Systemctl

# General
sudo systemctl daemon-reload         # Systemd will recreate the dencancy tree and add/update services
systemd-cgls # tree group by unit (need to looking to cgroups)

# Units
sudo systemctl start custom.service  # Run the service
sudo systemctl status custom.service # Check the status of the service
sudo systemctl edit kubeview.service         # edit overrides (avoid changing the pure service)
sudo systemctl edit --full kubeview.service  # edit the service directly
sudo systemctl list-units --type=service --state=running # list all runninng

# Timers
systemctl list-timers