During the process of migrating to RHEL 8 I discovered a severe problem : Red Hat has removed some kernel modules from kernel 4.18 !
I installed RHEL 8 on an old DELL machine which shipped with a BROADCOM 44001 LAN adapter and an Intel 3945ABG WLAN device.
Whatever I tried, I was not able to connect the system to the internet/network - and hence I was not even able to ssh into the new server.
I found out that the b44.ko.xz, iwl3945.ko.xz, iwl4965.ko.xz and iwlegacy.ko.xz modules are not present, RHEL 8.0 comes without them !
To solve the problem I decided to install the mainline kernel (it includes the modules), I've chosen the version being provided by ELRepo.
I have no clue about the reasons behind why the modules were removed - on one hand systems are supported for ten years ... and on the
other hand older hardware is not supported any longer. I write this in order to make other users aware of this subject and to provide them
with a working solution. Akemi Yagi : Thank you and your team over at ELRepo, my "old beast" is running - you are doing an amazing job !