How to modify IP, gateway and DNS in Linux

Network card eth0 IP is modified to 102.168.0.1

Copy code The code is as follows:

ifconfig eth0 102.168.0.1 netmask 255.255.255.0

The gateway is modified to 102.168 .0.254

Copy code The code is as follows:

route add default gw 102.168.0.254

linux command line to modify dns

Copy Code The code is as follows:

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

Restart the network service

Copy code The code is as follows:

service network restart

or

Copy code The code is as follows:

/etc/rc.d/init.d/network restrart

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