Common Questions Overview

BCC BCC

  • API Reference
    • Appendix
    • Automatic Snapshot Policy Related Interfaces
      • Bind automatic snapshot policy
      • Create automatic snapshot policy
      • Delete automatic snapshot policy
      • Query details of automatic snapshot policy
      • Query the list of automatic snapshot policies
      • Unbind automatic snapshot policy
      • Update automatic snapshot policy
    • Cluster Management Related Interfaces
      • Create EHC Cluster
      • Delete EHC Cluster
      • EHC Cluster List
      • Modify EHC Cluster
    • Common Request Headers and Response Headers
    • Dedicated Cluster Related Interfaces
      • Canceling Dedicated Cluster Auto-Renewal
      • Create a dedicated cluster
      • Dedicated Cluster Renewal
      • Dedicated Cluster Tag Binding
      • Dedicated Cluster Tag Unbinding
      • Enabling Dedicated Cluster Auto-Renewal
      • Querying Dedicated Cluster Details
      • Querying Dedicated Cluster List
      • Resizing Dedicated Cluster
    • Deployment Group Related Interfaces
      • Adjust Deployment Group
      • Create Deployment Group
      • Delete Deployment Group
      • Get Deployment Group Details
      • Modify deployment group
      • Query the deployment group list
      • Remove Instance from Deployment Group
    • Disk Related Interfaces
      • Attach a CDS disk
      • Bind a tag to a disk
      • Cancel Auto-renewal
      • Create a CDS disk
      • Detach a CDS disk
      • Disk Expansion and Type Change
      • Enable auto-renewal
      • Get Purchasable Disk Information
      • Modify disk properties
      • Query CDS Price
      • Query disk details
      • Query the disk list
      • Release a CDS disk (new)
      • Release a CDS disk
      • Rename a disk
      • Renew a disk
      • Roll back disk data
      • Shift charge for disks
      • Unbind a tag from a disk
    • Error response
    • General Description
    • Image Related Interfaces
      • Bind a tag to an image
      • Cancel cross-region replication of custom images
      • Create a custom image
      • Delete a custom image
      • Import an image
      • Modify Custom Image Name
      • Query available public image based on instance specifications
      • Query image details
      • Query List of Users with Shared Image Access
      • Query OS information based on instance IDs in batch
      • Query the image list
      • Replicate a custom image across regions
      • Share a custom image
      • Unbind a tag from an image
      • Unshare a custom image
    • Instance Related Interfaces
      • Add an instance to a security group
      • Add IPv6
      • Batch Adding Secondary IP Addresses for Primary Network Interface Card
      • Batch Convert to Postpay
      • Batch Unsubscribe Prepaid Instances
      • Billing Change - Convert to Subscription
      • Bind a role
      • Bind a tag to an instance
      • Change the instance subnet
      • Change the instance VPC
      • Convert to prepay in batch
      • Create an instance (by specifying instance package specifications)
      • Create automatic renewal rules
      • Create instance
      • Delete automatic renewal rules
      • Delete secondary IP address from the primary network interface card in batch
      • Early Release of Prepaid Instances
      • Enter rescue mode
      • Exit rescue mode
      • Instance Resizing (By Specifying Instance Package Specification)
      • Modify instance attributes
      • Modify instance description
      • Modify instance hostname
      • Modify the instance password
      • Query Instance List by Instance ID
      • Query instance list
      • Query Multiple Instance Details
      • Query recycle bin instance list
      • Query resizing specifications
      • Query the custom data of the instance
      • Query the details of a specified instance
      • Query the list of BCC instances eligible for no charge for stopped instances
      • Query the VNC address of the instance
      • Reboot an instance
      • Reinstall an instance
      • Reinstall OS for Instances (Batch Reinstallation)
      • Release instances in batch
      • Release IPv6
      • Release Postpay Instances (Release via POST Request)
      • Release recycle bin instances
      • Remove an instance from a security group
      • Remove the relationship between an instance and its deployment group
      • Renew an instance
      • Resize instances in batches
      • Resuming Billing for BCC in Recycle Bin
      • Retrieve a list of instance roles
      • Retrieve network interface card information for an instance
      • Set Auto-release of Spot Instance EIP
      • Set Instance Deletion Protection
      • Setting Auto-Release for Postpay
      • Start an instance
      • Starting Instances (Batch Start)
      • Stop an instance
      • Stopping Instances (Batch Stop)
      • Unbind a role
      • Unbind a tag from an instance
    • Key Pair Related Interfaces
      • Bind a key pair
      • Change description of key pair
      • Create a key pair
      • Delete a key pair
      • Import a key pair
      • Query key pair details
      • Query the key pair list
      • Rename a key pair
      • Unbind a key pair
    • Maintenance platform APIs
      • Maintenance Records Related Interfaces
      • Maintenance Task Related Interfaces
      • Pre-authorization Related Interfaces
    • Other APIs
      • Query instance package price
      • Query instance package specifications (new)
      • Querying Availability Zones By Package Specification
    • Overview
    • Region and Availability Zone Related Interfaces
      • Query list of availability zones
      • Retrieve the Domain Name List API
    • Reserved Instance Related Interfaces
      • Accept Reserved Instance Transfer
      • Adjust reserved instance
      • Bind Tag to Reserved Instance
      • Create Auto-renewal Rule for Reserved Instance
      • Create reserved instances
      • Disable Auto-renewal Rule for Reserved Instance
      • Initiate Reserved Instance Transfer
      • Query Reserved Instance
      • Reject Reserved Instance Transfer
      • Renew reserved instances
      • Reserved Instance Inbound List
      • Reserved Instance Outbound List
      • Revoke Reserved Instance Transfer
      • Unbind Tag from Reserved Instance
    • Security Group Related Interfaces
      • Authorize security group rules
      • Create a security group
      • Delete a security group
      • Delete security group rules
      • Instance associating with security group
      • Query the security group list
      • Replace security group for instance
      • Revoke security group rules
      • Unbind security group from instance
      • Update security group rules
    • Service domain
    • Snapshot Related Interfaces
      • Bind a tag to a snapshot chain
      • Create a snapshot
      • Delete a snapshot
      • Query snapshot chain list
      • Query snapshot details
      • Query the snapshot list
      • Replicate a snapshot across regions
      • Unbind a tag from a snapshot chain
    • Spot Instance Related Interfaces
      • Cancel Spot Instance Order
      • Create spot instances
      • Query Spot Instance Packages
      • Query Spot Price
  • Cloud Assistant API and SDK Reference
    • Python SDK
      • Batch Retrieval of bsm-agent State within Instances
      • CaClient
      • Command Interface
      • Historical records
      • Initialization
      • Install SDK
      • Log API
  • Cloud Assistant API Reference
    • Batch Retrieve Instance BSM-Agent Status
    • Command Interface
    • Common Request and Response Headers
    • Error response
    • General Description
    • Historical records
    • Log API
    • Service domain
  • FAQs
    • Billing class
    • Common Questions Overview
    • Images
    • Instances
    • Network class
    • Performance
    • Reserved Instance
    • Security class
    • Snapshots
    • Storage class
    • Virtual machine operation and maintenance class
  • Fault handling
    • GPU Instance Downtime Troubleshooting
    • Linux Baidu Cloud Compute Entering Single User Mode to Reset Paasword Reports Error-Authentication token lock busy
    • Linux Baidu Cloud Compute Entering Single User Mode to Reset Paasword Reports Error-Authentication token manipulation error
    • Linux Baidu Cloud Compute Entering Single User Mode to Reset Root Paasword
    • Linux Baidu Cloud Compute Execution Yum Update Reports Dependency Conflict
    • Linux Baidu Cloud Compute Setting Login Method
    • Unable to Remotely Connect to Linux Instance
    • Unable to Remotely Connect to Windows Instance
    • Windows Server Cannot Ping
  • Function Release Records
  • Go-SDK
    • Automatic snapshot policy
    • Availability zone
    • Dedicated CDS Cluster
    • Deployment group
    • Disk
    • Elastic high-performance computing cluster
    • Image
    • Initialization
    • Instance
    • Key pair
    • Overview
    • Region
    • Reserved Instance
    • Security group
    • Snapshot
  • Java-SDK
    • Automatic snapshot policy
    • Availability zone
    • BCC instance
    • BccClient
    • Deployment group
    • Disk
    • Exception handling
    • Image
    • Install the SDK Package
    • Key pair
    • Log
    • Overview
    • Quick Start
    • Region
    • Reserved Instance
    • Security group
    • Snapshot
    • Version Change Records
  • Operation guide
    • Deployment group
      • Adjust Deployment Group for Existing Instances
      • Create BCC Instance within Deployment Group
      • Create Deployment Group
      • Delete Deployment Group
      • Modify Deployment Group Information
      • Overview of deployment policy
      • Remove BCC Instance from Deployment Group
    • Elastic high-performance computing cluster
      • Create Elastic High-performance Computing Cluster
      • Overview of elastic hyper-computing cluster
    • Image
      • Baidu AI Cloud Image Service Agreement
      • Create a custom image
      • Creating Linux Image Based on Local System
      • Cross-region image replication
      • Data and Personal Information Protection Statement
      • Delete a custom image
      • How to Set Network Adapter Multi-Queue Properties
      • Image List
      • Image Overview
      • Image Quick Guide
      • Import Custom Image
        • Checking Network Configuration
        • Checking Virtio Driver
        • Creating Instance Using Imported Custom Image
        • Detecting Image Using Image Detection Tool
        • Image format check
        • Image Format Conversion
        • Image Import Restrictions
        • Import Overview
        • Install cloudbase-init
        • Installing Virtio Driver
        • System Optimization Operations (Linux)
      • OS Official End of Maintenance Plan
      • Public Image Release Records
        • 2023 BCC Public Image Release Records
        • 2023 EBC Public Image Release Records
        • 2024 BCC Public Image Release Records
        • 2024 EBC Public Image Release Records
        • 2025 BCC Public Image Release Records
      • Reinstall OS
      • Share a custom image
      • Windows Image Creation
    • Instance
      • Batch Sequential Naming
      • Change Availability Zone
      • Change Charge Type
        • Postpay to Subscription
        • Subscription to Postpay
      • Change Instance Configuration
      • Create instance
        • Create Instance Navigation
        • Create Instance via Custom Image
        • Create Instance via Purchase Page
        • Create Instances with Launch Templates
        • Purchase Instance with Same Configuration
      • Cross-AZ migration
      • Functional restrictions
      • Instance Overview
      • Modify instance name
      • Postpay Instance No Charge for Stopped Instances
      • Reboot an instance
      • Reclaim instance
      • Release an instance
      • Renew an instance
      • Reset password
      • Set IAM Role
      • Sign in to instance
        • Log in to Linux Instance
          • Connect to Baidu Cloud Compute Using SmartTerm
          • Connect to Linux instance using user name-password certification
          • Log in to Linux Instance Using SSH Key on Linux or Mac
          • Log in to Linux Instance Using SSH Key via SecureCRT
          • Remotely sign in to Baidu Cloud Computer via VNC
          • Sign in to Linux instances via SSH key in Putty
          • Sign in to Linux instances via SSH key in Xshell
        • Log in to Windows Instance
          • Remotely sign in to Baidu Cloud Computer via VNC
          • Sign in to Windows instance via remote desktop
        • Login Method Overview
      • Spot instances
        • Create spot instances
        • What Is Spot Instance
      • Start an instance
      • Stop an instance
        • Elastic Baremetal Instance and Elastic High-performance Computing Cluster Instance Halt Capability Configuration Instructions
        • Stop an instance
      • View instance
    • Launch Template
    • Network
      • Bind and Unbind EIP
      • Change Internal IP
      • Change subnet
      • Change VPC
      • Configure Dual Network Interface Card External Network Access for Windows Baidu Cloud Compute
      • Configure IPv6 Address
      • Elastic network interface
        • Configure elastic network interface
        • Create elastic network interface
        • Elastic Network Interface Overview
        • Mount elastic network interface
      • Elastic RDMA Network Interface
        • Elastic RDMA Network Interface Overview
        • Instructions for use
    • Operations and Monitor
      • Cloud Assistant
        • Cloud Assistant Overview
        • Cloud Assistant Usage Notes
        • Create command
        • FAQs
        • Historical records
        • Identity and access management
        • Instance list
        • My commands
        • Public commands
        • Upload files
      • Evacuate Faulty Instance
      • Instance Health Check
      • Maintenance Platform
        • Maintenance Platform Access Instructions
        • Maintenance Platform Overview
        • Maintenance Records Query
        • Maintenance Task
        • Pre-authorization Rule Settings
      • Monitor and Alarm
      • Self-Service Diagnostic Tool
        • Application Performance Diagnostic Tool Btune
        • Self-Service Diagnostic Tool Overview
      • Use Rescue Mode
    • Reserved Instance
      • FAQ
      • Introduction to reserved instance
      • Renew reserved instances
      • Reserved Instance AZ Change
      • Reserved Instance Cross-Account Transfer
      • Reserved Instance EHC Cluster Change
      • Reserved Instance Purchase
    • Resource Assessment
    • Security
      • Identity and access management
        • Identity and access management
        • Price Permission Control
      • Key pair
        • Bind SSH Key Pair
        • Create SSH Key Pair
        • Delete SSH Key Pair
        • SSH Key Pair Overview
        • Unbind SSH Key Pair
      • Security group
        • Associate with security group
        • Copy security group
        • Create a security group
        • Delete a security group
        • Disassociate security group
        • Edit security group
        • Security group overview
    • Server Migration
      • Migration Operation Steps
      • Server Migration Operation Process
      • Server Migration Overview
    • Snapshot
      • Automatic snapshot
      • Create disk snapshot
      • Delete a snapshot
      • Rollback snapshot
      • Snapshot Overview
    • Storage
      • Overview
      • System disk expansion
    • Tag Management
      • Configure Tag
      • Tag Management Overview
      • View Resource Bill Based on Tag
  • Operations Reference
    • Linux Operations Reference
      • Baidu Cloud Compute Delete or Modify File Prompting File System Read-Only
      • CentOS 7 Install Docker
      • Configure Linux Analysis Tools atop and kdump
      • Enter Single User Mode
        • CentOS 6 Enter Single User
        • CentOS 7 Enter Single User
        • CentOS 8 Enter Single User
        • FreeBSD 11 Single User Modify Password SOP
        • opensuse42
          • 3 Enter Single User
        • Ubuntu Enter Single User
        • OpenSUSE 42_3 Enter Single User
      • How to Enable or Disable Intel CPU Vulnerability Patch in Linux Image
      • How to Handle System Boot Exception Caused by fstab Configuration
      • How to Resolve Unable to Log in to Linux BCC Instance via SSH
      • Linux BCC Instance Insufficient Space Issue Resolution
      • Linux BCC Instance Lagging Issue
      • Linux Format and Mount Instance Mount Local Disk
      • Linux Modify Default Remote Connection Port
      • Linux Server CPU and Memory Full Issue Troubleshooting
      • Linux System Install Graphical Interface and Remote Connection
        • CentOS
          • CentOS 8 Install Graphical Interface and Connect Using VNC Viewer
          • CentOS6
            • 5 Install KDE Desktop Graphical Interface and Connect Using VNC Viewer
          • CentOS7
            • 2 Install GNOME Graphical Interface and Connect Using VNC Viewer
          • Install GNOME GUI on CentOS 7_2 and Connect via VNC Viewer
          • Install GUI on CentOS 8 and Connect via VNC Viewer
          • Install KDE Desktop GUI on CentOS 6_5 and Connect via VNC Viewer
        • opensuse
          • opensuse42
            • 3 Install Graphical Interface and Connect Using VNC Viewer
          • Install GUI on OpenSUSE 42_3 and Connect via VNC Viewer
        • Ubuntu
          • Ubuntu14
            • 04 Install Graphical Interface and Connect Using VNC Viewer
          • Ubuntu18
            • 04 Install Graphical Interface and Connect Using VNC Viewer
          • Install GUI on Ubuntu 14_04 and Connect via VNC Viewer
          • Install GUI on Ubuntu 18_04 and Connect via VNC Viewer
      • Performance test
        • Linux CPU Performance Test
        • Linux Disk IO Performance Test
        • Linux Network Performance Test
      • Ubunut16_04 Subscription Extended Security Maintenance (ESM)
    • Server configuration
      • Debian 9 Software Source Configuration Update
      • Linux PIP Configuration with Baidu Source
      • Online Instance with OFED Driver Kernel Replacement Solution
      • Windows PIP Configuration with Baidu Source
    • Windows Operations Reference
      • Blue Screen Crash General Handling Method
      • Configure Multi-User Access to Windows Server
      • Connecting to Windows Server Using Xshell
      • Data Disk Not Displayed After Server Reboot
      • Desktop and Application Color Turning Black Handling Method
      • Local Playback of Sound from Windows Server
      • Performance Resources
      • Remote Connection to Windows Unable to Use Clipboard
      • System Activation
      • System Black Screen Handling Method
      • Tutorial on Disabling Windows Firewall
      • Windows Allow Single User to Connect Multiple Sessions Method
      • Windows automatic update-related configuration
      • Windows BCC Instance Achieve SID Uniqueness After Joining Domain
      • Windows BCC Instance Lagging Issue
      • Windows CPU and Memory Full Troubleshooting Steps
      • Windows Delete Hardware Reserved Memory
      • Windows Instance Disk Space Insufficient Cleanup Tutorial
      • Windows Modify Default Remote Connection Port
      • Windows Quick Login
      • Windows Server Disable IE Enhanced Security Configuration Tutorial
      • Windows Set Only Allow Local & Fixed IP Access Remote Port
      • Windows Virtual Machine Auto Login Failure Handling Method
  • Product Description
    • Application scenarios
    • Correspondence Between Original and New Model Names
    • Discontinued Instance Specifications
    • Models and Their Regions
    • Product advantages
    • Usage restrictions
    • What Is Baidu Cloud Compute BCC
    • Instance specification
  • Product pricing
    • Billing overview
    • Charge type
      • Postpay Pricing
      • Reserved instances
      • Subscription (Prepay) Pricing
      • Reserved Instance
    • Refund policy
  • Python-SDK
    • BccClient
    • Disk
    • Image
    • Initialization
    • Install the SDK Package
    • Instance
    • Overview
    • Region
    • Reserved Instance
    • Security group
    • Snapshot
    • Version Change Records
  • Python3-SDK
    • Automatic snapshot policy
    • BccClient
    • Dedicated CDS Cluster
    • Deployment group
    • Disk
    • Image
    • Initialization
    • Install the SDK Package
    • Instance
    • Key pair
    • Overview
    • Region
    • Reserved Instance
    • Security group
    • Snapshot
  • Quick Start
    • Baidu Cloud Compute Security Description
    • Quick Configuration of Linux Baidu Cloud Compute
    • Quick Configuration of Windows Baidu Cloud Compute
  • Resources
    • Baidu AI Cloud Image Service Agreement
    • Image Quick Guide
  • Service Level Agreement (SLA)
    • Baidu Intelligent Cloud Baidu Cloud Compute Trusted Cloud
    • BCC Service Level Agreement SLA (V3_0)
  • Tag Service API Reference
    • Appendix 1
    • Domain name
    • General Description
    • Interface List
      • Create tag
      • Delete tag
      • Tag List
      • View resources bound to a tag
    • Introduction
  • Transfer
    • Site Offline Migration Solution
    • Site Smooth Migration Solution
  • Typical Practices
    • Connecting to Windows Server Using Xshell
    • Environment Setup
      • Manual Deployment of SQL Server 2008 R2 Express Edition
      • One-Click Setup for Linux Palworld Server
      • One-Click Setup for Windows Palworld Server
      • Set Up FTP Service on Linux
      • Setting Up Baota on Linux
      • Setting Up Baota on Windows
      • Tutorial on Setting Up IIS and FTP on Windows
      • Typical Practice for Setting Up Access VPN
      • Installing MySQL 8_0 Using Yum on CentOS 7 yum
    • Set Up FTP Service on Linux
    • Tag Management Practice
    • Tutorial on Disabling IE Enhanced Security Configuration on Windows Server 2008
    • Tutorial on Disabling Windows Firewall
    • Website Building Tutorial
      • Building a Website Using IIS Service on Windows 2008 and Windows 2012
      • Deploy SSL Certificate on Baidu Cloud Compute - Apache
      • Deploy SSL Certificate on Baidu Cloud Compute - IIS
      • Deploy SSL Certificate on Baidu Cloud Compute - Nginx
      • Deploy SSL Certificate on Baidu Cloud Compute - Tomcat
      • Installing and Configuring Apache Environment on Windows
      • Installing and Configuring Nginx Environment on Windows
      • CentOS-7_2 LNMP Environment Deployment
      • Deploy LAMP Environment on CentOS-7_2
  • Video Zone
    • Fault handling
    • Operation guide
      • Basic Functions
      • Environment Setup
      • Network Related
      • Operations Reference
      • Paasword Function
    • Operation guide
    • Product introduction
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BCC BCC

  • API Reference
    • Appendix
    • Automatic Snapshot Policy Related Interfaces
      • Bind automatic snapshot policy
      • Create automatic snapshot policy
      • Delete automatic snapshot policy
      • Query details of automatic snapshot policy
      • Query the list of automatic snapshot policies
      • Unbind automatic snapshot policy
      • Update automatic snapshot policy
    • Cluster Management Related Interfaces
      • Create EHC Cluster
      • Delete EHC Cluster
      • EHC Cluster List
      • Modify EHC Cluster
    • Common Request Headers and Response Headers
    • Dedicated Cluster Related Interfaces
      • Canceling Dedicated Cluster Auto-Renewal
      • Create a dedicated cluster
      • Dedicated Cluster Renewal
      • Dedicated Cluster Tag Binding
      • Dedicated Cluster Tag Unbinding
      • Enabling Dedicated Cluster Auto-Renewal
      • Querying Dedicated Cluster Details
      • Querying Dedicated Cluster List
      • Resizing Dedicated Cluster
    • Deployment Group Related Interfaces
      • Adjust Deployment Group
      • Create Deployment Group
      • Delete Deployment Group
      • Get Deployment Group Details
      • Modify deployment group
      • Query the deployment group list
      • Remove Instance from Deployment Group
    • Disk Related Interfaces
      • Attach a CDS disk
      • Bind a tag to a disk
      • Cancel Auto-renewal
      • Create a CDS disk
      • Detach a CDS disk
      • Disk Expansion and Type Change
      • Enable auto-renewal
      • Get Purchasable Disk Information
      • Modify disk properties
      • Query CDS Price
      • Query disk details
      • Query the disk list
      • Release a CDS disk (new)
      • Release a CDS disk
      • Rename a disk
      • Renew a disk
      • Roll back disk data
      • Shift charge for disks
      • Unbind a tag from a disk
    • Error response
    • General Description
    • Image Related Interfaces
      • Bind a tag to an image
      • Cancel cross-region replication of custom images
      • Create a custom image
      • Delete a custom image
      • Import an image
      • Modify Custom Image Name
      • Query available public image based on instance specifications
      • Query image details
      • Query List of Users with Shared Image Access
      • Query OS information based on instance IDs in batch
      • Query the image list
      • Replicate a custom image across regions
      • Share a custom image
      • Unbind a tag from an image
      • Unshare a custom image
    • Instance Related Interfaces
      • Add an instance to a security group
      • Add IPv6
      • Batch Adding Secondary IP Addresses for Primary Network Interface Card
      • Batch Convert to Postpay
      • Batch Unsubscribe Prepaid Instances
      • Billing Change - Convert to Subscription
      • Bind a role
      • Bind a tag to an instance
      • Change the instance subnet
      • Change the instance VPC
      • Convert to prepay in batch
      • Create an instance (by specifying instance package specifications)
      • Create automatic renewal rules
      • Create instance
      • Delete automatic renewal rules
      • Delete secondary IP address from the primary network interface card in batch
      • Early Release of Prepaid Instances
      • Enter rescue mode
      • Exit rescue mode
      • Instance Resizing (By Specifying Instance Package Specification)
      • Modify instance attributes
      • Modify instance description
      • Modify instance hostname
      • Modify the instance password
      • Query Instance List by Instance ID
      • Query instance list
      • Query Multiple Instance Details
      • Query recycle bin instance list
      • Query resizing specifications
      • Query the custom data of the instance
      • Query the details of a specified instance
      • Query the list of BCC instances eligible for no charge for stopped instances
      • Query the VNC address of the instance
      • Reboot an instance
      • Reinstall an instance
      • Reinstall OS for Instances (Batch Reinstallation)
      • Release instances in batch
      • Release IPv6
      • Release Postpay Instances (Release via POST Request)
      • Release recycle bin instances
      • Remove an instance from a security group
      • Remove the relationship between an instance and its deployment group
      • Renew an instance
      • Resize instances in batches
      • Resuming Billing for BCC in Recycle Bin
      • Retrieve a list of instance roles
      • Retrieve network interface card information for an instance
      • Set Auto-release of Spot Instance EIP
      • Set Instance Deletion Protection
      • Setting Auto-Release for Postpay
      • Start an instance
      • Starting Instances (Batch Start)
      • Stop an instance
      • Stopping Instances (Batch Stop)
      • Unbind a role
      • Unbind a tag from an instance
    • Key Pair Related Interfaces
      • Bind a key pair
      • Change description of key pair
      • Create a key pair
      • Delete a key pair
      • Import a key pair
      • Query key pair details
      • Query the key pair list
      • Rename a key pair
      • Unbind a key pair
    • Maintenance platform APIs
      • Maintenance Records Related Interfaces
      • Maintenance Task Related Interfaces
      • Pre-authorization Related Interfaces
    • Other APIs
      • Query instance package price
      • Query instance package specifications (new)
      • Querying Availability Zones By Package Specification
    • Overview
    • Region and Availability Zone Related Interfaces
      • Query list of availability zones
      • Retrieve the Domain Name List API
    • Reserved Instance Related Interfaces
      • Accept Reserved Instance Transfer
      • Adjust reserved instance
      • Bind Tag to Reserved Instance
      • Create Auto-renewal Rule for Reserved Instance
      • Create reserved instances
      • Disable Auto-renewal Rule for Reserved Instance
      • Initiate Reserved Instance Transfer
      • Query Reserved Instance
      • Reject Reserved Instance Transfer
      • Renew reserved instances
      • Reserved Instance Inbound List
      • Reserved Instance Outbound List
      • Revoke Reserved Instance Transfer
      • Unbind Tag from Reserved Instance
    • Security Group Related Interfaces
      • Authorize security group rules
      • Create a security group
      • Delete a security group
      • Delete security group rules
      • Instance associating with security group
      • Query the security group list
      • Replace security group for instance
      • Revoke security group rules
      • Unbind security group from instance
      • Update security group rules
    • Service domain
    • Snapshot Related Interfaces
      • Bind a tag to a snapshot chain
      • Create a snapshot
      • Delete a snapshot
      • Query snapshot chain list
      • Query snapshot details
      • Query the snapshot list
      • Replicate a snapshot across regions
      • Unbind a tag from a snapshot chain
    • Spot Instance Related Interfaces
      • Cancel Spot Instance Order
      • Create spot instances
      • Query Spot Instance Packages
      • Query Spot Price
  • Cloud Assistant API and SDK Reference
    • Python SDK
      • Batch Retrieval of bsm-agent State within Instances
      • CaClient
      • Command Interface
      • Historical records
      • Initialization
      • Install SDK
      • Log API
  • Cloud Assistant API Reference
    • Batch Retrieve Instance BSM-Agent Status
    • Command Interface
    • Common Request and Response Headers
    • Error response
    • General Description
    • Historical records
    • Log API
    • Service domain
  • FAQs
    • Billing class
    • Common Questions Overview
    • Images
    • Instances
    • Network class
    • Performance
    • Reserved Instance
    • Security class
    • Snapshots
    • Storage class
    • Virtual machine operation and maintenance class
  • Fault handling
    • GPU Instance Downtime Troubleshooting
    • Linux Baidu Cloud Compute Entering Single User Mode to Reset Paasword Reports Error-Authentication token lock busy
    • Linux Baidu Cloud Compute Entering Single User Mode to Reset Paasword Reports Error-Authentication token manipulation error
    • Linux Baidu Cloud Compute Entering Single User Mode to Reset Root Paasword
    • Linux Baidu Cloud Compute Execution Yum Update Reports Dependency Conflict
    • Linux Baidu Cloud Compute Setting Login Method
    • Unable to Remotely Connect to Linux Instance
    • Unable to Remotely Connect to Windows Instance
    • Windows Server Cannot Ping
  • Function Release Records
  • Go-SDK
    • Automatic snapshot policy
    • Availability zone
    • Dedicated CDS Cluster
    • Deployment group
    • Disk
    • Elastic high-performance computing cluster
    • Image
    • Initialization
    • Instance
    • Key pair
    • Overview
    • Region
    • Reserved Instance
    • Security group
    • Snapshot
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      • Image List
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        • Checking Network Configuration
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      • Reinstall OS
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        • opensuse42
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        • CentOS
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        • opensuse
          • opensuse42
            • 3 Install Graphical Interface and Connect Using VNC Viewer
          • Install GUI on OpenSUSE 42_3 and Connect via VNC Viewer
        • Ubuntu
          • Ubuntu14
            • 04 Install Graphical Interface and Connect Using VNC Viewer
          • Ubuntu18
            • 04 Install Graphical Interface and Connect Using VNC Viewer
          • Install GUI on Ubuntu 14_04 and Connect via VNC Viewer
          • Install GUI on Ubuntu 18_04 and Connect via VNC Viewer
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      • System Activation
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      • Tutorial on Disabling Windows Firewall
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      • Windows BCC Instance Achieve SID Uniqueness After Joining Domain
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  • Product Description
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  • Tag Service API Reference
    • Appendix 1
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      • Set Up FTP Service on Linux
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      • Tutorial on Setting Up IIS and FTP on Windows
      • Typical Practice for Setting Up Access VPN
      • Installing MySQL 8_0 Using Yum on CentOS 7 yum
    • Set Up FTP Service on Linux
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      • Deploy SSL Certificate on Baidu Cloud Compute - Tomcat
      • Installing and Configuring Apache Environment on Windows
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      • Deploy LAMP Environment on CentOS-7_2
  • Video Zone
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Table of contents on this page
  • Instances
  • Network class
  • Storage class
  • Images
  • Snapshots
  • Billing class
  • Performance
  • Security class
  • Virtual machine operation and maintenance class

Common Questions Overview

Updated at：2025-10-20

Instances

  • [What is BCC?](BCC/FAQs/Instances.md#What is BCC?)
  • [Can BCC dynamically adjust CPU and memory?](BCC/FAQs/Instances.md#Can BCC dynamically adjust CPU and memory?)
  • [Does BCC provide a database by default?](BCC/FAQs/Instances.md#Does BCC provide a database by default?)
  • [Does BCC support Oracle databases?](BCC/FAQs/Instances.md#Does BCC support Oracle databases?)
  • [Can BCC be used as the load balancer?](BCC/FAQs/Instances.md#Can BCC be used as the load balancer?)
  • [Can BCC be purchased in a specified region?](BCC/FAQs/Instances.md#Can BCC be purchased in a specified region?)
  • [How to change OS/upgrade the configuration?](BCC/FAQs/Instances.md#How to change OS/Upgrade configuration)
  • [If the configuration selected during BCC creation is incorrect, can it be modified after creation?](BCC/FAQs/Instances.md#If the configuration selected during BCC creation is incorrect, can it be modified after creation?)
  • [How to do if I cannot find a BCC instance in the console?](BCC/FAQs/Instances.md#How to do if I cannot find a BCC instance in the console?)
  • [How to check the resource usage of BCC?](BCC/FAQs/Instances.md#How to check BCC resource usage?)
  • [Can BCC send SMS or email alerts if it detects abnormal CPU or disk operation?](BCC/FAQs/Instances.md#Can BCC send SMS or email alerts if it detects abnormal CPU or disk operation?)

Network class

  • [What is the MTU value supported by BCC?](BCC/FAQs/Network class.md#What is the MTU value supported by BCC?)
  • [How to create a BCC with a public IP?](BCC/FAQs/Network class.md#How to create a BCC with a public IP?)
  • [Is the IP address assigned to users by BCC unique?](BCC/FAQs/Network class.md#Is the IP address assigned to users by BCC unique?)
  • [Is the external IP address fixed?](BCC/FAQs/Network class.md#Is the external IP address fixed?)
  • [What is the difference between a public IP and a private IP for BCC?](BCC/FAQs/Network class.md#What is the difference between a BCC public IP and a private IP?)
  • [How to access from Internet if there is no public IP?](BCC/FAQs/Network class.md#How to access from the Internet if there is no public IP?)
  • [How to upgrade public network bandwidth?](BCC/FAQs/Network class.md#How to upgrade the public network bandwidth?)
  • [Can the Public IP be released?](BCC/FAQs/Network class.md#Can the public IP be released?)
  • [How to bind dual public IPs to BCC?](BCC/FAQs/Network class.md#How to bind dual public IPs to BCC?)
  • [What is the regional network line?](BCC/FAQs/Network class.md#What is the regional network line?)
  • [Is the bandwidth exclusive?](BCC/FAQs/Network class.md#Is the bandwidth dedicated?)
  • [Can users manually change the server IP address after BCC creation? Is it possible to bind the server to my own public IP by myself?](BCC/FAQs/Network class.md#Can users manually change the server IP address after BCC creation Is it possible to bind the server to my own public IP by myself)
  • [If an Internet service such as Apache or MySQL is deployed on BCC, how to bind the listener port to an IP address to publish the service?](BCC/FAQs/Network class.md#If an Internet service such as Apache or MySQL is deployed on BCC, how to bind the listener port to an IP address to publish the service?)
  • [How can BCC instances under different accounts achieve intranet intercommunication?](BCC/FAQs/Network class.md#How can BCC instances under different accounts achieve intranet intercommunication?)
  • [Why are some ports not working properly?](BCC/FAQs/Network class.md#Why can't some ports be used normally?)
  • [What are the reasons for increased network latency/intermittent packet loss?](BCC/FAQs/Network class.md#Network latency increases/What are the reasons for intermittent packet loss)
  • [How to do if there is packet loss when pinging a website?](BCC/FAQs/Network class.md#How to do if there is packet loss when pinging a website?)
  • [Why is website browsing abnormal on a windows cloud server?](BCC/FAQs/Network class.md#Why is website browsing abnormal on a Windows server)

Storage class

  • [How to reinitialize a disk?](BCC/FAQs/Storage class.md#How to reinitialize a disk?)
  • [How to use a hard disk after it is loaded on a Linux cloud server?](BCC/FAQs/Storage class.md#How to use a hard disk after it is loaded on a Linux cloud server?)
  • [How to use CDS on BCC?](BCC/FAQs/Storage class.md#How to use CDS on BCC?)
  • [Can multiple CDSs be attached on BCC?](BCC/FAQs/Storage class.md#Can multiple CDSs be attached on BCC?)
  • [Can multiple CDSs be attached on CDS?](BCC/FAQs/Storage class.md#Can multiple CDSs be attached on CDS?)
  • [When creating a Windows BCC, the Cloud Disk Server (CDS) was selected, but why can't this CDS disk be seen after signing in to BCC?](BCC/FAQs/Storage class.md#When creating a Windows BCC, the Cloud Disk Server (CDS) was selected, but why can't this CDS disk be seen after signing in to BCC)
  • [How to synchronize data between different hard disks?](BCC/FAQs/Storage class.md#How to synchronize data between different hard disks?)
  • [Can BCC instances mount Baidu AI Cloud Object Storage (BOS)?](BCC/FAQs/Storage class.md#Can BCC Instances Mount Baidu AI Cloud Object Storage (BOS)?)
  • [After attaching a newly purchased disk on BCC in the console, it is not visible in the virtual machine](BCC/FAQs/Storage class.md#After attaching a newly purchased disk on BCC in the console, it is not visible in the virtual machine)

Images

  • [Are there restrictions on package size when Baidu Cloud Compute is created with custom images?](BCC/FAQs/Images.md#Are there restrictions on package size when Baidu Cloud Compute is created with custom images?)
  • [Does BCC currently support uploading user-built images?](BCC/FAQs/Images.md#Does BCC currently support uploading user-built images?)
  • [Can the system be modified for BCC created through a custom image?](BCC/FAQs/Images.md#Can the system of a BCC created through a custom image be modified?)

Snapshots

  • [Why should the snapshot function be used?](BCC/FAQs/Snapshots.md#Why should the snapshot function be used?)
  • [Will BCC be disabled when creating a snapshot?](BCC/FAQs/Snapshots.md#Will BCC be disabled when creating a snapshot?)
  • [Will custom images and snapshots still exist after BCC is released?](BCC/FAQs/Snapshots.md#Will custom images and snapshots still exist after BCC is released?)

Billing class

  • [How to make payment for purchasing BCC?](BCC/FAQs/Billing class.md#How to make payment for purchasing BCC?)
  • [How to request an invoice?](BCC/FAQs/Billing class.md#How to request an invoice?)
  • [Does the system provide expiration reminders?](BCC/FAQs/Billing class.md#Does the system provide expiration reminders?)
  • [Can postpaid BCC be changed to a monthly prepaid?](BCC/FAQs/Billing class.md#Can BCC be changed from postpay to prepay on a monthly basis?)
  • [How does the fee change after the resource configuration is modified?](BCC/FAQs/Billing class.md#How does the fee change after the resource configuration is modified?)
  • [If resources are suspended due to debt, will the system automatically resume after recharging?](BCC/FAQs/Billing class.md#If resources are suspended due to debt, will the system automatically resume after recharging?)
  • [Do custom images still exist after instance release?](BCC/FAQs/Billing class.md#Do custom images still exist after instance release?)
  • [Is it possible to switch the billing mode?](BCC/FAQs/Billing class.md#Is it possible to switch the billing mode?)

Performance

  • [How to do if the server CPU is fully utilized?](BCC/FAQs/Performance.md#How to do if the server CPU is fully utilized?)
  • [How to do if the server bandwidth is fully utilized?](BCC/FAQs/Performance.md#How to do if the server bandwidth is fully utilized?)

Security class

  • [How to do if the password is lost?](BCC/FAQs/Security class.md#How to do if the password is lost?)
  • [What if the password reset fails? are there any password rules?](BCC/FAQs/Security class.md#What if the password reset fails? are there any password rules?)
  • [Why can't I reset the password for my BCC?](BCC/FAQs/Security class.md#Why can't I reset my BCC password)
  • [Why doesn't the new password take effect after resetting the password for a Windows virtual machine?](BCC/FAQs/Security class.md#Why doesn't the new password take effect after resetting the password for a Windows virtual machine)
  • [How to do if the server is invaded since the server password is set too simply, and antivirus measures are ineffective?](BCC/FAQs/Security class.md#How to do if the server is invaded since the server password is set too simply, and antivirus measures are ineffective?)
  • [How to add IP addresses to sign in to the allow list?](BCC/FAQs/Security class.md#How to add IP addresses to sign in to the allow list?)
  • [Is the "Network Level Authentication" function required for signing in to Windows BCC?](BCC/FAQs/Security class.md#Is the Network Level Authentication function required for signing in to Windows BCC)
  • [A new security group is created, and the original instance is associated, but there is still one in the default security group. How to deal with it?](BCC/FAQs/Security class.md#A new Security Group is created, and the original Instance is associated, but it still exists in the default Security Group. How to deal with it)
  • [How to prevent DDOS attacks and CC attacks?](BCC/FAQs/Security class.md#How to prevent DDOS attacks and CC attacks)
  • [How to deal with the IP attacked by DDOS?](BCC/FAQs/Security class.md#How to deal with the IP attacked by DDOS?)
  • [Is it possible to enable SSH access between several BCC instances without requiring a password?](BCC/FAQs/Security class.md#Is it possible to enable SSH access between several BCC instances without requiring a password?)
  • [How to prevent servers and websites from being attacked by hackers?](BCC/FAQs/Security class.md#How to prevent servers and websites from being attacked by hackers?)
  • [How to fix Dirty COW (CVE-2016-5195) Linux vulnerability?](BCC/FAQs/Security class.md#How to Fix Dirty COW (CVE-2016-5195) Linux Vulnerability?)

Virtual machine operation and maintenance class

  • [How to disable the IE Enhanced Security Configuration in Windows Server 2008?](BCC/FAQs/Virtual machine operation and maintenance class.md#How to disable the IE Enhanced Security Configuration in Windows Server 2008?)
  • [How to check the default DNS in Linux?](BCC/FAQs/Virtual machine operation and maintenance class.md#How to check the default DNS in Linux?)
  • [How to install .NET Framework 3.5 in Windows Server 2012? ](BCC/FAQs/Virtual machine operation and maintenance class.md#How to install .net framework 3.5 on Windows 2012)
  • [What is the purpose of the cloudbase-init account? Can it be deleted? What are the impacts after deletion?](BCC/FAQs/Virtual machine operation and maintenance class.md#What is the purpose of the cloudbase-init account Can it be deleted What is the impact after deletion)
  • [How to synchronize the system clock of virtual machines?](BCC/FAQs/Virtual machine operation and maintenance class.md#How to synchronize and set the system clock of a virtual machine?)
  • [What are the usage rules for the iptables service on Baidu Cloud Compute (BCC) running CentOS 6?](BCC/FAQs/Virtual machine operation and maintenance class.md#What are the usage rules for the iptables service on Baidu Cloud Compute (BCC) running CentOS 6)
  • [What are the usage rules for the firewalld service on Baidu Cloud Compute (BCC) running CentOS 7?](BCC/FAQs/Virtual machine operation and maintenance class.md#What are the usage rules for the firewalld service on Baidu Cloud Compute (BCC) running CentOS 7)
  • [Overview of the Ufw service on Baidu Cloud Compute (BCC) running Ubuntu/Debian systems](BCC/FAQs/Virtual machine operation and maintenance class.md#Baidu Cloud Compute (BCC) Ubuntu/Overview of the Ufw service on Debian systems)
  • [How to configure IIS and FTP on BCC Windows Server?](BCC/FAQs/Virtual machine operation and maintenance class.md#How to configure IIS and FTP on BCC Windows Server)
  • [How to do if FTP uploads are frequently interrupted?](BCC/FAQs/Virtual machine operation and maintenance class.md#How to do if FTP uploads frequently interrupt?)

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