Set Static IP Ubuntu

Currently most versions of Ubuntu use the same method to set a static IP address. Simply edit the interfaces file.

$ sudo nano /etc/network/interfaces

and modify the following to suit your needs 

iface eth0 inet static
      address 192.168.1.50
      netmask 255.255.255.0
      network 192.168.1.0
      broadcast 192.168.1.255
      gateway 192.168.1.1
      dns-nameservers 8.8.8.8 8.8.4.4

Once completed, reboot the system.

$ sudo reboot -n

Now that the system has come back online verify the IP address is correct but running either of the following.

$ ifconfig

or

$ ip addr

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