Here I've consolidated what is useful for my purposes from the excellent OpenSSL Cookbook by Ivan Ristić. Read: There is a hell of a lot more to the book than what is covered
A collection of 7 articles
I was seeing a number of print_req_error: I/O error, fd0, sector 0 on an Ubuntu Server 18.04 virtual machine. It's running in Hyper-V, and there is no floppy configured
Configuring OpenVPN server on an Asus DSL-AC68U so I can VPN to my home network.
Enabling dual screens using the DisplayPort's on Ubuntu 18.10, running on a Dell XPS13 9370 and D6000 Dock
Commands that for whatever reason, I struggle to remember.