Ubuntu set static IP GW

Network card configuration static IP address
Edit File/etc/network/interfaces:
sudo vi/etc/network/interfaces
Use the following line to replace the line about Eth0: # The Primary network interface
Auto Eth0
Iface eth0 inet Static
Address 192.168.3.90
Gateway 192.168.3.1
Netmask 255.255.255.0
#network 192.168.3.0
#broadcast 192.168.3.255

Replace the above IP address with your own. Use the following command to make the network settings effective:
sudo/etc/init.d/networking restart

Ubuntu set static IP GW