Proxmox Let's Encrypt

Intro We operate a proxmox cluster which is not exposed to the public internet, but we still wanted to secure the appliances with good certificates to »

SNMP Traps

Quick notes on testing, receiving and debugging SNMP traps. To send a test SNMP trap, do something like: #!/bin/bash #File: trapTest.sh #Change these values »

Let's Encrypt Appliances!

Let's encrypt is incredibly exciting. For far too long, SSL has been too hard (manual process) and too expensive. Now everyone can get the green lock »

hostname --fqdn

Recently I setup logcheck, but found it was sending email reports purporting to be from localhost, which is absolutely useless for anyone trying to manage multiple »

sendmail (simply)

It's important to know when cron jobs fail. One way to do this is to put an entry in the crontab like MAILTO=me@example.com. »