How To Set A Static IP Address On A Ubuntu Server

Depending on your network, your IP address, subnet, gateway ..etc setting will or could be different. Most home networks use a class C network with one subnet, so these settings could be applied in that case. Check your current IP address to get an idea what to use.

Lets get into it.

Change directories to /etc/networking/ by using the following command.

cd /etc/network/

 

 

 

 

We are now going to edit the file “interfaces”. If you are new to editing files in the command like I would suggest using nano text editor instead of vi. In this example we will be using nano to make things easier.

sudo nano interfaces

 

 

 

 

 

Change dhcp to static and add the following lines adjusting the address to fit your network settings.

Address 192.168.1.250

netmask 255.255.255.0

gateway 192.168.1.1

 

 

 

 

You can also add some additional information if wanted such as network address and broadcast address.

 

 

 

 

After making your changes hit CTRL + x

Select “Y” to save the file

 

 

 

 

Leave the file name the same and just hit enter to overwrite the old file.

 

 

 

 

Now that we made the changes to the interfaces file we just need to restart networking. Enter the following command:

sudo /etc/init.d/networking restart

 

 

 

 

 

 

To test to see if the new IP address type the following command:

ifconfig

 

 

 

 

You can see the new IP address has been applied for interface eth0. Now lets run one more test and ping Google to make sure we have the correct network configuration.

ping google.com

 

 

 

 

Press CTRL + c to stop the ping

It looks like all packets made it to there destination

We should be all set with are new static IP address.

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