Network configuration on CentOS

Static IP address Assigning a static IP address on CentOS is accomplished by editing the files in the directory /etc/sysconfig/network-scripts. For example, assign a static IP address to interface eth0 by editing /etc/sysconfig/network-scripts/ifcfg-eth0: DEVICE=eth0 BOOTPROTO=none IPADDR=192.168.0.123 NETMASK=255.255.255.0 GATEWAY=192.168.0.1 ONBOOT=yes Network