How to add ip address in linux

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First, need to edit the set up for the Ethernet. Let’s start with editing this file:
1.# vi /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
HWADDR=1f:65:9d:63:ec:e1
TYPE=Ethernet
ONBOOT=yes
BOOTPROTO=none
IPV6INIT=no
USERCTL=no
NM_CONTROLLED=yes
PEERDNS=yes
IPADDR=192.168.0.201
NETMASK=255.255.255.0

Now, configure default getaway:

1. # vi /etc/sysconfig/network
NETWORKING=yes
HOSTNAME=centos6
GATEWAY=192.168.0.1
Configure DNS Server

# vi /etc/resolv.conf

nameserver 8.8.8.8
nameserver 8.8.4.4


Now restart the network interface:

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