How to Configure Static Ip Address in Linux

Edit /etc/sysconfig/network-scripts/ifcfg-eth0, enter:# cat /etc/sysconfig/network-scripts/ifcfg-eth0Sample static ip configuartion:

DEVICE=eth0
BOOTPROTO=static
DHCPCLASS=
HWADDR=00:30:48:56:A6:2E
IPADDR=192.168.1.10
NETMASK=255.255.255.0
GATEWAY=192.168.1.128
ONBOOT=yes
DNS1=192.168.1.1
DNS2=8.8.8.8

Alternately you can use system-config-network command directly to invoke this setup window:

# system-config-network

Source:
Cyberciti
ComputerNetworkingNotes