
- Why Does a Disk Attached to a Windows ECS Go Offline?
- Why Does the Disk Drive Letter Change After the ECS Is Restarted?
- How Can I Obtain Data Disk Information If Tools Are Uninstalled?
- How Can I Rectify the Fault That May Occur on a Linux ECS with an NVMe SSD Disk Attached?
- Why Is the Device Name of My C6 ECS in the sd* Format?
- Why Are Disk Error Logs Printed After a Disk Attached to an ECS Is Formatted with the ext4 File System?
-
Network Configuration
- How Can I Configure the NTP and DNS Servers for an ECS?
- How Do I Configure DNS for an ECS?
- Can the ECSs of Different Accounts in Different VPCs Communicate over an Intranet?
- Will My ECSs Be Deployed in the Same Subnet?
- How Do I Configure Port Mapping?
- How Can I Obtain the MAC Address of My ECS?
- How Can I View and Modify Kernel Parameters of a Linux ECS?
- Why Is the NIC Not Working?
- Why Can't I Use DHCP to Obtain a Private IP Address?
- How Can I Test the Network Performance of Linux ECSs?
- What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified?
- Will NICs Added to an ECS Start Automatically?
- How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
- How Can I Add a Static Route to a CentOS 6.5 OS?
- EIP
-
Password and Key Pair
- How Can I Change the Password for Logging In to a Linux ECS?
- How Can I Set the Validity Period of the Image Password?
- Resetting the Password for Logging In to an ECS in the OS
- Resetting the Password for Logging In to a Windows ECS
- Resetting the Password for Logging In to a Linux ECS
- What Should I Do If the System Displays a Message Indicating that the Password Is Incorrect When I Remotely Log In to My ECS?
- What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time?
- Disabling SELinux
- How Can I Obtain the Key Pair Used by My ECS?
- How Can I Use a Key Pair?
- What Should I Do If a Key Pair Cannot Be Imported?
- Why Does the Login to My Linux ECS Using a Key File Fail?
- What Should I Do If I Cannot Download a Key Pair?
- Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
- What Is the Cloudbase-Init Account in Windows ECSs Used for?
- What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
- Application Deployment and Software Installation
-
File Upload/Data Transfer
- How Do I Upload Files to My ECS?
- How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
- How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
- How Can I Transfer Files from a Local Mac to a Windows ECS?
- How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
- How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Transfer Data Between a Local Computer and a Windows ECS?
- What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
- What Should I Do If Writing Data Failed When I Upload a File Using FTP?
- Why Does Internet Access to an ECS Deployed with FTP Fail?
- Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
- Why Do I Fail to Connect to a Linux ECS Using WinSCP?
-
ECS Failure
- How Do I Handle Error Messages Displayed on the Management Console?
- How Can I Recover a Windows ECS with an Abnormal Virtualization Driver?
- Why Is My Windows ECS Muted?
- How Do I Change an ECS SID?
- Why Does a Pay-per-Use ECS Fail to Be Started?
- Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
- Why Is the Hostname of My ECS Restored to the Original Name After the ECS Is Restarted?
- Is an ECS Hostname with Suffix .novalocal Normal?
- Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted?
- How Can a Changed Static Hostname Take Effect Permanently?
- Why Can't My Linux ECS Obtain Metadata?
- Slow ECS Response
-
Specification Modification
- How Do I Upgrade or Downgrade the Specifications of an ECS and Do I Need to Stop the ECS?
- What Should I Do If Executing a Driver Installation Script Failed on an ECS Running CentOS 5?
- What Should I Do If Executing a Driver Installation Script Failed When I Attempted to Modify the Specifications of a Linux ECS?
- Why Do the Disks of a Windows ECS Go Offline After I Modify the ECS Specifications?
- Why Does the Disk Attachment of a Linux ECS Fail After I Modify the ECS Specifications?
-
OS Change
- Does OS Change Incur Fees?
- Can I Install or Upgrade the OS of an ECS?
- Can I Change the OS of an ECS?
- How Long Does It Take to Change an ECS OS?
- Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
- Does OS Reinstallation Incur Fees?
- Can I Select Another OS During ECS OS Reinstallation?
- How Long Does It Take to Reinstall an ECS OS?
- ECS Security Check
- Resource Management and Tag
- Internet Inaccessible
- Website or Application Inaccessible
-
API Reference (Paris Regions)
- Before You Start
- API Overview
- Selecting an API Type or Version
- Calling APIs
- APIs (Recommended)
-
Native OpenStack Nova APIs
- API Version Query
- Lifecycle Management
-
Status Management
- Starting an ECS
- Restarting an ECS
- Disabling an ECS
- Locking an ECS
- Unlocking an ECS
- Rebuilding an ECS
- Creating an Image Using an ECS
- Modifying the Specifications of an ECS
- Confirming the Specifications Modification of an ECS
- Rolling Back ECS Specifications Modification
- Adding an ECS to the Monitoring List
- Network Management
- Security Group Management
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Key and Password Management
- ECS Group Management
- ECS Operation Management
- ECS Console Management
- Tag Management
- Historical Versions
- Application Examples
- Data Structure
-
Permissions and Supported Actions
- Introduction
-
Actions Supported by Policy-based Authorization
- Lifecycle Management
- ECS Status Management
- Batch Operations
- Network Management
- Image Management
- Security Group Management
- Specifications Query
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- SSH Key Management
- Password Management
- Floating IP Address Management
- ECS Group Management
- Tag Management
- Common Parameters
-
Out-of-Date APIs
- Status Management
- Image Management (OpenStack Nova APIs)
- Security Group Management (OpenStack Nova APIs)
- Disk Management (OpenStack Nova APIs)
-
Floating IP Address Management (OpenStack Nova APIs)
- Binding a Floating IP Address (Discarded)
- Unbinding a Floating IP Address (Discarded)
- Assigning a Floating IP Address (Discarded)
- Querying Floating IP Addresses (Discarded)
- Querying Details About a Floating IP Address (Discarded)
- Releasing a Floating IP Address (Discarded)
- Querying Floating IP Address Pools (Discarded)
- Snapshot Management (OpenStack Nova APIs)
- Appendix
-
User Guide (Kuala Lumpur Region)
- Service Overview
-
Getting Started
- Creating an ECS
- Logging In to an ECS
-
Initializing EVS Data Disks
- Scenarios and Disk Partitions
- Initializing a Windows Data Disk (Windows Server 2008)
- Initializing a Windows Data Disk (Windows Server 2019)
- Initializing a Linux Data Disk (fdisk)
- Initializing a Linux Data Disk (parted)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
- Initializing a Linux Data Disk Larger Than 2 TiB (parted)
- Using IAM to Grant Access to ECS
- Instances
- Images
- Disks
- NICs
- EIPs
- Security
- Backup Using CBR
- Passwords and Key Pairs
- Resources and Tags
- Monitoring Using Cloud Eye
- Audit Using CTS
-
FAQs
- Common FAQ
- Product Consulting
-
ECS Creation
- What Should I Do If the ECS Resources to Be Purchased Are Sold Out?
- How Can I Set Sequential ECS Names When Creating Multiple ECSs?
- What Is the Creation Time and Launch Time of an ECS?
- Why Does the Failures Area Show an ECS Creation Failure But the ECS List Displays the Created ECS?
- When Does an ECS Become Provisioned?
- Why Cannot I View the ECSs Being Created Immediately After I Pay for Them?
- Why Does It Take Longer to Create ECSs When I Use a Full-ECS Image?
- What Do I Do If I Selected an Incorrect Image for My ECS?
- Should I Choose Windows OS or Linux OS for My ECS?
- How Quickly Can I Obtain an ECS?
- How Can I Manage ECSs by Group?
- Why Did I Fail to Configure an Anti-Affinity ECS Group?
- ECS Deletion and Unsubscription
-
Remote Login
- Login Preparations
-
Remote Logins
- Why Can't I Log In to My Windows ECS?
- Why Can't I Log In to My Linux ECS?
- What Should I Do If I Cannot Use MSTSC to Log In to an ECS Running the Windows Server 2012 OS?
- How Can I Change a Remote Login Port?
- Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS?
- Why Can't I Obtain the Password for Logging In to My Windows ECS Authenticated Using a Key Pair?
- What Browser Version Is Required to Remotely Log In to an ECS?
- Why Does the System Display a Message Indicating that the Password for Logging In to an ECS Cannot Be Obtained?
- How Can I Change the Resolution of a Windows ECS?
-
VNC Login
- Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC?
- What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time?
- What Should I Do If I Cannot View Data After Logging In to an ECS Using VNC?
- Why Does a Blank Screen Appear After I Attempted to Log In to an ECS Using VNC?
- What Should I Do If Error Code 1006 or 1000 Is Displayed When I Log In to an ECS Through the Management Console?
- Why No Audio File Can Be Properly Played on My Windows ECS Logged In Using VNC?
-
Remote Login Errors on Windows
- Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
- Why Can't I Use the Local Computer to Connect to My Windows ECS?
- How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
- Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
- Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS?
- Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
- Why Does the System Display a Message Indicating Invalid Credentials When I Attempt to Access a Windows ECS?
- Why Does an Internal Error Occur When I Log In to My Windows ECS?
- Why Is My Remote Session Interrupted by a Protocol Error?
- Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
- Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
- Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
- Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
- Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
-
Remote Login Errors on Linux
- Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
- Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
-
OS
- Do ECSs Support GUI?
- How Can I Install a GUI on an ECS Running CentOS 6?
- How Can I Install a GUI on an ECS Running CentOS 7?
- How Can I Install a GUI on an ECS Running Ubuntu?
- How Can I Install a GUI on an ECS Running Debian?
- Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS?
- How Can I Upgrade the Kernel of a Linux ECS?
- Why Cannot My ECS OS Start Properly?
- How Can I Enable SELinux on an ECS Running CentOS?
- How Do I View the GPU Usage of a GPU-accelerated ECS?
-
Disk Partition, Attachment, and Expansion
- Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
- How Can I Adjust System Disk Partitions?
- How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
- How Can I Enable Virtual Memory on a Windows ECS?
- How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
- How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
- Can I Attach Multiple Disks to an ECS?
- What Are the Requirements for Attaching an EVS Disk to an ECS?
- Which ECSs Can Be Attached with SCSI EVS Disks?
- What Should I Do If Attaching a Disk to a Windows ECS Failed But There Are Still Available Device Names?
- Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
- How Can I Check Whether the ECSs Attached with the Same Shared SCSI Disk Are in the Same ECS Group?
- Can All Users Use the Encryption Feature?
- How Can I Add ECSs Using Local Disks to an ECS Group?
- Will My EVS Disk Be Deleted When I Delete Its Server?
- Why Does a Disk Attached to a Windows ECS Go Offline?
- Why Does the Disk Drive Letter Change After the ECS Is Restarted?
- How Can I Obtain Data Disk Information If Tools Are Uninstalled?
- How Can I Rectify the Fault That May Occur on a Linux ECS with an NVMe SSD Disk Attached?
- Why Is the Device Name of My C6 ECS in the sd* Format?
- Why Are Disk Error Logs Printed After a Disk Attached to an ECS Is Formatted with the ext4 File System?
- Data Backup and Restoration
-
Network Configuration
- How Can I Configure the NTP and DNS Servers for an ECS?
- Can the ECSs of Different Accounts in Different VPCs Communicate over an Intranet?
- Will My ECSs Be Deployed in the Same Subnet?
- How Do I Change the CIDR Block of an ECS Subnet?
- How Do I Configure Port Mapping?
- How Can I Obtain the MAC Address of My ECS?
- How Can I View and Modify Kernel Parameters of a Linux ECS?
- Why Can't I Use DHCP to Obtain a Private IP Address?
- How Can I Test the Network Performance of Linux ECSs?
- What Should I Do If NIC Flapping Occurs After My ECS Specifications Are Modified?
- Will NICs Added to an ECS Start Automatically?
- How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
- How Can I Add a Static Route to a CentOS 6.5 OS?
- EIP
-
Password and Key Pair
- How Can I Change the Password for Logging In to a Linux ECS?
- What Is the Default Password for Logging In to a Linux ECS?
- How Can I Set the Validity Period of the Image Password?
- Resetting the Password for Logging In to an ECS in the OS
- What Should I Do If the System Displays a Message Indicating that the Password Is Incorrect When I Remotely Log In to My ECS?
- What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time?
- Disabling SELinux
- How Can I Obtain the Key Pair Used by My ECS?
- How Can I Use a Key Pair?
- What Should I Do If a Key Pair Cannot Be Imported?
- Why Does the Login to My Linux ECS Using a Key File Fail?
- What Should I Do If I Cannot Download a Key Pair?
- Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
- What Is the Cloudbase-Init Account in Windows ECSs Used for?
- What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
- Application Deployment and Software Installation
-
File Upload/Data Transfer
- How Do I Upload Files to My ECS?
- How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
- How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
- How Can I Transfer Files from a Local Mac to a Windows ECS?
- How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
- How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Transfer Data Between a Local Computer and a Windows ECS?
- What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
- What Should I Do If Writing Data Failed When I Upload a File Using FTP?
- Why Does Internet Access to an ECS Deployed with FTP Fail?
- Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
- Why Do I Fail to Connect to a Linux ECS Using WinSCP?
-
ECS Failure
- How Do I Handle Error Messages Displayed on the Management Console?
- How Can I Recover a Windows ECS with an Abnormal Virtualization Driver?
- Why Is My Windows ECS Muted?
- How Do I Change an ECS SID?
- Why Does a Pay-per-Use ECS Fail to Be Started?
- Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
- Why Is the Hostname of My ECS Restored to the Original Name After the ECS Is Restarted?
- Is an ECS Hostname with Suffix .novalocal Normal?
- Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted?
- How Can a Changed Static Hostname Take Effect Permanently?
- Why Can't My Linux ECS Obtain Metadata?
- Slow ECS Response
- Specification Modification
-
OS Change
- Does OS Change Incur Fees?
- Can I Install or Upgrade the OS of an ECS?
- Can I Change the OS of an ECS?
- How Long Does It Take to Change an ECS OS?
- Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications?
- Does OS Reinstallation Incur Fees?
- Can I Select Another OS During ECS OS Reinstallation?
- How Long Does It Take to Reinstall an ECS OS?
- ECS Security Check
- Resource Management and Tag
- Internet Inaccessible
- Website or Application Inaccessible
-
API Reference (Kuala Lumpur Region)
- Before You Start
- API Overview
- Calling APIs
-
APIs (Recommended)
- Lifecycle Management
-
Status Management
- Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
- Changing an ECS OS (Using an Image with Cloud-Init Installed)
- Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
- Changing an ECS OS (Using an Image Without Cloud-Init Installed)
- Cold Migrating an ECS
- Obtaining the VNC Login Address
- Modifying the Specifications of an ECS (V1.1)
- Modifying the Specifications of an ECS
- Batch Operations
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Task Status Management
- Password Management
- ECS Group Management
-
Native OpenStack Nova APIs
- API Version Query
- Lifecycle Management
- Status Management
- Network Management
- Security Group Management
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Key and Password Management
- ECS Group Management
- ECS Operation Management
- ECS Console Management
- AZ
- Tag Management
- Historical Versions
- Application Examples
- Data Structure
-
Permissions and Supported Actions
- Introduction
-
Actions Supported by Policy-based Authorization
- Lifecycle Management
- ECS Status Management
- Batch Operations
- Network Management
- Image Management
- Security Group Management
- Specifications Query
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- SSH Key Management
- Password Management
- Floating IP Address Management
- ECS Group Management
- ECS Management Through Console
- AZ Management
- Tag Management
- Common Parameters
-
Out-of-Date APIs
- Status Management
- Flavor Management
- Disk Management
- Image Management (OpenStack Nova APIs)
- Security Group Management (OpenStack Nova APIs)
- Disk Management (OpenStack Nova APIs)
-
Floating IP Address Management (OpenStack Nova APIs)
- Binding a Floating IP Address (Discarded)
- Unbinding a Floating IP Address (Discarded)
- Assigning a Floating IP Address (Discarded)
- Querying Floating IP Addresses (Discarded)
- Querying Details About a Floating IP Address (Discarded)
- Releasing a Floating IP Address (Discarded)
- Querying Floating IP Address Pools (Discarded)
- Snapshot Management (OpenStack Nova APIs)
- Appendix
-
User Guide (Ankara Region)
- Service Overview
-
Getting Started
- Creating an ECS
- Logging In to an ECS
-
Initializing EVS Data Disks
- Scenarios and Disk Partitions
- Initializing a Windows Data Disk (Windows Server 2008)
- Initializing a Windows Data Disk (Windows Server 2019)
- Initializing a Linux Data Disk (fdisk)
- Initializing a Linux Data Disk (parted)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2008)
- Initializing a Windows Data Disk Larger Than 2 TiB (Windows Server 2012)
- Initializing a Linux Data Disk Larger Than 2 TiB (parted)
- Using IAM to Grant Access to ECS
- Instances
- Images
- Disks
- Elastic Network Interfaces
- EIPs
- Security
- Backup Using CBR
- Passwords and Key Pairs
- Resources
- Monitoring Using Cloud Eye
-
FAQs
- Product Consulting FAQ
- ECS Creation FAQ
- ECS Deletion and Unsubscription FAQ
-
Remote Login FAQ
- Login Preparations
- Remote Logins
- VNC Login
-
Remote Login Errors on Windows
- Why Does an Authentication Failure Occurs After I Attempt to Remotely Log In to a Windows ECS?
- Why Can't I Use the Local Computer to Connect to My Windows ECS?
- How Can I Obtain the Permission to Remotely Log In to a Windows ECS?
- Why Does the System Display No Remote Desktop License Servers Available to Provide a License When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x112f When I Log In to a Windows ECS?
- Why Does the System Display Error Code 0x1104 When I Log In to a Windows ECS?
- Why Does the System Display Error Code 122.112... When I Log In to a Windows ECS?
- Why Does the System Display Invalid Certificate or Associated Chain When I Log In to a Windows ECS from a Mac?
- Why Is My Remote Session Interrupted by a Protocol Error?
- Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS?
- Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS?
- Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS?
- Why Does My Remote Desktop Session End Because Another User Logs In When I Log In to a Windows ECS?
- Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed?
-
Remote Login Errors on Linux
- Why Am I Seeing the Error Message "Module is unknown" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "read: Connection reset by peer" Is Displayed When I Remotely Log In to a Linux ECS?
- Why Am I Seeing the Error Message "Access denied" When I Remotely Log In to a Linux ECS?
- What Should I Do If Error Message "Disconnected: No supported authentication methods available" Is Displayed When I Remotely Log In to a Linux ECS?
-
Disk Partition, Attachment, and Expansion FAQ
- Why Can't I Find My Newly Purchased Data Disk After I Log In to My Windows ECS?
- How Can I Adjust System Disk Partitions?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Windows ECS?
- How Can I Obtain the Mapping Between Disk Partitions and Disk Devices on a Linux ECS?
- How Can I Enable Virtual Memory on a Windows ECS?
- How Can I Add the Empty Partition of an Expanded System Disk to the End Root Partition Online?
- How Can I Add the Empty Partition of an Expanded System Disk to the Non-end Root Partition Online?
- Can I Attach Multiple Disks to an ECS?
- What Are the Requirements for Attaching an EVS Disk to an ECS?
- Which ECSs Can Be Attached with SCSI EVS Disks?
- How Do I Obtain My Disk Device Name in the ECS OS Using the Device Identifier Provided on the Console?
- Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted?
- Why Does a Disk Attached to a Windows ECS Go Offline?
- Why Does the Disk Drive Letter Change After the ECS Is Restarted?
- How Can I Obtain Data Disk Information If Tools Are Uninstalled?
-
Network Configuration FAQ
- Can the ECSs of Different Accounts Communicate over an Intranet?
- Will ECSs That I Purchased Deployed in the Same Subnet?
- How Do I Configure Port Mapping?
- How Can I Obtain the MAC Address of My ECS?
- How Can I View and Modify Kernel Parameters of a Linux ECS?
- Why Can't I Use DHCP to Obtain a Private IP Address?
- How Can I Test the Network Performance of Linux ECSs?
- Will NICs Added to an ECS Start Automatically?
- How Can I Check Whether the Network Communication Is Normal Between Two ECSs Equipped with an InfiniBand NIC Driver?
- How Can I Manually Configure an IP Address for an InfiniBand NIC?
- How Can I Handle the Issue that a Windows 7 ECS Equipped with an Intel 82599 NIC Reports an Error in SR-IOV Scenarios?
- EIP FAQ
-
Password and Key Pair FAQ
- How Can I Set the Validity Period of the Image Password?
- Why Does Login to My ECS Using the Reset Password Fail?
- Why Am I Seeing the Message Indicating That the Port Is Used by a One-Click Password Reset Plug-in?
- Why Does the One-Click Password Reset Plug-in Use Too Much VIRT and SHR?
- How Can I Obtain the Key Pair Used by My ECS?
- What Should I Do If a Key Pair Cannot Be Imported?
- Why Does the Login to My Linux ECS Using a Key File Fail?
- Why Does a Key Pair Created Using puttygen.exe Fail to Be Imported on the Management Console?
- What Is the Cloudbase-Init Account in Windows ECSs Used for?
- What Should I Do If Cloud-Init Does Not Work After Python Is Upgraded?
- Application Deployment and Software Installation FAQ
-
File Upload/Data Transfer FAQ
- How Do I Upload Files to My ECS?
- How Can I Transfer Files from a Local Windows Computer to a Windows ECS?
- How Can I Use WinSCP to Transfer Files from a Local Windows Computer to a Linux ECS?
- How Can I Transfer Files from a Local Mac to a Windows ECS?
- How Can I Use SCP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use SFTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows or Linux ECS?
- How Can I Use FTP to Transfer Files Between a Local Linux Computer and a Linux ECS?
- What Should I Do If the Connection Between the Client and the Server Times Out When I Upload a File Using FTP?
- What Should I Do If Writing Data Failed When I Upload a File Using FTP?
- Why Am I Seeing an FTP Folder Error When I Open a Folder on an FTP Server?
- Why Do I Fail to Connect to a Linux ECS Using WinSCP?
-
ECS Failure FAQ
- How Do I Handle Error Messages Displayed on the Management Console?
- Why Does the System Display a Question Mark When I Attempt to Obtain Console Logs?
- Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory?
- Is an ECS Hostname with Suffix .novalocal Normal?
- How Can a Changed Static Hostname Take Effect Permanently?
- Why Can't My Linux ECS Obtain Metadata?
- Slow ECS Response FAQ
- Specification Modification FAQ
- OS Change FAQ
-
API Reference (Ankara Region)
- Before You Start
- API Overview
- Calling APIs
-
APIs (Recommended)
- Lifecycle Management
-
Status Management
- Reinstalling an ECS OS (Using an Image with Cloud-Init Installed)
- Changing an ECS OS (Using an Image with Cloud-Init Installed)
- Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed)
- Changing an ECS OS (Using an Image Without Cloud-Init Installed)
- Modifying the Specifications of an ECS
- Batch Operations
- Flavor Management
- NIC Management
- Disk Management
- Tenant Quota Management
- Task Status Management
- Tag Management
- Password Management
-
Native OpenStack Nova APIs
- API Version Query
- Lifecycle Management
- Status Management
- Network Management
- Security Group Management
- Flavor Management
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- Key and Password Management
- ECS Group Management
- ECS Operation Management
- ECS Console Management
- AZ
- Tag Management
- Historical Versions
- Application Examples
- Data Structure
-
Permissions and Supported Actions
- Introduction
-
Actions Supported by Policy-based Authorization
- Lifecycle Management
- ECS Status Management
- Batch Operations
- Network Management
- Image Management
- Security Group Management
- Specifications Query
- NIC Management
- Disk Management
- Metadata Management
- Tenant Quota Management
- SSH Key Management
- Password Management
- Floating IP Address Management
- ECS Group Management
- ECS Management Through Console
- AZ Management
- Tag Management
- Common Parameters
-
Out-of-Date APIs
- Status Management
- Tag Management
- Image Management (OpenStack Nova APIs)
- Security Group Management (OpenStack Nova APIs)
- Disk Management (OpenStack Nova APIs)
-
Floating IP Address Management (OpenStack Nova APIs)
- Binding a Floating IP Address (Discarded)
- Unbinding a Floating IP Address (Discarded)
- Assigning a Floating IP Address (Discarded)
- Querying Floating IP Addresses (Discarded)
- Querying Details About a Floating IP Address (Discarded)
- Releasing a Floating IP Address (Discarded)
- Querying Floating IP Address Pools (Discarded)
- Snapshot Management (OpenStack Nova APIs)
- Appendix
-
User Guide (ME-Abu Dhabi Region)
- General Reference
On this page
Show all
Feedback
Was this page helpful?
Provide feedbackThank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.
The system is busy. Please try again later.
For any further questions, feel free to contact us through the chatbot.
Chatbot
