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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-08-12 00:34:45 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-08-12 00:38:03 -0400
commit0a1750934f58d72682f5f8d441a249f5e6f22c24 (patch)
tree956cc84e06f7c644e52e1dfe7f5a06715272d022 /man/journalctl.xml
parent16fefe9080fafa9e8a96248519f0623f3c7dc5b5 (diff)
downloadsystemd-0a1750934f58d72682f5f8d441a249f5e6f22c24.tar.gz
journalctl: allow --root argument for journal watching
It is useful to look at a (possibly inactive) container or other os tree with --root=/path/to/container. This is similar to specifying --directory=/path/to/container/var/log/journal --directory=/path/to/container/run/systemd/journal (if using --directory multiple times was allowed), but doesn't require as much typing.
Diffstat (limited to 'man/journalctl.xml')
-rw-r--r--man/journalctl.xml6
1 files changed, 4 insertions, 2 deletions
diff --git a/man/journalctl.xml b/man/journalctl.xml
index c448a29a51..63b4a267b8 100644
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -659,10 +659,12 @@
<term><option>--root=<replaceable>ROOT</replaceable></option></term>
<listitem><para>Takes a directory path as an argument. If
- specified, journalctl will operate on catalog file hierarchy
+ specified, journalctl will operate on journal directories and catalog file hierarchy
underneath the specified directory instead of the root
directory (e.g. <option>--update-catalog</option> will create
- <filename><replaceable>ROOT</replaceable>/var/lib/systemd/catalog/database</filename>).
+ <filename><replaceable>ROOT</replaceable>/var/lib/systemd/catalog/database</filename>,
+ and journal files under <filename><replaceable>ROOT</replaceable>/run/journal</filename>
+ or <filename><replaceable>ROOT</replaceable>/var/log/journal</filename> will be displayed).
</para></listitem>
</varlistentry>