Server Hardening

Some tips to limit surface attack, and other things to help mitigate obvious script kiddy crap.

Note: This is a placeholder, we should run through the reference doc below and cherry-pick a couple of things.

Comfy setup
echo 'APT::Install-Recommends "false";' > /etc/apt/apt.conf.d/80norecommends
 * Don't bload APT