Ubuntu and Linux

These are general Linux and system notes from the perspective of an Ubuntu Server/Pop!_OS user.

systemd

At its core, Ubuntu’s are systemd distros.

https://systemd.io/

Curiously there’s an anti-systemd website, though the concerns raised stem from 2015/2016, 8 or more years ago.

https://nosystemd.org/

Resources

• https://www.linode.com/docs/guides/what-is-systemd/
• https://www.liquidweb.com/kb/what-is-systemctl-an-in-depth-overview/

hostnamectl

hostnamectl set-hostname MyComputer

groups

# Create a group 'newgroup'
sudo groupadd newgroup

# Add 'user' to 'newgroup'
sudo usermod -aG newgroup user

# Reload changes for group (otherwise logout and log back in)
newgrp newgroup