Ubuntu set IP and DNS

Note: If the Linux The system does not have Vim installed , use the delete and insert key to insert and delete, when moving up or down, to be in non-insert mode.

Command line mode:

set up dynamic get IP :

$vi/etc/network/interfaces

Auto Eth0

Iface eth0 inet DHCP

set static IP :

$vi/etc/network/interfaces

Auto Eth0

Iface eth0 inet Static

Address 192.168.161.xxx

Netmask 255.255.255.0

Gateway 192.168.161.1

Set up DNS:

$vi/etc/resolv.conf

NameServer 124.xxx.xxx.254

Note: In addition to 127.0.1.1 that, do not configure multiple DNS

The configuration takes effect and requires a restart of the network card (or restart the computer):

Ifconfig eth0 Down

Ifconfig eth0 up

Graphics Window Mode:

bottom right or upper right corner, click Network Settings, add IPv4 address, fill in IP and dns,ok! Take effect immediately!

Ubuntu set IP and DNS