Ubuntu – Can´t resolve hostname

Hard-Disk-Server-iconOn my home network for some reason my ubuntu machines can´t resolve hostnames when first installed. None of my Debian machines seems to have this issue. If you try to ping a global ip, like googles free name server on, and that work there is a DNS issue. Pinging google.com fails. Can´t resolve hostname it says.

If you try
# cat /etc/resolv.conf

And it don´t contain any name server, we will need to add one.
You could add it directly into resolve.conf, but that would be deleted when you reboot your machine. So the way we need to do it is to add it to the network interface. Like this

# vim /etc/network/interfaces

If eth0 is your network interface, you add a line dns-nameserver to it. On my home network I can use as name server, since that is the gateway to my isp router.

My interfaces file with the dans-nameserver entry.
# The primary network interface
auto eth0
iface eth0 inet static

Reboot and your ubuntu machine should resolve just fine.
Note! If your gateway don´t work as name server you can try some of googles name server. The ip´s are and

Happy resolving!

Related Posts

4 Best Free Nas Software That Is Open Source

Free NAS software or operating systems that are free to use and will turn a computer into a NAS more advanced than the dedicated boxes sold. What…

Raspbian default password

Raspbian default password

Looking for the Raspbian default password? It is the most essential username and password that you will need for your raspberry. At least if you are running…

OpenMediaVault default password

OpenMediaVault default password

OpenMediaVault default password is printed in the documentation. I did not see it the first time I installed it either. So I had to do some detective…

Debian change dns

Debian change DNS settings to a new DNS

Debian change DNS settings for speed improvement or privacy. It is really easy to do. So let us see how it’s done and get to it. The…

Upgrade debian 9 to debian 10

Upgrade Debian 9 to Debian 10

Upgrade Debian 9 to Debian 10 is very similar to upgrading previous versions. The only you need to do is change the sources to Buster instead of…

Debian 10 Static IP

Debian 10 Static IP

Debian 10 static IP works just like the previous version. They changed the naming of the network interfaces in Debian 9. However if you have upgraded from…

Leave a Reply