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hostname -f unknown host for CoreOS Droplet

Posted September 20, 2015 3.6k views
DockerSystem Tools

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?

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jcheung0
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2 answers
BrookDO June 20, 2016

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

hostnamectl set-hostname yourhostnamehere

After that, run

hostnamectl

again to confirm the change.

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redhattraining5 December 23, 2018

Below steps should work for me;

hostnamectl set-hostname <server1.example.com>

vi /etc/hosts

10.1.1.1 server1.example.com server1

hostname -f

server1

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