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docs: say that journalctl --flush/--sync also require journald

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https://github.com/systemd/systemd/pull/14549#pullrequestreview-341758182
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Zbigniew Jędrzejewski-Szmek 2020-01-13 15:28:25 +01:00
parent 89f3ba7995
commit 0a5a8f13b4
1 changed files with 5 additions and 3 deletions
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8
docs/PORTABILITY_AND_STABILITY.md
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@ -155,6 +155,8 @@ without communicating with the `systemd` process:
Many other programs support operation without the system manager except when
the specific functionality requires such communication. For example
`journalctl` operates almost independently, but will query the boot id when
`--boot` option is used. `systemd-journal-remote`, `systemd-journal-upload`,
`systemd-journal-gatewayd`, `coredumpctl`, `busctl`, `systemctl --root` also
fall into this category.
`--boot` option is used; it also requires `systemd-journald` (and thus
`systemd`) to be running for options like `--flush` and `--sync`.
`systemd-journal-remote`, `systemd-journal-upload`, `systemd-journal-gatewayd`,
`coredumpctl`, `busctl`, `systemctl --root` also fall into this category of
mostly-independent programs.