Cloud Virtual Machine
- Release Notes and Announcements
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- Instances
- Creating Instances
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- Migration Operation Guide
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- Security Groups
- Managing Security Groups
- Managing Security Group Rules
- Monitoring and Alarms
- Practical Tutorial
- Building an Environment
- Setting up LNMP
- Setting up LAMP manually
- Setting up Java Web
- Setting up Node.js
- Manual Setup of WIPM Environment
- Building a Website
- Discuz! Forum
- Building an Application
- Setting Up FTP Site
- NTP Service
- Building a Visual GUI
- Uploading Local Files to CVM
- High-throughput Network Performance Test
- Operations Guide
- Initializing Data Disks
- Environment Configurations
- Installing Software
- Work with Operating Systems
- Troubleshooting
- Instance-Related Failures
- Windows Instance Login Failures
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- Linux CVM Memory Issues
- API Documentation
- Region APIs
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- Cloud Hosting Cluster APIs
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- Instance Launch Template APIs
- Making API Requests
- Placement Group APIs
- Key APIs
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- FAQs
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- OPS & Monitoring
- Related Agreement
Background
Last updated: 2024-01-08 09:37:01
Background
CentOS plans to officially discontinue support for CentOS Linux, with details shown in the table below. For more information, see CentOS's official announcement.
OS Version | Maintenance End Date | Customer Impact |
CentOS 8 | January 1, 2022 | After end of maintenance, any software maintenance and support including bug fixes and feature updates are unavailable. |
CentOS 7 | June 30, 2024 | |
Choose the OpenCloudOS Community Stable Edition (free of charge) or TencentOS Server images for newly purchased CVMs
Introduction to OpenCloudOS and TencentOS Server
Initiated by Tencent and its partners, CloudOpenOS is a standalone, fully open OS and ecosystem with security, stability, and high performance.
For more information about OpenCloudOS, see OpenCloudOS Overview.
TencentOS Server is Tencent's Linux OS designed for cloud scenarios. With specific features and optimized performance, TencentOS Server provides a high-performance, secure, and reliable operating environment for applications in CVM instances.
For a more comprehensive understanding of TencentOS Server, please refer to the TencentOS Server Documentation.
Linux editions issued in the ecosystem supply chain are classified into four categories here:
L1 Stream Edition, such as OpenCloudOS Stream and the well-known Fedora and Debian.
L2 Commercial Edition, the majority of which are issued by commercial companies, such as TencentOS Server by Tencent, RHEL by Redhat, and Ubuntu by Canonical.
L3 Community Stable Edition, usually a free reissue of a commercial system such as OpenCloudOS and the original CentOS. This edition has few differences from the L2 Commercial Edition.
L4 Community Derived Edition, an optimized and customized edition based on L3.
OpenCloudOS falls under the L3 Community Stable Edition category and TencentOS Server the L2 Commercial Edition category. OpenCloudOS is to TencentOS Server what CentOS is to RHEL.
OpenCloudOS is derived from the commercial stable edition of TencentOS Server and has basically the same source code. The main difference is that the commercial edition provides SLA Guaranteed technical support.
| OpenCloudOS | TencentOS Server |
Kernel version | Linux v5.4 kernel | Linux v5.4 kernel |
User mode | Compatible with CentOS 8 (OpenCloudOS 8.X) | Compatible with CentOS 7 (TencentOS Server 2.4) and CentOS 8 (TencentOS Server 3.1) |
Technical support | From the OpenCloudOS community | From TencentOS Server technical support |
Flaw/vulnerability publish | In the community | By TencentOS Server technical support |
OpenCloudOS is a community-based OS, available to you for free and maintained by developers in the community.
If you need service and maintenance from a professional OS team, you can purchase the TencentOS Server subscription service.
Directions for CentOS migration
If you are using CentOS 8, you can migrate it to OpenCloudOS as instructed in Migrating CentOS to OpenCloudOS.
If you have CentOS instances, you can migrate them to TencentOS Server as instructed in Migrating CentOS to TencentOS.
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