Why rhel/cent os is such a big deal? Cant ppl just use Debian / Ubuntu / alpine?
RHEL gets enterprise support from RedHat / IBM.
Point is, if you work for some big corp, when you buy something, you want proper warranties meaning people to blame if it breaks down. I have seen corps want to pay for stuff available free just so they can point at someone if there's a problem. Ubuntu is mostly fine, Canonical does offer support, but "nobody ever got fired for choosing IBM".
The enterprise support also means security updates, which is a huge requirement for government contract work (not just US, anything military really). I've also seen requirements for use of DISA approved products. I think at the time RHEL and maybe SUSE were the only ones on the list - I'm a few years removed from having to care about this.
Switching is not always trivial.
I have a huge build that only works on EL7. It will take months of focused effort to unfuck that build code.
EOL of version 7 is next year in June, you got a nice pile of work here!
Thanks for the answers I learnt something new :)
Professional applications (e.g. CAD,...) generally don't support many distributions. In my field, RHEL and SLES are widely supported and a few tools also support Ubuntu.
We've got over two hundred Rocky/Centos vms. all of them 'pets' that would require manual migration of lots of very different services, many of them bespoke. That's quite a lot of work.
Why rhel/cent os is such a big deal? Cant ppl just use Debian / Ubuntu / alpine?
RHEL gets enterprise support from RedHat / IBM.
Point is, if you work for some big corp, when you buy something, you want proper warranties meaning people to blame if it breaks down. I have seen corps want to pay for stuff available free just so they can point at someone if there's a problem. Ubuntu is mostly fine, Canonical does offer support, but "nobody ever got fired for choosing IBM".
The enterprise support also means security updates, which is a huge requirement for government contract work (not just US, anything military really). I've also seen requirements for use of DISA approved products. I think at the time RHEL and maybe SUSE were the only ones on the list - I'm a few years removed from having to care about this.
Switching is not always trivial.
I have a huge build that only works on EL7. It will take months of focused effort to unfuck that build code.
EOL of version 7 is next year in June, you got a nice pile of work here!
Thanks for the answers I learnt something new :)
Professional applications (e.g. CAD,...) generally don't support many distributions. In my field, RHEL and SLES are widely supported and a few tools also support Ubuntu.
We've got over two hundred Rocky/Centos vms. all of them 'pets' that would require manual migration of lots of very different services, many of them bespoke. That's quite a lot of work.