...
Open a terminal window and proceed with the following:
sudo vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=machinename.ece.utexas.edu
GATEWAY=128.83.xxx.xxx
sudo vi /etc/sysconfig/network-scripts/ifcfg-eth0
Note: if there are more than one network adaptersadapter, you will see multiple interfaces, (e.g. ifcfg-eth1, ifcfg-eth2, etc). Select the one that requires a static configuration.
DEVICE=eth0
BOOTPROTO=STATIC
DHCPCLASS=
HWADDR=00:30:48:56:A6:77
IPADDR=192.168.0.5
NETMASK=255.255.255.0
ONBOOT=yes