CentOS6.2: Static IP and default gateway

Linux, System OS 1 Minute

I am a debian linux user, the way CentOS configures is slightly different, this post is a reminder for myself.

Statically assign ip address to an interface on boot
Edit the script file /etc/sysconfig/network-scripts/ifcfg-eth0

Use a text editor to put these

DEVICE=eth0
ONBOOT=yes
BOOTPROTO=none
NETWORK=192.168.0.0
NETMASK=255.255.255.0
BROADCAST=192.168.0.255
IPADDR=192.168.0.100

ONBOOT if set to yes will activate the interface id specified in DEVICE after boot, if set to no the interface will be deactivated after boot.

To use dhcp and turn on interface eth0, edit the script file /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
BOOTPROTO=dhcp
ONBOOT=yes

Statically assign gateway
Edit the script file /etc/sysconfig/network

HOSTNAME=anyname.local
GATEWAY=192.168.0.1
NETWORKING=yes
NETWORKING_IPV6=yes

When changes were completed restart the network /etc/init.d/network restart

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Published by cyruslab

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2 thoughts on “CentOS6.2: Static IP and default gateway”

  2. How do you or do you need to find “/etc/sysconfig/network-scripts/ifcfg-eth0” I’m trying to setup an PXE Server using CentOS 6.4 64-bit

    Reply

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