[CentOS] Setting GDM resolution without knowing the monitor specs

Simon Matter via CentOS wrote:
> 
> One of the reasons why I hate the new naming scheme. It was also easy in
> the past to always monitor eth0, eth1 on a server, now you always have to
> first find out how the devices are named. I don't see progress here, I see
> a step back only. Maybe that's only me :-)

I always use the following install/boot cmdline options to disable CNDN:

  biosdevname=0 net.ifnames=0

e.g see https://access.redhat.com/discussions/916973

James Pearson