Real Computing

SO PICKY!!! you have to do sudo - to make the usermod command work! su WON'T do it. SOLUTION: Once you add your user to sudo group, ALWAYS use sudo. Don't do anything as root.

1. Update system and reboot.
2. https://www.digitalocean.com/community/tutorials/initial-server-setup-with-debian-11 a. Install UFW and look at essentials guide. https://www.digitalocean.com/community/tutorials/ufw-essentials-common-firewall-rules-and-commands b. Setup SSH Keys with ssh-copy-id c. Find out how to use a non-standard port with UFW Firewall. sudo ufw allow [port number]/tcp sudo ufw delete allow 22/tcp (disable 22 to avoid conflicts) sudo ufw enable d. Install Caddy on Debian 11: curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | sudo gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg --install golang

After configuring the server and Caddy is running, copy the bash history file someplace safe so you can see what you did.