#!/usr/bin/env sh

sudo systemctl enable --now 'gitlab-runner'

sudo journalctl -xefu 'gitlab-runner'
sudo journalctl --since 'yesterday'
sudo journalctl --since "2015-01-10 17:15:00"
sudo journalctl --since '09:00' --until "1 hour ago"
sudo journalctl --since "2015-01-10" --until "2015-01-11 03:00"

sudo hostnamectl
sudo hostnamectl status --static

sudo hostnamectl set-hostname --pretty 'prometheus'

sudo systemctl list-units --state='failed'

sudo systemctl hybrid-sleep && exit

# Check how much space is taken up by logs
sudo journalctl --disk-usage
sudo du -sh '/var/log/journal'

# Rotate journal files.
# Marks the journal logs currently active as archive, and creates fresh new logs.
sudo journalctl --rotate

# Delete journal entries older than some time
sudo journalctl --vacuum-time='2d'

# Restrict logs up to some size.
# Deletes log files until the disk space they take falls below the specified size.
sudo journalctl --vacuum-size='100M'