After CentOS 7 reached end‑of‑life, this guide evaluates six popular alternatives—Rocky Linux, AlmaLinux, Red Hat Enterprise Linux, openEuler, Kylin V10 and Ubuntu—by outlining their origins, RHEL compatibility, open‑source status, cloud‑native support, and ideal migration scenarios.
Denmark’s Digital Agency is abandoning Microsoft services in favor of Linux and LibreOffice, rolling out the transition in two phases by late 2025 to strengthen digital sovereignty and reduce reliance on foreign tech vendors, reflecting a broader European push for open‑source public infrastructure.
After CentOS 7 reaches end‑of‑life on June 30 2024, this guide explains why you must migrate, outlines three essential pre‑migration preparations, and provides detailed step‑by‑step commands to upgrade first to AlmaLinux 8 and then to AlmaLinux 9, including post‑migration checks and common pitfalls.
This guide explains why CentOS 7 reaches end‑of‑life, compares community and domestic replacements, and provides detailed automatic and manual procedures—including Leapp workflows and RPM handling—to upgrade CentOS 7 to a suitable modern distribution while meeting compliance and hardware requirements.
This article examines government‑level open‑source migrations, contrasting Munich’s troubled LiMux experience with Turkey’s successful Pardus rollout, and outlines the strategic steps, training programs, and technical customizations that enabled a large‑scale switch from Windows to Linux in public administration.
