[CentOS] From Networkmanager to self managed configuration files

Wed Mar 8 10:15:58 UTC 2017
John Hodrien <J.H.Hodrien at leeds.ac.uk>

On Wed, 8 Mar 2017, Giles Coochey wrote:

> The truth is a lot of us run servers that don't need to have their network
> "managed" by Networkmanager.

You're opting to have your network managed by a bunch of unloved legacy
scripts that you're advised to avoid using unless necessary, or you've having
it managed by NetworkManager.  If you want to have it managing it this way,
you'll be writing your own scripts.

> We just need to set an IP address, subnet mask, gateway, and DNS servers and 
> we will never be changing that configuration ever again for the entire life 
> of the server.
> Any 3-4 line script that does the job is sufficient, servers don't need 
> gimmicks, they're not going to be hotspotting on wireless networks, the cable 
> goes in, the server enters production and that's it!

By 3-4 line script, I assume you mean the content of all the files in
/etc/sysconfig/network-scripts that aren't your ifcfg files?