Auto Start Python Script on Boot (Ubuntu 20.04, Systemd)
Secure Digital Ocean Ubuntu 18.04 Server
Command Line (cli) Optimize/Compress PNG Image (zopflipng, pngcrush) - Ubuntu
Secure Linode Ubuntu Server
Install Latest Python (3.7) on Ubuntu via Pyenv

Install different/multiple version of Python

Howto Patch Ubuntu Server For Meltdown And Spectre

sudo apt-get update && sudo apt-get dist-upgrade

How To Install And Setup MariaDB On Ubuntu
Ubuntu Server Setup With Basic Security
Setup Let's Encrypt SSL For Nginx On Ubuntu

Install certbox, setup nginx, obtain ssl and auto renewal.

How To Install And Setup Nginx On Ubuntu

Install, nginx service, config file and domain handling.