Edventures in Normalcy

Common (RHEL Red Hat, Ubuntu Server, and CentOS) Network Interface Configuration Locations and Basic Format

Posted by Rose Bush on December 14th, 2012

Red Hat Enterprise Linux Server release 5.3 (Tikanga)
File found in: /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=static
IPADDR=%IP Address%
NETMASK=%Netmask%
GATEWAY=%Gateway%
ONBOOT=yes

DEVICE=eth0

BOOTPROTO=static

IPADDR=%IP Address%

NETMASK=%Netmask%

GATEWAY=%Gateway%

ONBOOT=yes

Ubuntu Server 10.04 LTS
File found in: /etc/network/interfaces

auto eth0
iface eth0 inet static
address %IP Address%
netmask %Netmask%
gateway %Gateway%

auto eth0

iface eth0 inet static

address %IP Address%

netmask %Netmask%

gateway %Gateway%

CentOS release 5.8 (Final)
File found in: /etc/sysconfig/network-scripts/ifcfg-eth0