hostname -f unknown host for CoreOS Droplet

September 20, 2015 3.3k views
System Tools Docker

When I run hostname -f on my CoreOS droplet it keeps returning unknown host does anyone know why or if there is a workout for this?

2 Answers

In order to set your hostname, you will want to use the command

hostnamectl set-hostname yourhostnamehere

After that, run


again to confirm the change.

Below steps should work for me;

hostnamectl set-hostname vi /etc/hosts server1

hostname -f


Have another answer? Share your knowledge.