/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 HWADDR=XX:XX:XX:XX:XX:XX TYPE=Ethernet ONBOOT=yes BOOTPROTO=none NM_CONTROLLED=yes IPV6INIT=no IPADDR=192.168.x.x NETMASK=255.255.255.0 GATEWAY=192.168.x.x UUID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXXXXXX