What is AlmaLinux? Features, Editions & Why It Matters in 2025!
AlmaLinux OS is a free, open-source, community-driven Linux distribution that’s fully compatible with Red Hat Enterprise Linux (RHEL). Designed as a stable, production-grade replacement for CentOS, AlmaLinux has rapidly become a preferred choice for enterprises, hosting providers, and developers who need a reliable operating system with long-term support — without licensing fees.
Why Choose AlmaLinux in 2025?
- Enterprise Stability: Built from RHEL sources, making it ideal for mission-critical servers.
- Free Forever: No subscription fees, no limitations, fully open-source.
- Secure & Compliant: Features include SELinux, Secure Boot, FIPS 140-3 readiness, SBOM support, and OpenSCAP.
- Community-Backed: Maintained by the AlmaLinux OS Foundation, a non-profit driven by contributors and sponsors.
- Cloud & Container Friendly: Works on AWS, Azure, GCP, Docker, Kubernetes, and other environments.
Latest Versions & Lifecycle:
- AlmaLinux 8.x – Supported through May 2029
- AlmaLinux 9.x – Supported through May 2032
- AlmaLinux 10 “Purple Lion” – Released in May 2025 with updated kernel and improved developer tools
Migration from CentOS Made Easy:
AlmaLinux offers a tool called ELevate to help migrate from CentOS Stream or CentOS 7/8 to AlmaLinux with minimal disruption. This tool retains application compatibility and avoids system reinstallation.
Security Features:
- FIPS 140-3 and STIG compliance
- SELinux and Secure Boot enabled
- SBOM generation and OpenSCAP audit tools
- Timely updates via errata and security advisories
Who Should Use AlmaLinux?
- Organizations seeking RHEL compatibility without license costs
- Cloud service providers and VPS hosts
- Developers and sysadmins building secure, scalable applications
- Educational institutions and research environments
AlmaLinux Community & Support:
- Backed by sponsors like CloudLinux, AWS, Microsoft, and ARM
- Community forums, GitHub, IRC, and regular AlmaLinux Days
- Strong ecosystem support for third-party drivers and integrations
Final Thoughts
AlmaLinux has matured into a reliable, enterprise-class Linux distribution trusted by thousands of companies worldwide. With its focus on security, longevity, and RHEL compatibility — AlmaLinux is not just a CentOS replacement, it’s a long-term Linux solution for the future.