/var/log/systemd is not a path used by systemd.... Could you please paste the output of:
$ journalctl -b -u systemd-journald.service | grep max ** Changed in: systemd (Ubuntu) Status: Confirmed => Invalid ** Changed in: systemd (Ubuntu) Status: Invalid => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1753361 Title: Please set a maximum size for the sytemd journal Status in systemd package in Ubuntu: Incomplete Bug description: I noticed today that /var/log/systemd/journal/ was taking up 4.5 GB of space. Please set a default maximum size for the journal, especially for desktop users. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1753361/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp