untested. partial sandboxing.

Fix for #147

- Adds support for missing options in the /etc/log2ram.conf (USE_RSYNC and MAIL)
- apt-key command has been deprecated, as mentioned by issue #179. Changing it to use a keyring in /usr/share/keyrings

Restore RSYNC for backwards compatibility

fix #181

No obvious, should fix the issue

Merge pull request #166 from fleopaulD/master

Update README.md

Restart journald command

Merge pull request #164 from pb66/patch-1

Need to use `sudo apt` if not root user. proceeding 2 lines already incorporate `sudo` commands so for consistency these lines should be `sudo` too.

Update ansible playbook

Use new trusted.gpg.d keyring for apt key, improve idempotency,
only update cache when necessary, only restart service when necessary.

- Move "Is it working?" section to after "Install"
- Adjust "Is it working?" a bit, mention "systemctl status"
- Wording
- Add Troubleshooting section with journal cleanup tips

Merge pull request #156 from smu/master

fix #135

preparing new version

daily hit in the same time as logrotate.

* Add quotes and support path with spaces
* Using findmnt instead of mount | grep
findmnt is part of util-linux and should be available on almost all systems

Typo fixed

Merge pull request #117 from HorlogeSkynet/feature/systemd_timer

Co-authored-by: emwe1 <emwe1@users.noreply.github.com>

> Closes #84
> Closes #77

Merge pull request #111 from organic-ip/master