[Bug 1790205] Re: systemd journals take up too much space, aren't vacuumed automatically

[Tom Reynolds]

Not breached here:

$ journalctl -b -u systemd-journald.service -n 1
-- Logs begin at Sat 2018-09-29 05:03:28 CEST, end at Thu 2019-03-21 18:18:38 CET. --
Mar 20 13:32:03 debby2017 systemd-journald[699]: System journal (/var/log/journal/f8b692c8bb791fe2804f3d5a5905148b) is 1.8G, max 1.8G, 0B free.

$ journalctl --disk-usage
Archived and active journals take up 1.8G in the file system.

However, with systemd-journald persistence enabled, and classic logging
daemons not removed (and still logging) on upgrades, you can end up with
much data stored in /var/log, a lot more than there used to be in the
past, which could cause problems, also (but not only) if combined with
bug 1785321.

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https://bugs.launchpad.net/bugs/1790205

Title:
  systemd journals take up too much space, aren't vacuumed automatically

Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  After running Bionic for 3 months, I had 2.6 GB of journals.

  I would not expect from a normal desktop user that they should have to
  run commands like `sudo journalctl --vacuum-time=10d`.

  I would nominate this command as a sane default to have running at
  each reboot to ensure that logs do not exceed 500 MB:

  sudo journalctl --vacuum-size=500M

  Supposedly, a server should by default retain more logs, so perhaps
  this should be implemented through a configuration package "systemd-
  configuration-desktop" as a dependency of the ubuntu-desktop meta
  package?

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