i've gone the other way -- going from debian to red hat -- so i don't blame them. lol
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The key reason for doing this, as stated in the article:
ultimately they say "the straw that broke the camel's back" to abandon Red Hat Enterprise Linux for their industrial accelerator-control computers was the "-march=x86-64-v2" compiler flag default as "forced obsolescence" for old hardware.
From what I understand, the v2 option requires relatively newer CPU instruction sets, making it incompatible with some older CPUs, even 64 bit ones. I don't know what is gained by using the v2 flag, but I would imagine that it may be something performance-related, by more fully utilizing those newer instruction sets.
RedHat has been so obnoxious I moved from Fedora to Debian.
I've seen a lot of tech bro "Shove our crap into everything and make sure it is too hard to not use it so we become the new Microslop" kinda crap coming out of them to want anything to do with it.
I wonder why not switch to a RHEL clone like Alma which still complies for v2.
Edit: nevermind. I realize they still want v1 hardware, I thought this could have been about RHEL10 even removing support for v2.
Include proprietary drivers?
Update: CERN has clarified that their focus with the migration is on their industrial accelerator-control computers while data centers and experimental computing remain on RHEL/AlmaLinux.
So basically the frontend systems will be debian based. Makes sense to me. Much easier to migrate those probably.
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