# Configure eth0 # # vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=”eth0″ NM_CONTROLLED=”yes” ONBOOT=yes HWADDR=AB:CD:EF:3GH:A2:A4 TYPE=Ethernet BOOTPROTO=static NAME=”System eth0″ UUID=5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03 IPADDR=192.168.1.100 NETMASK=255.255.255.0 ## Configure Default Gateway # # vi /etc/sysconfig/network NETWORKING=yes HOSTNAME=centos6 GATEWAY=192.168.1.1 ## Restart Network Interface # /etc/init.d/network restart ## Configure DNS Server # # vi /etc/resolv.conf nameserver 8.8.8.8 # Replace with your nameserver ip nameserver 192.168.1.1 # Replace with your nameserver ip