CentOS 9 exists because it is part of CentOS Stream, a rolling distribution that is updated simultaneously with Red Hat Enterprise Linux. It is maintained by entities outside of the CentOS project, including Red Hat and its partners, providing benefits such as continuous updates, compatibility with RHEL, and community support. However, it is important to note that it is not an officially supported CentOS distribution and may have unofficial support, lack of long-term support, and compatibility issues.
Why does CentOS 9 still appear after CentOS stops maintenance?
Overview
CentOS 8 ended maintenance on December 31, 2021. Nonetheless, CentOS 9 still exists and can be used in production environments. This is because its development and maintenance are handled by entities outside of the CentOS project.
CentOS Stream
CentOS 9 is part of CentOS Stream, a rolling release that is updated simultaneously with Red Hat Enterprise Linux (RHEL). This means CentOS 9 will always have the same packages as the latest RHEL version.
Support and Updates
CentOS 9 is maintained by entities outside of the CentOS project, including Red Hat and its partners. This means that CentOS 9 will continue to receive security updates and patches, even though it is no longer an official CentOS distribution.
Benefits
Using CentOS 9 brings the following benefits:
- Continuous updates: Because it is a rolling release, CentOS 9 will always get the latest software and security updates.
- Compatible with RHEL: CentOS 9 is RHEL compatible, which means applications and configurations can be easily ported.
- Community Support: There is an active community that provides support and resources to help users troubleshoot and solve problems.
Notes
The following points need to be noted:
- Unofficial support:CentOS 9 is no longer supported by It is officially supported by the CentOS project, which means users may not get the same level of support as official RHEL distributions.
- Long Term Support: CentOS 9 is not a Long Term Support (LTS) release, which means it will not receive 10 years of support like CentOS 8.
- Compatibility Issues: Since CentOS 9 is a rolling release, compatibility issues with older applications or configurations may occur.
Conclusion
Although CentOS 8 has ceased maintenance, CentOS 9 still exists, supported by entities outside of the CentOS project. It offers the benefits of a rolling distribution compatible with RHEL, but it is important to note that it is no longer an officially supported CentOS distribution.
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