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    Elastic Compute Service

    • Product Introduction
      • What is ECS?
      • Benefits of ECS
      • Scenarios
      • Instance type families
      • Instances
        • What are ECS instances?
        • ECS instance life cycle
        • Preemptible instances
        • ECS Bare Metal Instance and Super Computing Clusters
        • Launch templates
        • Burstable instances
          • Basic concepts
          • t5 standard instances
          • t5 unlimited instances
          • Manage t5 instances
      • Network and security
        • Network types
        • Intranet
        • IP addresses of a classic network-connected ECS instance
        • IP addresses of VPC-Connected ECS instances
        • Multi-queue for NICs
        • Elastic network interfaces
        • Deployment set
        • Security groups
        • SSH key pairs
        • Anti-DDoS Basic
      • Block storage
        • What is block storage?
        • Storage parameters and performance test
        • Cloud disks and Shared Block Storage
        • Triplicate technology
        • ECS disk encryption
        • Local disks
      • Images
      • Snapshots
        • Snapshot overview
        • How are snapshots related
        • ECS Snapshot 2.0
      • Cloud assistant
    • Pricing
      • Pricing overview
      • Billing method comparison
      • Subscription
      • Pay-As-You-Go
      • No fees for stopped VPC instances
      • Renew instances
        • Renewal overview
        • Manual renewal
        • Auto-renewal
        • Renew for configuration downgrade
      • Switch from Pay-As-You-Go to Subscription billing
      • Switch the billing method from Subscription to Pay-As-You-Go
      • Billing of Internet bandwidth
    • Quick Start for Entry-Level Users
      • Overview
      • Preparations
      • Step 1. Select the configuration
      • Step 2. Create an instance
      • Step 3: Connect to an instance
      • Step 4. Format a data disk
        • Format a data disk for Windows instances
        • Format a data disk for Linux instance
      • Step 5: Release an instance
    • Quick Start for Enterprise-Level Users
      • Overview
      • Select configuration
      • Plan networks
      • Estimate costs
      • Configure a security group
      • Automatic snapshot policies
      • Image migration
      • Implement high availability by using Server Load Balancer
    • User Guide
      • Quick reference
      • Instructions on using ECS
      • Limits
      • Manage privileges and quotas
      • Instances
        • Create an instance
          • Create an instance by using the wizard
          • Create an instance of the same configuration
          • Create an instance from a custom image
          • Create a ga1 instance
          • Create a compute optimized instance with GPUs
          • Create a preemptible instance
          • Create an f1 instance
          • Create an f3 instance
          • Create an EBM instance
          • Create an SCC server instance
        • Launch template
          • Create a template
          • Create a template version
          • Use a launch template
          • Delete a template or version
        • Check instance information
        • Change configurations
          • Overview of configuration changes
          • Upgrade configurations of Subscription instances
          • Downgrade configurations of Subscription instances
          • Downgrade bandwidth configurations of Subscription instances
          • Change configurations of Pay-As-You-Go instances
          • Instance type families that support instance type upgrades
          • Change EIP Internet bandwidth
        • Change the operating system
        • Reset an instance password
        • Start or stop an instance
        • Restart an instance
        • Restart an instance
        • Enable instance release protection
        • Release an instance
        • Change IP addresses
          • Change public IP address
          • Convert public IP address to EIP address
          • Change the private IP of an ECS instance
        • User-defined data and metadata
          • Metadata
          • User data
          • Instance identity
        • Instance RAM roles
          • What is the RAM role of an instance
          • Use the instance RAM role in the console
          • Use the instance RAM role by calling APIs
      • Connect to instances
        • Overview
        • Connect to an instance by using the Management Terminal
        • 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
        • Connect to an instance on a mobile device
      • Cloud disks
        • Create a cloud disk
        • Create a cloud disk from a snapshot
        • Attach a cloud disk
        • Partition and format data disk more than 2 TiB
        • Detach a cloud disk
        • Resize cloud disks
          • Overview
          • Increase system disk size
          • Windows - Resize a data disk
          • Linux - Resize a data disk
        • Reinitialize a cloud disk
        • Roll back a cloud disk
        • Convert billing methods of cloud disks
        • Replace the system disk (public image)
        • Replace the system disk (non-public image)
        • Monitor a cloud disk
        • Release a cloud disk
      • Snapshots
        • Create a snapshot
        • Create and delete an automatic snapshot policy
        • Apply automatic snapshot policies to disks
        • Delete automatic snapshots when releasing disks
        • Delete snapshots or automatic snapshot policies
        • View a snapshot chain
      • Images
        • Create custom image
          • Create a custom image by using a snapshot
          • Create a custom image by using an instance
        • Manage custom images
        • Copy images
        • Share images
        • Import images
          • Image compliance tool
          • Notes for importing images
          • Install cloud-init for Linux images
          • Install virtio driver
          • Customize Linux images
          • Convert image file format
          • Import custom images
        • Export custom images
        • Marketplace images
        • Open source tools
          • Create and import on-premises images by using Packer
          • Use Packer to create a custom image
        • Image release notes
          • Image release notes
          • Known issues
      • Security groups
        • Typical applications of security group rules
        • Scenarios
        • Default security group rules
        • Introduction to common ECS instance ports
        • Create a security group
        • Add security group rules
        • Add an instance to a security group
        • Remove an instance from a security group
        • Clone a security group
        • Delete a security group
        • View the security group list
        • Modify security group attributes
        • View the security group rules
        • Restore security group rules
        • Export security group rules
        • Import security group rules
        • Delete a security group rule
      • Deployment sets
        • Create deployment sets
        • Create an instance in the deployment set
        • Manage deployment sets
      • Key pairs
        • Create an SSH key pair
        • Import an SSH key pair
        • Attach or remove an SSH key pair
        • Delete an SSH key pair
      • Cloud assistant
        • Cloud assistant client
        • Create commands
        • Run commands
        • Query execution results and statuses
        • Manage commands
      • Elastic Network Interfaces
        • Attach an ENI when creating an instance
        • Create an ENI
        • Attach an ENI to an instance
        • Configure an ENI
        • Modify attributes of an ENI
        • Detach an ENI from an instance
        • Delete an ENI
      • Tags
        • Limits
        • Add a tag to resources
        • Delete a tag
        • Filter resources by tags
      • Monitoring
        • Monitoring
        • System events
        • Console output and screenshot
        • View instance health status
      • Cloud Migration tool for P2V and V2V
        • Cloud Migration tool for P2V and V2V
        • Migrate to Alibaba Cloud by using Cloud Migration tool
        • Cloud migration through VPC intranet
        • Windows GUI of Cloud Migration tool
        • CLI parameters
        • Cloud Migration tool FAQ
        • Troubleshooting
        • Feedback and support
      • Self-diagnostic system
    • Best Practices
      • Security
        • Best practices of the security group (part 1)
        • Best practices of the security group (part 2)
        • Best practices of the security group (part 3)
        • Best practices of ECS data security
        • How to configure instances to access each other in classic networks
        • Modify the default remote access port
        • Use logs in Windows instances
        • Overview and best practices of Windows Firewall with Advanced Security
        • Isolation of instances within a security group
        • Security group quintuple rules
      • Disaster recovery solutions
      • Automatically manage instances
      • Data recovery
        • How to restore the data that is deleted by mistake
        • Data restoration in Linux instances
        • Data restoration in Windows instances
      • Configuration preference
        • Transfer ECS instance data
        • Increase data throughput through read/write split
        • Time setting: NTP servers and other public services
        • Time setting: Synchronize NTP servers for Windows instances
        • Time setting: Synchronize NTP servers and change time zone for Linux instances
        • Configure language settings for multiple instances
      • Monitor
        • Use CloudMonitor to monitor ECS instances
      • User-defined data
        • User-defined yum sources, NTP services and DNS services
        • Create a new account with the root user privilege
      • GPU instances
        • Deploy an NGC on gn5 instances
        • Install a GRID driver on a gn5/gn5i/gn6v instance
      • FaaS instances best practices
        • Use RTL compiler on an f1 instance
        • Use OpenCL on an f1 instance
        • Best practices for OpenCL on an f3 instance
        • Best practices for RTL design on an f3 instance
        • faascmd tool
          • faascmd overview
          • Install faascmd
          • Configure faascmd
          • Use faascmd
          • FAQ
      • Access other Cloud Product APIs by the Instance RAM Role
      • Shrink disk
      • Terraform
        • What is Terraform?
        • Install and configure Terraform
        • Create an ECS instance
        • Create multiple ECS instances
        • Deploy a Web cluster
    • Tutorials
      • Build a WordPress website
      • Deploy LNMP
        • Build LNMP environment under CentOS 6
      • Configure Java Web
        • Deploy a Java Web project
      • Build a Magento website on ECS
      • Build an FTP site on an ECS instance
        • Build an FTP site on a Windows ECS instance
        • Build an FTP site on a Linux ECS instance
    • API Reference
      • Introduction
      • API overview
      • Quick start for ECS APIs
      • Getting started
        • How to make a request
        • Request structure
        • Common parameters
        • Digital signature
        • Response results
      • Authorization rules
      • Instances
        • RunInstances
        • CreateInstance
        • StartInstance
        • StopInstance
        • RebootInstance
        • DeleteInstance
        • AttachInstanceRamRole
        • DetachInstanceRamRole
        • DescribeInstanceStatus
        • DescribeInstances
        • DescribeInstanceVncUrl
        • DescribeUserdata
        • DescribeInstanceAutoRenewAttribute
        • DescribeInstanceRamRole
        • DescribeSpotPriceHistory
        • DescribeInstanceTypeFamilies
        • DescribeInstanceTypes
        • ModifyInstanceVpcAttribute
        • ModifyInstanceAttribute
        • ModifyInstanceVncPasswd
        • ModifyInstanceAutoReleaseTime
        • ModifyInstanceAutoRenewAttribute
        • ModifyInstanceChargeType
        • ModifyInstanceSpec
        • ModifyPrepayInstanceSpec
        • RenewInstance
        • ReactivateInstances
      • Launch templates
        • CreateLaunchTemplate
        • CreateLaunchTemplateVersion
        • DeleteLaunchTemplate
        • DeleteLaunchTemplateVersion
        • DescribeLaunchTemplates
        • DescribeLaunchTemplateVersions
        • ModifyLaunchTemplateDefaultVersion
      • Disk
        • CreateDisk
        • DeleteDisk
        • DescribeDisks
        • AttachDisk
        • DetachDisk
        • ModifyDiskChargeType
        • ModifyDiskAttribute
        • ReplaceSystemDisk
        • ReInitDisk
        • ResetDisk
        • ResizeDisk
      • Images
        • CreateImage
        • ImportImage
        • ExportImage
        • CopyImage
        • CancelCopyImage
        • DescribeImages
        • Deleteimage
        • DescribeImageSharePermission
        • ModifyImageAttribute
        • ModifyImageSharePermission
      • Snapshots
        • CreateSnapshot
        • CreateAutoSnapshotPolicy
        • ApplyAutoSnapshotPolicy
        • DeleteSnapshot
        • CancelAutoSnapshotPolicy
        • DeleteAutoSnapshotPolicy
        • DescribeAutoSnapshotPolicyEx
        • DescribeSnapshots
        • DescribeSnapshotLinks
        • ModifyAutoSnapshotPolicyEx
        • DescribeSnapshotPackage
        • DescribeSnapshotsUsage
      • Security groups
        • CreateSecurityGroup
        • AuthorizeSecurityGroup
        • AuthorizeSecurityGroupEgress
        • RevokeSecurityGroup
        • RevokeSecurityGroupEgress
        • JoinSecurityGroup
        • LeaveSecurityGroup
        • DeleteSecurityGroup
        • DescribeSecurityGroupAttribute
        • DescribeSecurityGroups
        • DescribeSecurityGroupReferences
        • ModifySecurityGroupAttribute
        • ModifySecurityGroupPolicy
        • ModifySecurityGroupRule
      • Deployment sets
        • CreateDeploymentSet
        • ModifyInstanceDeployment
        • ModifyDeploymentSetAttributes
        • DeleteDeploymentSet
        • DescribeDeploymentSets
      • SSH key pairs
        • CreateKeyPair
        • ImportKeyPair
        • AttachKeyPair
        • DetachKeyPair
        • DeleteKeyPairs
        • DescribeKeyPairs
      • Networks
        • AllocatePublicIpAddress
        • ConvertNatPublicIpToEip
        • AttachClassicLinkVpc
        • DetachClassicLinkVpc
        • DescribeBandwidthLimitation
        • DescribeClassicLinkInstances
        • ModifyInstanceNetworkSpec
      • Elastic network interfaces
        • CreateNetworkInterface
        • AttachNetworkInterface 
        • AssignPrivateIpAddresses
        • UnassignPrivateIpAddresses
        • DetachNetworkInterface
        • DeleteNetworkInterface
        • DescribeNetworkInterfaces
        • ModifyNetworkInterfaceAttribute
      • System event
        • DescribeInstanceHistoryEvents
        • CancelSimulatedSystemEvents
        • CreateSimulatedSystemEvents
        • DescribeDisksFullStatus
        • DescribeInstancesFullStatus
      • Operations and monitoring
        • DescribeEniMonitorData
        • DescribeDiskMonitorData
        • DescribeInstanceMonitorData
        • GetInstanceScreenshot
        • GetInstanceConsoleOutput
      • Cloud assistant
        • CreateCommand
        • InstallCloudAssistant
        • InvokeCommand
        • StopInvocation
        • DeleteCommand
        • DescribeCloudAssistantStatus
        • DescribeCommands
        • DescribeInvocations
        • DescribeInvocationResults
        • ModifyCommand
      • Tags
        • AddTags
        • RemoveTags
        • DescribeTags
      • Regions
        • DescribeRegions
        • DescribeZones
        • DescribeResourcesModification
        • DescribeAvailableResource
      • Others
        • CancelTask
        • DescribeTasks
        • DescribeTaskAttribute
        • DescribeAccountAttributes
      • Appendix
        • Error code table
        • Instance status table
        • Instance status chart
        • Basic cloud disk status table
        • Basic cloud disk status chart
        • Disk category
        • How to ensure idempotence
        • Why only ten entries are returned for query request by using APIs or SDK
        • API behavior for accounts with overdue payment
        • API behavior when an instance is locked for security reasons
        • ISO 8601 Time Format
        • API usage Specification
        • Update history
      • Data type
        • AccessPointSetType
        • AccessPointType
        • AccountType
        • AutoSnapshotPolicyType
        • AutoSnapshotExecutionStatusType
        • AvailableDiskCategoriesType
        • AvailableInstanceTypesType
        • Availableresourcecreationtype
        • AvailableResourcesType
        • BandwidthPackageItemType
        • BandwidthPackageSetType
        • DiskDeviceMapping
        • DiskItemType
        • DiskMonitorDataType
        • DiskSetType
        • EipAddressAssociateType
        • ImageType
        • InstanceAttributesType
        • InstanceMonitorDataType
        • InstanceRamRoleSetType
        • InstanceStatusItemType
        • InstanceStatusSetType
        • InstanceTypeFamilyItemType
        • InstanceTypeItemType
        • IpAddressSetType
        • IpRangeSetType
        • KeyPairItemType
        • KeyPairSetType
        • OperationLocksType
        • OperationProgressType
        • PermissionSetType
        • PermissionType
        • PublicIpAddressItemType
        • PublicIpAddressSetType
        • RegionType
        • RelatedItemType
        • ResourceTypeCountItem
        • SecurityGroupIdSetType
        • Securitygroupitemtype
        • SecurityGroupSetType
        • ShareGroupType
        • SnapshotLinkType
        • SnapshotType
        • TagSetItem
        • TaskType
        • VpcAttributesType
        • ZoneType
        • AssociatedPublicIp
        • Link
        • NetworkInterfaceSet
        • NetworkInterfaceType
        • PriceInfoType
        • PriceType
        • PrivateIpSet
        • ReferencingSecurityGroup
        • RulesType
        • SecurityGroupReference
        • SpotPriceType
    • SDK Reference
      • SDK reference
      • Install the new Java SDK
      • Samples of using ECS SDK
      • Use API to run ECS
        • Create an instance
        • Create multiple instances at a time
        • Manage instances
        • Release an instance
        • Renew an instance
        • Use APIs to manage preemptible instances
    • FAQ
      • Troubleshooting
      • Common issues
        • Instances
        • Block storage
        • Snapshot
        • Images
        • Security groups
        • Network
        • Others
      • O&M Issues For Linux
        • Services and applications
        • Best practices and tools
        • OS starting and booting
        • Remote logon (SSH)
        • Network issues
        • System configurations
      • O&M Issues For Windows
        • OS issues
          • System activation
          • Updates and Patches
        • Remote Desktop
          • Remote Access
        • Network issue
          • Windows firewall
        • Web service & database service
          • IIS
        • Virus attack
        • AD Domain Envrionment
          • Domain Configuration
    • General Reference
      • Guidelines for the use of documentation
        • Alibaba Cloud documentation
        • Instructions for open source documentation
          • Open-Source Documentation Code of Conduct
          • Editing Open-Source Documentation
      • Alibaba Cloud console
      • Regions and Zones
      • Service limits
      • Best practice of primary account security
      • Create an AccessKey
      • ICP Filing
      • Glossary
  • How to configure PPTP VPN service on ECS CentOS 6
  • How to configure OpenVPN in CentOS
  • Install and run VNC Server on a Linux instance
  • Automatic source updating tool for Linux ECS
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