CentOS

it's you it's centos who changed centos into centos stream so it's up to you to indicate how to detect the difference between the 2 those which are perfectly normal No, sorry, that is not what happened. This was 100% Red Hat. Go complain to them, there is a section on issues.redhat.com under RHEL w...

Upgrades from one major release to another are unsupported

You do realise that the whole point of CentOS Stream was to stop people from using CentOS at all?

You need to check centos_ver not rhel. If you check rhel then it looks like you're building for RHEL 8. If you check centos_ver then it is CentOS and since there is ONLY CentOS Stream 8 now, it's got to be that. Look in /usr/lib/rpm/macros.d/macros.dist and you will see the things there that you can...

Looking in /usr/lib/rpm/macros.d/macros.dist from the current centos-release package, I do not see anything there that is stream specific but there is stuff there about centos and since there is no CentOS except Stream now, you can probably use that. Also, there is no CentOS Stream 7 so checking for...

Post the output from lspci -nn | grep -i net so that we can see exactly which card you have.

I find google its saying that the r8125 cards are already supported in RHEL 8 by the r8169 driver so it's very possible that you do not need the thing you're trying to build at present.

It was not deleted, it was merged into one of the many other threads you have posted on the same subject.

Stop raising duplicate threads.

Please do not make duplicate posts. I've merged all these into one. As previously said, it's really not a good idea to install CentOS 7 at this point. It dies in less than 2 months time so you will need to reinstall in 6 weeks time. Pick a newer distro and use that. CentOS 7 is dead or very nearly d...