Re: Network not activting on boot
I am pretty sure that in F12 NetworkManager is/was the default "network manager". If you are configuring your eth0 network device using system-config-network (netowrk), then you would need for "network" to be your active network service and have the "NetworkManager" service disabled.
Also, in the eth0 setup, there is the option "controlled by nm=", which if you are using the "network" service should be set to "no". If you are using the "network" service and not "NetworkManager", and that is set to "yes", then network will ignore eth0 at bootup, as it has been told the "other guy" is responsible for it.
---------- Post added at 07:47 PM ---------- Previous post was at 07:42 PM ----------
The only ifcfg-eth0 file that you should be concerned with is the one in /etc/sysconfig/network-scripts/.
The others are created automatically from that one. For direct edits, only edit the file in /etc/sysconfig/network-scripts/.