CentOS has been discontinued, alternatives include: 1. Rocky Linux (best compatibility); 2. AlmaLinux (compatible with CentOS); 3. Ubuntu Server (configuration required); 4. Red Hat Enterprise Linux (commercial version, paid license); 5. Oracle Linux (compatible with CentOS and RHEL). When migrating, considerations are: compatibility, availability, support, cost, and community support.
Migration options after CentOS stops maintenance
CentOS 8 was discontinued at the end of December 2021, which means no updates or security patches are provided. This puts many users who rely on CentOS to the choice of using alternative operating systems.
Alternative Options
Here are a few alternative options available after CentOS stops maintenance:
- Rocky Linux : Rocky Linux is a free and open source operating system developed by the founder of CentOS. It is designed to maintain full compatibility with CentOS, making it an ideal migration target for CentOS users.
- AlmaLinux : AlmaLinux is also a free and open source operating system designed for compatibility with CentOS. It is developed by CloudLinux and offers long-term support and enterprise-level support programs.
- Ubuntu Server : Ubuntu Server is a popular open source operating system known for its stability and extensive software support. It is compatible with CentOS, but requires more configuration to enable seamless migration.
- Red Hat Enterprise Linux (RHEL) : RHEL is a commercial version of CentOS that provides longer support cycles and enterprise-level features. However, a paid license is required to use RHEL.
- Oracle Linux : Oracle Linux is a free and open source operating system provided by Oracle. It is compatible with CentOS and RHEL and is optimized for Oracle products.
Migration process
The process of migrating to a new operating system varies by target operating system. General steps include:
- Back up existing data and configuration.
- Create installation media for the new operating system.
- Install the new operating system and select the appropriate partition.
- Import backup data and configuration.
- Reconfigure applications and services to be compatible with the new operating system.
Considerations
When choosing an alternative operating system, the following factors need to be considered:
- Compatibility: Ensure that the new operating system is compatible with your applications and services.
- Availability: Confirm that the new operating system has available packages and tools.
- Support: Consider the support levels available to new operating systems, including updates, patches, and documentation.
- Cost: If you choose a commercial operating system, consider the associated licensing cost.
- Community Support: Active community support is essential to solving problems and getting help.
The above is the detailed content of Centos options after stopping maintenance. For more information, please follow other related articles on the PHP Chinese website!

CentOS is suitable for building powerful and reliable servers. Its advantages include: 1. Stability and reliability, support cycle up to 10 years; 2. Security, built-in SELinux and regular security patches; 3. Compatibility and ecosystem, highly compatible with RHEL, with a rich software warehouse; 4. Performance optimization, suitable for various hardware platforms and providing kernel tuning.

CentOS will continue to evolve in the future, and users should choose alternative distributions. 1) Evaluate the requirements, choose such as RockyLinux or AlmaLinux, and focus on stability and support. 2) Develop a migration plan, use tools such as CentOS2Rocky, and pay attention to testing and verification. 3) Plan early, maintain contact with the open source community, and ensure a smooth transition.

CentOS is widely selected as a server operating system because it is stable, secure and free. 1.CentOS is based on RHEL, providing enterprise-level stability and a life cycle of up to 10 years. 2. It has rich software packages and strong community support. 3. Simple installation, use yum management software package, and intuitive configuration. 4. Improve server management efficiency through command line tools, regular backups and log management. 5. Optimize server performance by adjusting kernel and network parameters.

CentOS will continue to develop through CentOSStream in the future. CentOSStream is no longer a direct clone of RHEL, but is part of RHEL development. Users can experience the new RHEL functions in advance and participate in development.

The transition from development to production in CentOS can be achieved through the following steps: 1. Ensure the consistent development and production environment, use the YUM package management system; 2. Use Git for version control; 3. Use Ansible and other tools to automatically deploy; 4. Use Docker for environmental isolation. Through these methods, CentOS provides powerful support from development to production, ensuring the stable operation of applications in different environments.

CentOSStream is a cutting-edge version of RHEL, providing an open platform for users to experience the new RHEL functions in advance. 1.CentOSStream is the upstream development and testing environment of RHEL, connecting RHEL and Fedora. 2. Through rolling releases, users can continuously receive updates, but they need to pay attention to stability. 3. The basic usage is similar to traditional CentOS and needs to be updated frequently; advanced usage can be used to develop new functions. 4. Frequently asked questions include package compatibility and configuration file changes, and requires debugging using dnf and diff. 5. Performance optimization suggestions include regular cleaning of the system, optimizing update policies and monitoring system performance.

The reason for the end of CentOS is RedHat's business strategy adjustment, community-business balance and market competition. Specifically manifested as: 1. RedHat accelerates the RHEL development cycle through CentOSStream and attracts more users to participate in the RHEL ecosystem. 2. RedHat needs to find a balance between supporting open source communities and promoting commercial products, and CentOSStream can better convert community contributions into RHEL improvements. 3. Faced with fierce competition in the Linux market, RedHat needs new strategies to maintain its leading position in the enterprise-level market.

RedHat shut down CentOS8.x and launches CentOSStream because it hopes to provide a platform closer to the RHEL development cycle through the latter. 1. CentOSStream, as the upstream development platform of RHEL, adopts a rolling release mode. 2. This transformation aims to enable the community to get exposure to new RHEL features earlier and provide feedback to accelerate the RHEL development cycle. 3. Users need to adapt to changing systems and reevaluate system requirements and migration strategies.


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