CERN moves thousands of accelerator control computers to Debian
Prompted by CentOS 8's premature demise, it's a very visible loss for the Red Hat ecosystem
The European Organization for Nuclear Research (CERN) is relocating thousands of accelerator control computers from Red Hat-family Linux distros to Debian. CERN generates significant data, necessitating the use of numerous Linux-based computers. Initially, most of these ran on Red Hat-based distros for over two decades. However, the organization is now transitioning "front end" computers, which control the Large Hadron Collider (LHC), to Debian Linux.
In December 2025, CERN engineers Federico Vaga and Nikos Tsipinakis presented a talk on this topic at MiniDebConf Winterthur 2026. The switch aims to address the challenges posed by Red Hat's CentOS 8's reduced support lifespan and the increasing CPU requirements for newer Red Hat releases.
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