Update the Grub timeout in order to speed up boot times or to slow it down so that you have time to see the menu and choose your kernel.
This post tells you how to restart the Ubuntu GUI from the CLI (using SSH) in case it ever locks up.
Discussing attempts to resolve stability issues in Ubuntu on Ryzen based servers.
In this tutorial, I am going to configure two MySQL servers to store their data in ZFS, and then synchronize them in a master/slave relationship using zfs send/recieve.
Find out how to ignore all files/folders located anywhere in your repo that match a patter. Particularly useful if you have packages with .git dirs.
Use ZFS's configuration options to set up NFS sharing instead of using /etc/exports.
Create a software RAID array with just LVM. No need to mess around with mdadm, BTRFS, or ZFS.