Change host name of Puppet client

Here are the steps i use to change the host name of a puppet client:

On the client side stop Puppet, remove old certificates and change host name:

service puppet stop
find /var/lib/puppet/ssl -type f -print | xargs rm -v

Change the host name in /etc/sysconfig/network and /etc/hosts, then reboot the client.

Remove the old certificate on the server:

puppet cert clean hostname.domain.tld

If you’re using Foreman, change the host name there too.

Finally, initialize a manual update on the client:

puppet agent --waitforcert 60 --test

and sign the new certificate as usual:

puppet cert list
puppet cert sign hostname.domain.tld
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