Representatives of the European Organization for Nuclear Research (CERN) mentioned in their presentation at the MiniDebConf conference plans to migrate from RHEL to Debian More than 2200 industrial and embedded computers are used to control the accelerator complex, which includes the Large Hadron Collider and several independent experimental facilities. It is specifically stated that the migration will not affect data centers and experimental systems, which will continue to use RHEL.AlmaLinux.
Initially, CERN engineers planned to switch to CentOS Stream, but abandoned this step due to the need to build packages for the x86-64-v2 architecture ("-march=x86-64-v2"), which covers the SSE3, SSE4_2, SSSE3, POPCNT, LAHF-SAHF, and CMPXCHG16B extensions, preventing the distribution from being used on older hardware. Among the issues encountered during implementation Debian There is a lack of full-fledged standard tools for automatic assembly and publication of packages, as well as the absence of an official policy regarding binary kernel modules and problems with support in some tools for working with multiple versions of a single package in a single repository.
At one time, CERN was one of the key developers of the Scientific distribution Linux, the development of which was curtailed in 2019 in favor of CentOSIn 2022, following a change in Red Hat's maintenance policy, CentOS and premature folding of branch support CentOS 8 CERN organization switched to AlmaLinux as a standard distribution to support experiments, but continued to use the already deployed systems based on CentOS and RHEL until the end of the life cycle of the affected releases.
Source: opennet.ru
