Why Choose AlmaLinux as a CentOS Replacement: Benefits, Migration Tools, and Alternatives

Why CentOS Was Discontinued?

CentOS, first released in 2004 as a binary‑compatible clone of Red Hat Enterprise Linux (RHEL), was acquired by Red Hat in 2014 and later shifted to a rolling‑release model called CentOS Stream after IBM bought Red Hat in 2019, turning it into an upstream testing platform rather than a stable enterprise OS.

Because upstream distributions prioritize newer features over long‑term stability, many organizations that relied on CentOS faced a difficult migration challenge.

Why Choose AlmaLinux?

AlmaLinux is a community‑driven, enterprise‑grade Linux distribution that offers 1:1 binary compatibility with RHEL, effectively restoring the stable, production‑ready experience that CentOS previously provided.

It is free to use while receiving strong financial backing from major cloud providers such as Amazon, Microsoft, CloudLinux, Equinix, and AMD, ensuring long‑term sustainability.

The project also benefits from a large community of developers, testers, and enthusiasts who contribute to its development and maintenance.

Key Advantages

1. Solid Financial Support – AlmaLinux is backed by well‑funded sponsors, guaranteeing continued development and security updates.

2. Seamless Migration from CentOS – The AlmaLinux‑deploy tool automates the conversion of existing CentOS or RHEL installations to AlmaLinux, requiring only two reboots and preserving all software and configuration.

3. Server and Desktop Editions – AlmaLinux provides both server and desktop variants, simplifying management for organizations that standardize on a single OS across workloads.

4. Cloud‑Ready Infrastructure – Major cloud platforms (e.g., Azure, AWS) offer AlmaLinux images, and the distro is already used in large‑scale cloud and data‑center environments.

Other Viable CentOS Alternatives

Rocky Linux, founded by a CentOS co‑creator, mirrors AlmaLinux in RHEL compatibility and also supplies a migration tool (migrate2rocky). According to DistroWatch data up to 2022, AlmaLinux enjoys slightly higher popularity.

Oracle Linux, another RHEL‑compatible distribution, has been in development since 2006 and offers paid support for enterprises seeking a commercial option.

Migrating to AlmaLinux Is Straightforward

For organizations planning a move, it is recommended to test the migration process in a virtual or staging environment before applying it to production servers, ensuring minimal downtime and business continuity.