Document Center

    Elastic Compute Service

    • Announcements & Updates
      • Release notes
      • Security announcement
        • Vulnerability announcement | Linux Netfilter local privilege escalation vulnerability (CVE-2021-22555)
        • Vulnerability announcement | Windows Print Spooler zero-day vulnerability (CVE-2021-34527)
        • Vulnerability announcement | Windows print spooler remote code execution vulnerability (CVE-2021-1675)
        • Vulnerability announcement | Windows HTTP protocol stack remote code execution vulnerability (CVE-2021-31166)
        • Vulnerability announcement | Critical Windows vulnerabilities (CVE-2021-24074 and CVE-2021-24078)
        • Vulnerability announcement | Linux sudo permission vulnerability (CVE-2021-3156)
        • Vulnerability announcement | Windows TCP/IP remote code execution vulnerability (CVE-2020-16898)
        • Vulnerability announcement | Linux kernel vulnerability (CVE-2020-14386)
        • Vulnerability announcement | Zero-day vulnerabilities in VM escape
        • Vulnerability announcement | Windows SMBv3 remote code execution vulnerability (CVE-2020-0796)
        • Vulnerability announcement | Windows CryptoAPI spoofing vulnerability (CVE-2020-0601)
    • Product Introduction
      • What is ECS?
      • Benefits
      • Scenarios
      • Regions and zones
      • Terms
      • Limits
      • Usage notes
    • Pricing
      • Billing overview
      • Billing items
        • Instance types
        • Images
        • Elastic Block Storage devices
        • Public bandwidth
        • Snapshots
      • Billing methods
        • Billing method overview
        • Subscription
        • Pay-as-you-go
        • No Fees for Stopped Instances (VPC-Connected)
        • Preemptible instances
        • Reserved instances
        • Savings plans
        • Storage capacity units
      • Change the billing method
        • Change the billing method of an instance from pay-as-you-go to subscription
        • Change the billing method of an instance from subscription to pay-as-you-go
        • Change the billing method for network usage
        • Change the billing method of a disk
      • Renew instances
        • Renewal overview
        • Manually renew an instance
        • Enable auto-renewal for an instance
        • View the auto-renewal status
        • Disable auto-renewal
        • Downgrade the configurations of an instance during renewal
      • View consumption details
      • Best practices for cost management
      • Billing FAQ
    • Quick Start
      • Overview
      • Create and manage an ECS instance by using the ECS console (express version)
      • Create an instance in the ECS console (detailed version)
        • Quick start for Linux instances
        • Quick start for Windows instances
      • Create and manage an ECS instance by using CLI commands
      • Create and manage an ECS instance by using SDKs
    • Instance
      • Overview
      • Instance lifecycle
      • Instance families
      • Instance type families
        • General-purpose instance families
        • Compute-optimized instance families
        • Memory optimized instance families
          • Memory-optimized instance families
          • Configure the usage mode of persistent memory
          • Deploy Redis applications on re6p instances
        • Big data instance families
        • Instance families with local SSDs
        • Instance families with high clock speeds
        • Security-enhanced instance family
          • Security-enhanced instance families
          • Create security-enhanced instances
          • Trusted feature for security-enhanced instances
            • Overview
            • Use the trusted feature of security-enhanced instances
          • Build an SGX encrypted computing environment
        • Compute optimized type family with GPU
          • GPU-accelerated compute-optimized instance families
          • Overview of heterogeneous computing services
          • Manually uninstall the GPU driver
          • Install a NVIDIA GRID driver on a GPU-accelerated Linux instance
          • Install NVIDIA GRID drivers on vgn6i or vgn5i Linux instances
          • Use AIACC-Training
        • Compute optimized type family with FPGA
          • Overview
          • Create an f1 instance
          • Create an f3 instance
        • ECS Bare Metal Instance types
          • Overview
          • Create an ECS bare metal instance
          • Install SGX
        • Super Computing Cluster instance type family
          • Overview
          • Create an SCC instance
        • Burstable instance types
          • Overview
          • Benefits
          • CPU credit change examples
          • Billing
          • Create a burstable instance
          • Switch the performance mode of a burstable instance
          • Monitor burstable instances
          • View bills of a burstable instance
        • Shared instance families
        • Retired instance types
        • Instance families that do not support advanced VPC features
      • Instance purchasing options
        • Subscription
        • Pay-as-you-go
        • Preemptible instances
          • Overview
          • Create a preemptible instance
          • View bills of a preemptible instance
          • Query the interruption events of preemptible instances
          • Stop a preemptible instance
        • Reserved Instances
          • Overview
          • Match between reserved instances and pay-as-you-go instances
          • Purchase reserved instances
          • Split a reserved instance
          • Merge reserved instances
          • Modify a reserved instance
          • View the usage details of a reserved instance
          • View normalization factors
          • View matched pay-as-you-go instances
          • Edit the tags of a reserved instance
        • Savings plans
          • Overview
          • Purchase and apply savings plans
        • Dedicated hosts
        • Resource assurances
          • Overview of Resource Assurance
          • Elasticity assurances
            • Overview of Elasticity Assurance
            • Purchase an elasticity assurance
            • View elasticity assurances
          • Capacity reservations
            • Overview of Immediate Capacity Reservation
            • Purchase an immediate capacity reservation
            • View capacity reservations
            • Release an immediate capacity reservation
          • Use a private pool
        • Switch billing method
          • Change the billing method of an instance from pay-as-you-go to subscription
          • Change the billing method of instances from subscription to pay-as-you-go
      • Create an instance
        • Creation method overview
        • Create an instance by using the wizard
        • Create an ECS instance by using a custom image
        • Purchase an ECS instance of the same configuration
        • Create an instance by using a launch template
        • Instructions for purchase
      • Connect to instances
        • Connection methods
        • Connect to an instance by using VNC
          • Connect to a Linux instance by using password authentication
          • Connect to a Windows instance by using password authentication
        • Connect to an instance by using third-party client tools
          • Connect to a Linux instance by using an SSH key pair
          • Connect to a Linux instance by using a password
          • Connect to a Windows instance by using a username and password
          • Connect to a Linux instance from a mobile device
          • Connect to a Windows instance from a mobile device
      • Manage instance status
        • Start ECS instances
        • Stop an instance
        • Hibernate an instance
        • Restart an instance
        • Release an instance
      • Manage instance attributes
        • View instance information
        • Modify the properties of an instance
        • Customize CPU options
          • Customize and view CPU options
          • CPU options of general purpose instance families
          • CPU options of compute optimized instance families
          • CPU options of memory optimized instance families
          • CPU options of instance families with high clock speeds
          • CPU options of instance families with local SSDs
        • Modify instance maintenance attributes
        • Reset the logon password of an instance
        • Change the logon password of an instance by connecting to the instance
        • Enable or disable release protection for ECS instances
        • Edit the tags of an instance
      • Manage instance configurations
        • Send remote commands
        • Manage instance metadata
          • Overview of ECS instance metadata
          • Instance metadata items
          • View instance metadata
          • Use instance identities
        • Manage instance user data
          • Overview of ECS instance user data
          • Manage the user data of Linux instances
          • Manage the user data of Windows instances
        • Build a confidential computing environment by using Enclave
        • Manage software on Linux instances
          • Add a software repository
          • Search for software packages
          • Install software packages
          • Update software
        • Configure time
          • Alibaba Cloud NTP server
          • Configure the NTP service for Windows instances
          • Configure chrony for Linux instances (Alibaba Cloud Linux 2)
          • Configure chrony for Linux instances (CentOS 7)
          • Configure the NTP service for ECS instances that run CentOS 6
      • Renew Subscription instances
        • Renewal overview
        • Manually renew an instance
        • Enable auto-renewal
        • Downgrade instance configurations during renewal
      • Change configurations
        • Overview of instance upgrade and downgrade
        • Instance families that support instance type changes
        • Change instance types
          • Upgrade the instance types of subscription instances
          • Downgrade the instance types of subscription instances
          • Change the instance type of a pay-as-you-go instance
        • Modify bandwidth configurations
          • Modify the bandwidth configurations of subscription instances
          • Modify the bandwidth configurations of pay-as-you-go instances
          • Change the billing method for network usage
          • Modify the bandwidth of an EIP
        • Downgrade instance configurations during renewal
      • Instance FAQ
    • Images
      • Image overview
      • Select an image
      • Find an image
      • Public image
        • Overview
        • Release notes
        • Known issues
      • Alibaba Cloud Linux 3
        • Overview
        • Release notes
        • Use images
          • Use Alibaba Cloud Linux 3 images in an on-premises environment
          • Use YUM to perform security updates
        • Kernel Live Patching
          • Overview
          • Operations related to kernel live patches
      • Alibaba Cloud Linux 2
        • Overview
        • Release notes
        • Use images
          • Use Alibaba Cloud Linux 2 images in an on-premises environment
          • Install and enable curl of a later version
        • Security
          • Subscribe to announcements for Alibaba Cloud Linux 2 CVEs
          • Use YUM to perform security updates
        • Kernel Live Patching supported by Alibaba Cloud Linux 2
          • Overview of Kernel Live Patching
          • Operations related to kernel live patches
        • Compatibility
          • Statistical status change of anonymous pages in the /proc/meminfo file
        • Features and interfaces supported by Alibaba Cloud Linux 2
          • Features and interfaces supported by Alibaba Cloud Linux 2
          • Memcg Exstat feature
          • Memcg global minimum watermark rating
          • Memcg QoS feature of the cgroup v1 interface
          • Memcg backend asynchronous reclaim
          • TCP-RT configurations
          • Change the TCP TIME-WAIT timeout period
          • Enable the cgroup writeback feature
          • Configure the weight-based throttling feature of blk-iocost
          • Enhance the monitoring of block I/O throttling
          • Use the JBD2 optimization interface
          • Create a hard link across project quotas
          • Track I/O latency
          • Detect I/O hangs of file systems and block layers
          • Enable the PSI feature for cgroup v1
          • Enhance the visibility of container resources
        • Known issues in Alibaba Cloud Linux 2
        • Knowledge base
        • FAQ
      • Custom image
        • Overview
        • Create custom image
          • Create a custom image from a snapshot
          • Create a custom image from an instance
          • Create a custom image by using Packer
          • Create and import an on-premises image by using Packer
          • Use OOS to create a custom image
        • Import images
          • Image import procedure
          • Use the image compliance tool
          • Instructions for importing images
          • Install cloud-init
          • Install the virtio driver
          • Customize Linux images
          • Convert the image file format
          • Import custom images
        • Update a custom image
        • Copy custom images
        • Share or unshare custom images
        • Export a custom image
        • Modify a custom image
        • Edit the tags of a custom image
        • Delete a custom image
      • Community images
        • Overview
        • Publish a community image
        • Search for a community image
        • Use a community image
        • Unpublish a community image
      • Alibaba Cloud Marketplace images
      • Change the operating system
      • End of support for operating systems
      • FAQ
        • Image FAQ
        • Manually update virtio drivers of Windows instances
        • Compatibility of AMD instances
        • Common image formats
        • Install GRUB on a Linux server
        • Change the CentOS 6 source address
        • Security updates after the end of support and maintenance for Ubuntu 16.04 LTS
        • Manage Windows Server Semi-Annual Channel images and instances
    • Block Storage
      • Block Storage overview
        • Block Storage overview
        • Cloud disks
        • ESSDs
        • Local disks
        • Triplicate storage
      • Cloud disks
        • Create a cloud disk
          • Create a disk
          • Create a disk from a snapshot
        • Attach a data disk
        • Format a data disk
          • Format a data disk for a Linux instance
          • Partition and format a data disk on a Windows instance
          • Partition and format a data disk larger than 2 TiB in size
          • Create a file system on a raw data disk
        • Replace the operating systems of instances
          • Replace the operating system of an instance by using a public image
          • Replace the operating system of an instance by using a non-public image
        • Reinitialize a cloud disk
          • Re-initialize a system disk
          • Re-initialize a data disk
        • Roll back a disk by using a snapshot
        • Change the category of a disk
        • Modify the performance levels of ESSDs
        • View the monitoring data of a disk
        • Query the serial number of a disk
        • Change the billing methods of a disk
        • Detach or attach a system disk
        • Edit the tags of a disk
        • Detach a data disk
        • Release a disk
      • Encrypt a disk
        • Encryption overview
        • Encrypt a system disk
        • Encrypt a data disk
      • Resize cloud disks
        • Overview
        • Resize disks online for Linux instances
        • Resize disks offline for Linux instances
        • Resize disks online for Windows instances
        • Resize disks offline for Windows instances
        • Update Red Hat virtio drivers of Windows instances
      • Performance
        • EBS performance
        • Storage I/O performance
        • Test the performance of Elastic Block Storage devices
        • Test the IOPS performance of an ESSD
      • Dedicated block storage clusters
        • What is Dedicated Block Storage Cluster?
        • Billing
        • Create a cluster
        • Create a cloud disk in a dedicated block storage cluster
      • Storage capacity units
        • Overview
        • Usage rules
        • Create an SCU
      • Elastic Block Storage FAQ
    • Snapshots
      • Snapshot overview
      • Local snapshots
      • Incremental snapshots
      • Use snapshots
        • Activate ECS Snapshot
        • Create a snapshot for a disk
        • Create a local snapshot
        • Enable or disable the instant access feature
        • Copy a snapshot
        • Roll back a disk by using a snapshot
        • Create a custom image from a snapshot
        • Reduce snapshot fees
        • View the snapshot size
        • Delete a snapshot
      • Use instance snapshots
        • Create snapshots for multiple disks together by creating an instance snapshot
        • Roll back disks by using an instance snapshot
        • Enable the application-consistent snapshot feature
        • Best practices for creating an application-consistent snapshot of a Linux instance on which MySQL is deployed
      • Automatic snapshot policies
        • Overview
        • Create an automatic snapshot policy
        • Apply or disable an automatic snapshot policy
        • Delete automatic snapshots while releasing a disk
        • Modify an automatic snapshot policy
        • Delete an automatic snapshot policy
      • Edit the tags of a snapshot
      • Edit the tags of an automatic snapshot policy
      • Snapshot FAQ
    • Security
      • Best practices for security
      • Security groups
        • Overview
        • Managed security groups
        • Security groups for different use cases
        • Typical applications of commonly used ports
        • Manage security groups
        • Create a security group
        • Add security group rules
        • Add an ECS instance to a security group
        • Replace security groups of an ECS instance
        • Manage security groups
          • Query security groups
          • Modify a security group
          • Clone a security group
          • Remove an instance from a security group
          • Edit the tags of a security group
          • Delete security groups
        • Manage security group rules
          • Overview
          • Query security group rules
          • Modify security group rules
          • Restore security group rules
          • Export security group rules
          • Import security group rules
          • Delete a security group rule
      • Key pairs
        • Overview
        • Use an SSH key pair
          • Create an SSH key pair
          • Import an SSH key pair
          • Bind an SSH key pair to an instance
          • Unbind an SSH key pair
          • Delete an SSH key pair
          • View public key information
          • Add or replace an SSH key pair
      • Manage identities and permissions
        • RAM overview
        • Control access to resources by using RAM users
        • Use RAM roles to control resource access
          • Overview
          • Bind an instance RAM role
          • Manage an instance RAM role
            • Replace an instance RAM role
            • Unbind a RAM role
            • Obtain a temporary authorization token
            • Authorize a RAM user to manage an instance RAM role
          • Use an instance RAM role by calling API operations
        • Example system policies
      • Anti-DDoS Basic
      • Basic security services
      • Security FAQ
    • Network
      • Network types
      • Instance IP addresses
        • IP addresses of ECS instances within VPCs
        • IP addresses of ECS instances within the classic network
        • EIPs
        • IPv6 addresses
        • Internal network
      • Manage IPv4 addresses
        • Modify a private IP address
        • Change the public IP address of an ECS instance
        • Convert the public IP address of a VPC-type instance to an EIP
        • Convert the public IP address of a classic network-type instance to an Elastic IP address
      • Configure IPv6 addresses
        • Configure an IPv6 address for a Windows instance
          • Use IPv6 addresses of Windows instances
          • Step 1: Create an IPv6 VPC
          • Step 2: Assign an IPv6 address
          • Step 3: Enable IPv6 public bandwidth
          • Step 4: Configure an IPv6 address
          • Step 5: Add IPv6 security group rules
          • Step 6: Test network connectivity
          • Step 7: (Optional) Delete an IPv6 address
        • Configure an IPv6 address for a Linux instance
          • Use IPv6 addresses of Linux instances
          • Step 1: Create an IPv6 VPC
          • Step 2: Assign an IPv6 address
          • Step 3: Enable IPv6 public bandwidth
          • Step 4: Configure an IPv6 address
          • Step 5: Add IPv6 security group rules
          • Step 6: Test network connectivity
          • Step 7: (Optional) Delete an IPv6 address
      • View IP addresses
      • Elastic Network Interfaces
        • Overview
        • Create an ENI
        • Bind an ENI
        • Configure an ENI
        • Assign secondary private IP addresses
        • Unassign secondary private IP addresses
        • Modify an ENI
        • Edit the tags of an ENI
        • Unbind an ENI
        • Delete an ENI
      • Prefix lists
        • Grant RAM users permissions on prefix lists
      • Change the VPC of an ECS instance
      • Configure NIC multi-queue
      • Set the MTU size of an NIC
      • Migrate an ECS instance from the classic network to a VPC (new version)
        • Migrate an ECS instance from the classic network to a VPC
      • Connect a classic network to a VPC
      • Network FAQ
    • Elasticity
      • Launch template
        • Launch templates
        • Create a launch template
        • Create a template version
        • Delete a launch template and a specified template version
      • Create a scaling group based on an existing ECS instance
      • Deployment sets
        • Overview
        • Create a deployment set
        • Create an ECS instance in a deployment set
        • Change the deployment set of an instance
        • Manage deployment sets
        • Delete a deployment set
      • Resource Orchestration Service
        • ROS overview
      • Manage auto provisioning groups
        • Auto Provisioning overview
        • Manage the service linked role for Auto Provisioning
        • Create an auto provisioning group
        • Configure an auto provisioning group
        • View an auto provisioning group
        • Modify an auto provisioning group
        • Delete auto provisioning groups
      • Terraform
        • Overview
        • Install and configure Terraform
        • Create an ECS instance
        • Batch create ECS instances
        • Deploy a web cluster
    • Tag & Resource
      • Tags
        • Overview
        • Best practices for tag design
        • Manage tags
          • Create or bind a tag
          • Delete or unbind a tag
          • Use OOS to modify a tag value of multiple resources
          • Use OOS to bind tags to multiple ECS resources at a time
        • Manage resources based on tags
          • Create a resource with a specific tag
          • Use the tag editor to manage resource tags
          • Search for resources by tag
          • Control access to resources by using tags
          • Implement automatic resource monitoring by group based on tags
      • Resource
        • Resource groups
        • Privileges & Quotas
          • Overview
          • View and increase instance quotas
          • View and increase resource quotas
          • View privileges
          • View the records of quota increase requests
        • Resource Overview
          • View the instance overview
          • View the storage overview
          • View the encrypted resource overview
        • Search for resources
    • Deployment & Maintenance
      • Cloud assistant
        • Overview
        • Manage servers that are not provided by Alibaba Cloud
        • Configure the Cloud Assistant client
          • Install the Cloud Assistant client
          • Update or disable updates for the Cloud Assistant client
          • Start or stop the Cloud Assistant client
        • Use the cloud assistant
          • Immediate execution
          • Create a command
          • Run a command
          • Upload files to ECS instances
          • Query execution results and fix common problems
          • Modify a command
          • Clone a command
          • Stop a command
          • Delete a command
          • Use Cloud Assistant plug-ins
        • DevOps practice
          • Use Java to manage ECS instances without logon
          • Use Python to manage ECS instances without logging on to the instances
          • Change the logon password of an instance
          • View instance configurations
          • Modify instance configurations and install applications
          • Implement permission control by using RAM
          • Run Cloud Assistant commands as a regular user
          • Use OOS Parameter Store in Cloud Assistant commands
        • Cron expression
      • OOS
        • Overview
        • Start multiple ECS instances by using OOS
        • View the information of a public template
      • System events
        • Overview
        • System events on ECS instances equipped with local disks
          • Overview of system events on ECS instances equipped with local disks
          • Redeploy an instance equipped with local disks
          • Isolate damaged local disks in the ECS console
          • Isolate damaged local disks by using Alibaba Cloud CLI
        • Automatic recovery events of instances
        • System event of instance creation failure
        • Modify the scheduled restart time
        • Subscribe to event notifications
        • View system events
        • View system event history
      • Event notifications
        • Overview
        • Set event notifications
        • Event notification list
          • Instance event notification
          • EBS event notifications
          • Snapshot event notifications
      • Monitor the instance status
        • Query monitoring information of an instance
        • Configure alerts for an ECS instance
        • View the health status of an instance
      • Troubleshoot operation errors
        • System logs and screenshots
        • Automatic diagnosis system
      • Manage licenses
        • Create a license management task
        • View the resources associated with a license
        • Manage license management tasks
      • O&M and monitoring FAQ
    • Migration Service
      • Migrate servers
      • Databases in ECS instances
        • Migrate data between user-created databases on ECS instances
        • Migrate a local user-created database to ECS
    • Best Practices
      • Quick reference
      • Best practices for instance type selection
      • Provisioning methods of ECS instances
      • Batch configure sequential names or hostnames for multiple instances
      • Use auto provisioning group-related API operations to create multiple ECS instances at the same time
      • Security
        • Best practices of the security group (part 1)
        • Best practices for ECS security groups (part 2)
        • Best practices of the security group (part 3)
        • Best practices for ECS data security
        • Make ECS instances more secure
        • Configure interconnection of instances in the classic network
        • Modify the default remote port of an instance
        • Use logs in Windows instances
        • Best practices for Windows Firewall with Advanced Security
        • Network isolation within a basic security group
        • Security group quintuple rules
        • Use Cloud Firewall to control access between ECS instances
        • Revoke the authorization for internal network communication between ECS instances in different accounts through the API
        • Authorize internal network communication between ECS instances in different accounts by using the API
        • Enable or disable SELinux
      • Data recovery
        • Handle low disk space on Windows instances
        • Restore data in Linux instances
        • Restore data in Windows instances
      • Configuration preference
        • Transfer ECS instance data
        • Increase data throughput through read/write splitting
        • Change the preferred language of a Windows instance
        • Boot a Linux ECS instance into single user mode
      • Block Storage
        • Resize partitions and file systems of Linux system disks
        • Resize partitions and file systems of Linux data disks
        • Use LVs for Linux
          • Resize an LV
          • Create an LV
        • Create a RAID array for a Linux instance
        • Modify the UUID of a disk
        • Configure UUIDs in the fstab file to automatically attach data disks
        • Shrink a disk
      • Best practices for tag design
      • Best practices for using custom images
        • Packer: machine images as code
          • Alicloud Image Builder parameters used to implement DevOps
          • Benefits of using Packer to create custom images
        • Create and import a custom image
        • Overview
        • Use OOS to update custom images
      • Monitor
        • Use Cloud Monitor to monitor ECS instances
      • Use RAM roles to access other Alibaba Cloud services
      • FaaS instances best practices
        • Use RTL Compiler on an f1 instance
        • Use OpenCL on an f1 instance
        • Use OpenCL on an f3 instance
        • Use the RTL design on an f3 instance
        • faascmd tool
          • faascmd overview
          • Install faascmd
          • Configure faascmd
          • Use faascmd
          • faascmd FAQ
      • Automate O&M based on status change events of ECS instances
      • Disaster recovery solutions
      • Deploy a highly available architecture
        • Deploy a highly available architecture
        • Replicate ECS instances
        • Configure an SLB instance
        • Migrate user-created databases to RDS instances
      • Use Analytics Zoo to implement bfloat16 acceleration for AI applications on ECS instances
    • Tutorials
      • Quick start
      • Summary of website building methods
      • Build a software development environment
        • Deploy LNMP
          • Use ROS to deploy an LNMP environment
          • Manually deploy an LNMP environment on an ECS instance that runs Alibaba Cloud Linux 2
          • Manually build an LNMP environment in CentOS 8
          • Manually build an LNMP environment on a CentOS 7 instance
          • Manually build an LNMP environment on a CentOS 6 instance
        • Configure Java Web
          • Overview of deployment methods
          • Manually deploy a Java web environment on an ECS instance that runs Alibaba Cloud Linux 2
          • Manually deploy a Java web environment on an instance that runs CentOS 7
          • Use Cloud Toolkit to deploy a Java web environment
        • Deploy the Node.js environment
          • Deploy a Node.js environment on an ECS instance that runs Alibaba Cloud Linux 2
          • Deploy a Node.js environment on a CentOS 7 instance
        • Build a LAMP environment
        • Deploy Windows by replacing the image
      • Build a website
        • Build a WordPress blog platform
          • Manually build a WordPress website on an ECS instance that runs CentOS 8
          • Manually build a WordPress website on a CentOS 7 ECS instance
          • Manually build a WordPress website on a Windows ECS instance
          • Create a WordPress environment by using ROS
        • Build a Drupal website
          • Build a Drupal website based on an Alibaba Cloud Marketplace image
          • Manually build a Drupal website
        • Build multiple Web sites
          • Build multiple websites on a Windows instance
          • Build multiple websites in CentOS 7
        • Build a Magento e-commerce website on ECS
        • Build the Ghost blogging platform
      • Build an application
        • Build an FTP site on an ECS instance
          • Manually build an FTP site on a CentOS 7 instance
          • Manually build an FTP site on a CentOS 8 instance
          • Manually build an FTP site on a Windows instance
        • Install and use GitLab
        • Build Microsoft SharePoint 2016 on an ECS instance
        • Install SharePoint 2016
        • Deploy and use Docker
          • Deploy and use Docker on CentOS 8 instances
          • Deploy and use Docker on Alibaba Cloud Linux 3 instances
          • Deploy and use Docker on Alibaba Cloud Linux 2 instances
        • Deploy databases based on ECS
          • Database overview
          • Manually deploy a MySQL database on an ECS instance that runs Alibaba Cloud Linux 2
          • Manually deploy a MySQL database on an ECS instance that runs CentOS 8
          • Manually deploy a MySQL database on an instance running CentOS 7
          • Manually deploy a MySQL database on Windows
          • Manage user-created databases on ECS instances
        • Build a primary/secondary PostgreSQL architecture
        • Deploy RabbitMQ
        • Deploy and use SVN
          • Overview
          • Deploy SVN by using svnserve
          • Deploy SVN over HTTP
          • Use SVN
      • Use the Vim editor
    • API Reference
      • Introduction
      • List of operations by function
      • Quick start
      • Getting started
        • Overview
        • Request syntax
        • Common parameters
        • Request signatures
        • Responses
      • Authentication rules
      • Instances
        • RunInstances
        • CreateInstance
        • DescribeInstances
        • DeleteInstances
        • StartInstance
        • RebootInstance
        • StopInstance
        • StartInstances
        • RebootInstances
        • StopInstances
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      • Appendix
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        • ISO 8601 Time Format
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    • CLI Sample
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    • FAQ & Troubleshooting
 
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    Custom yum source, NTP service, and DNS service

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    Custom yum source, NTP service, and DNS service

    Last Updated: Sep 02, 2021

    This topic describes how to use instance custom data to configure the yum source, NTP service, and DNS service when you create a Linux instance.

    Background information

    For more information, see Example 1: Use user-data scripts to customize YUM sources and the NTP and DNS services.

    Next: Release notes

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