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.
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