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
        • Overview
        • Subscription
        • Pay-as-you-go
        • Economical mode
        • 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 billing details
      • Overdue payments
      • Best practices for cost optimization
      • 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 persistent memory usage
          • 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
          • Overview
          • 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 and vGPU-accelerated instance families
          • Overview of heterogeneous computing services
          • Install NVIDIA drivers
        • 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
        • 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
          • Resource reservation
            • Overview of Elasticity Assurance
            • Overview of Immediate Capacity Reservation
            • Purchase an elasticity assurance
            • Purchase an immediate capacity reservation
            • View and modify an elasticity assurance
            • View and modify a capacity reservation
            • Release an immediate capacity reservation
          • Private pools
            • View a private pool
            • Use a private pool to create instances
            • Configure a private pool for existing instances
        • Switch 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
      • 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 an instance
        • 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
        • 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
        • Replace UIO drivers with VFIO drivers
        • 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
        • SMC-R
      • 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
          • Overview
          • 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
          • Enable the CPU burst 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 ECS instance
          • Use Packer to create a custom image
          • Use Packer to create and import an on-premises image
          • 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 a custom image
        • 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
      • Image Builder
        • Overview
        • Commands supported by Image Builder
        • Create an image component
        • Create an image template
        • View and execute an image template
        • Delete an image component
        • Delete an image template
        • Best practices for Image Builder
      • 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
        • Elastic Block Storage devices
        • 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
          • Partition and format a data disk on 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 EBS devices
        • Test the IOPS performance of an ESSD
      • Dedicated block storage clusters
        • Overview
        • Billing
        • Create a dedicated block storage cluster
        • View the information of a dedicated block storage cluster
        • Create disks in a dedicated block storage cluster
      • Storage capacity units
        • Overview
        • Usage rules
        • Create an SCU
      • Elastic Block Storage FAQ
    • Snapshots
      • Snapshot overview
      • Local snapshot
      • 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 a disk by using an instance snapshot
        • Create application-consistent snapshots in the ECS console
        • Create application-consistent snapshots by using ECS SDK for Go
        • Best practices for creating an application-consistent snapshot of a Linux instance on which MySQL is deployed
        • Best practice of creating application-consistent snapshots for a Windows instance that has SQL Server 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 a security group
        • 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 an instance in the classic network into an EIP
      • 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
      • 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 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
        • Overview
        • 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
      • Instance troubleshooting
        • Automatic diagnosis system
        • ECS Network Connectivity Diagnostics
          • Diagnose network connectivity
          • Manage the service-linked role for ECS Network Connectivity Diagnostics
        • System logs and screenshots
      • System events
        • Overview
        • Response process of system events
          • View system events
          • Automatic recovery events of instances
          • System event of instance creation failure
        • System events and O&M process of 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
        • Manage settings related to system events
          • Modify instance maintenance attributes
          • Modify the scheduled restart time
          • Subscribe to system event notifications
      • Event notifications
        • Overview
        • Set event notifications
        • Send event notifications by using a DingTalk chatbot
        • Event notification list
          • Instance event notification
          • EBS event notifications
          • Snapshot event notifications
      • Instance issue identification and troubleshooting
        • Identify and troubleshoot instance issues
        • Query monitoring information of an instance
        • View the health status of an instance
        • Configure alerts for an ECS instance
        • View system event history
      • 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
          • Configure DNS resolution for Cloud Assistant
          • 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
          • Manage the service-linked role for Operation Content and Result Delivery
        • 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
          • Use RAM to implement permission control
          • Run Cloud Assistant commands as a regular user
          • Use OOS Parameter Store in Cloud Assistant commands
          • Run Cloud Assistant commands and restart ECS instances
        • Use the Operation Content and Result Delivery feature
        • Change the password of an instance online
        • Cron expression
      • OOS
        • Overview
        • Start multiple ECS instances by using OOS
        • View the information of a public template
      • 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
      • Best practices for heterogeneous computing services
      • Security
        • Best practices of the security group (part 1)
        • Best practices for ECS security groups (part 2)
        • Best practices for ECS security groups (part 3)
        • Best practices for ECS data security
        • Make ECS instances more secure
        • Configure interconnection of instances in the classic network
        • Modify the default port used by an instance to accept connections
        • 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 by using LVM
          • Use LVM to create a logical volume
        • 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
      • Set the boot mode of custom images to the UEFI mode by calling API operations
      • 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 CloudMonitor to monitor websites deployed on ECS instances
      • Use RAM roles to access other Alibaba Cloud services
      • Automate O&M based on status change events of ECS instances
      • Use the snapshot and image features to migrate instance data
      • 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 and bfloat16 to accelerate 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 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 the Windows application environment by replacing images
      • 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
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    View user data

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    View user data

    Last Updated: Aug 04, 2021

    This topic describes how to view existing user data of an instance.

    Background information

    For more information, see Manage the user data of Linux instances and Manage the user data of Windows instances.

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