The plugins monitors the status of the certificates a remote server uses to connect to the local server.
Here's an example how how this plugin works: [Prosody Remote Certificates statistics for jabber.hot-chilli.net](https://www.hot-chilli.net/munin/hot-chilli.net/tethys.hot-chilli.net/loggrep_prosodyrcerts.html)
Create a file */etc/munin/plugin-conf.d/loggrep_prosodyrcerts* (we don't want change the standard file */etc/munin/plugin-conf.d/munin-node* as future updates might want to undo the changes) and put the following into it:
Edit */etc/munin/munin.conf* - in our case we have a Munin host named *tethys.hot-chilli.net*, please add it under the specifications for your own host: