Linux command line methods for modifying IP, gateway, DNS, hostname

Modify Host name : "Change inside HOSTNAME can"

Vim/etc/sysconfig/network

Nic Eth0 IP modified to 102.168.0.1

Ifconfig eth0 102.168.0.1 netmask 255.255.255.0

Gateway modified to 102.168.0.254

Route add default GW 102.168.0.254

Linux command line modify DNS

echo "NameServer 202.202.202.20" >>/etc/resolv.conf

Can be modified with the VIM command, multiple DNS can be multiple nameserver, one line at a.

Restart Network Service

Service Network Restart # or/etc/rc.d/init.d/network Restrart

Linux command line methods for modifying IP, gateway, DNS, hostname