SystemD
Journal
Manage size
Source
https://www.linuxuprising.com/2019/10/how-to-clean-up-systemd-journal-logs.html
Get space used by journal:
journalctl --disk-usage
Remove journals older than a day
sudo journalctl --rotate sudo journalctl --vacuum-time=1d
Utils
SystemD timer generator
Url
https://systemd-timer.havrlent.com/
Articles
Linux Fu: Getting started with SystemD
https://hackaday.com/2024/04/11/linux-fu-getting-started-with-systemd/