You can select an image based on the following attributes:
Location (please refer to Regions and Availability Zones)
Operating system
Architecture (32-bit or 64-bit)
Based on different sources, Tencent Cloud offers the following image types: Public images, Custom images, Shared images, and Service Marketplace images.
Public image
Public images are provided by Tencent Cloud, containing basic operating systems and initialization components. They are available to all users. You can view the supported public image versions in the Public Image List documentation.
Features:
Operating System: Choose freely (e.g., based on Linux or Windows systems) and update regularly.
Software support: Integrated with software packages provided by Tencent Cloud, and supports multiple versions of common software such as Java, MySQL, SQL Server, Python, Ruby, Tomcat, along with full permissions.
Security: The provided operating systems are fully compliant and use official, genuine versions. Created by Tencent Cloud's internal Professional security operations team, they undergo rigorous testing and can optionally include built-in Tencent Cloud security components.
Service Support:
Public image type | Service support |
Tencent Cloud home-grown images | Tencent Cloud's self-developed image TencentOS Server is a Linux operating system specifically designed for cloud scenarios, with technical support and maintenance provided by Tencent Cloud. |
Third-party images | For technical support regarding third-party open-source images, please contact the open-source community or the original operating system manufacturer. Tencent Cloud will provide technical assistance in investigating the issue. When using third-party commercial images on Tencent Cloud, the Tencent Cloud engineering team will assist you in resolving issues related to the operating system. If necessary, the Tencent Cloud team will contact the original manufacturer for help and support. |
Official End-of-Life (EOL) Plans for Operating Systems
The maintenance period for public images provided by Tencent Cloud will be consistent with the official maintenance period announced by the image platform. You can view the EOL plans for different operating system platforms and their respective image versions through Official EOL Plans for Operating Systems.
Public Image Update Records
For images that are not discontinued by the official image platform, Tencent Cloud will periodically update public images based on the updates, patches, and fixes released by the official image platform. You can view the image update status through Public Image Update Records.
Marketplace image
Service Marketplace Images are images provided by third-party service providers. After being reviewed by Tencent Cloud, they are released for use by all users.
Service Marketplace Image Features:
Operating System: Choose freely (e.g., based on Linux or Windows systems) and update regularly.
Software Support: Integrated with software packages provided by Tencent Cloud, and supports multiple versions of common software such as Java, MySQL, SQL Server, Python, Ruby, and Tomcat.
Security: The provided operating systems are fully compliant and use official, genuine versions. Created by Tencent Cloud's internal Professional security operations team, they undergo rigorous testing and can optionally include built-in Tencent Cloud security components.
Limitations: Only available for use in Chinese mainland regions.
Custom Image
Custom images are created by users through the image creation feature or imported using the image import feature. They can only be used by the creator and those with whom the image is shared.
Features:
Use case: Create an image from a CVM instance with a deployed application to quickly launch more instances with the same configuration.
Feature support: Allows users to freely create, copy, share, and delete images.
Limitations: A maximum of 50 custom images are supported in each region.
For more information on operations and limitations, please refer to Create Custom Images, Copy Custom Images, Share Custom Images, Unshare Custom Images, and Import Custom Images.
Shared Image
Shared images are custom images shared with the current user by other Tencent Cloud users through the image sharing feature. The shared images will be displayed in the same region as the original image of the shared user.
Features:
Use case: Assist other users in quickly creating CVM instances.
Functionality support: Shared images can only be used for creating cloud servers and cannot be modified, copied, shared, or used for other operations.
Security: Shared images are not reviewed by Tencent Cloud and may pose security risks. Therefore, it is strongly recommended not to accept images from unknown sources.
Limitations: Each custom image can be shared with up to 50 Tencent Cloud users. Image sharing only supports sharing within the same region of the recipient's account.