Docker swarm on a Raspberry Pi

The goal is to create a Docker swarm cluster with 3 nodes for under 200 euro’s, but it still has to be capable to run a nginx proxy, couple of static websites, management UI for Docker, home automation and pi-hole. Because the limit is set to 200 euro’s the choice... [Read More]

Letsencrypt with Zimbra

Sins begin of 206 you can get free ssl certificates from letsencrypt. These certificates can also be used for Zimbra OSC mail server. By using this you no longer need the selfsigned certificates. [Read More]