I have moved from expensive C-Panel hosted domains to self-managed Ubuntu servers and have collected a number of Ubuntu Terminal (command line) tips and tricks
https://www.phpservermonitor.org/ – PHP Server Monitor is a script that checks whether your websites and servers are up and running. It comes with a web based user interface where you can manage your services and websites, and you can manage users for each server with a mobile number and email address.
I visited https://letsencrypt.org/ where it said Let’s Encrypt is a free, automated, and open ssl Certificate Authority. That sounds great, time to check them out.