<refsynopsisdiv>
<cmdsynopsis>
- <command>journalctl <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="opt" rep="repeat">MATCHES</arg></command>
+ <command>journalctl</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ <arg choice="opt" rep="repeat">MATCHES</arg>
</cmdsynopsis>
</refsynopsisdiv>
<variablelist>
<varlistentry>
- <term><option>--help</option></term>
<term><option>-h</option></term>
+ <term><option>--help</option></term>
<listitem><para>Prints a short help
text and exits.</para></listitem>
</varlistentry>
<varlistentry>
- <term><option>--all</option></term>
<term><option>-a</option></term>
+ <term><option>--all</option></term>
<listitem><para>Show all fields in
full, even if they include unprintable
</varlistentry>
<varlistentry>
- <term><option>--follow</option></term>
<term><option>-f</option></term>
+ <term><option>--follow</option></term>
<listitem><para>Show only the most recent
journal entries, and continuously print
</varlistentry>
<varlistentry>
- <term><option>--lines=</option></term>
+ <term><option>-e</option></term>
+ <term><option>--pager-end</option></term>
+
+ <listitem><para>Immediately jump to
+ the end of the journal inside the
+ implied pager tool. This implies
+ <option>-n1000</option> to guarantee
+ that the pager won't buffer logs of
+ unbounded size. This may be overridden
+ with an explicit <option>-n</option>
+ with some other numeric value on the
+ command line. Note that this option is
+ only supported for the
+ <citerefentry><refentrytitle>less</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ pager.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-n</option></term>
+ <term><option>--lines=</option></term>
<listitem><para>Show the most recent
journal events and limit the number of
</varlistentry>
<varlistentry>
- <term><option>--output=</option></term>
+ <term><option>-r</option></term>
+ <term><option>--reverse</option></term>
+
+ <listitem><para>Reverse output, so the newest
+ entries are displayed first.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-o</option></term>
+ <term><option>--output=</option></term>
<listitem><para>Controls the
formatting of the journal entries that
</varlistentry>
<varlistentry>
- <term><option>--catalog</option></term>
<term><option>-x</option></term>
+ <term><option>--catalog</option></term>
<listitem><para>Augment log lines with
explanation texts from the message
</varlistentry>
<varlistentry>
- <term><option>--quiet</option></term>
<term><option>-q</option></term>
+ <term><option>--quiet</option></term>
<listitem><para>Suppresses any warning
message regarding inaccessible system
</varlistentry>
<varlistentry>
- <term><option>--merge</option></term>
<term><option>-m</option></term>
+ <term><option>--merge</option></term>
<listitem><para>Show entries
interleaved from all available
</varlistentry>
<varlistentry>
- <term><option>--this-boot</option></term>
<term><option>-b</option></term>
+ <term><option>--this-boot</option></term>
<listitem><para>Show data only from
current boot. This will add a match
</varlistentry>
<varlistentry>
- <term><option>--unit=</option></term>
+ <term><option>-k</option></term>
+ <term><option>--dmesg</option></term>
+
+ <listitem><para>Show kernel messages from
+ current boot. This implies <option>-b</option>
+ and adds the match <literal>_TRANSPORT=kernel</literal>.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-u</option></term>
+ <term><option>--unit=</option></term>
- <listitem><para>Show data only of the
- specified unit. This will add a match
- for <literal>_SYSTEMD_UNIT=</literal>
- for the specified
- unit.</para></listitem>
+ <listitem><para>Show messages for the
+ specified systemd unit. This will add
+ a match for messages from the unit
+ (<literal>_SYSTEMD_UNIT=</literal>)
+ and additional matches for messages
+ from systemd and messages about
+ coredumps for the specified unit.</para>
+ <para>This parameter can be specified multiple times.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--user-unit=</option></term>
+
+ <listitem><para>Show messages for the
+ specified user session unit. This will
+ add a match for messages from the unit
+ (<literal>_SYSTEMD_USER_UNIT=</literal>
+ and <literal>_UID=</literal>) and
+ additional matches for messages from
+ session systemd and messages about
+ coredumps for the specified unit.</para>
+ <para>This parameter can be specified multiple times.
+ </para></listitem>
</varlistentry>
<varlistentry>
</varlistentry>
<varlistentry>
- <term><option>--cursor=</option></term>
<term><option>-c</option></term>
+ <term><option>--cursor=</option></term>
<listitem><para>Start showing entries
from the location in the journal
</varlistentry>
<varlistentry>
- <term><option>--field=</option></term>
<term><option>-F</option></term>
+ <term><option>--field=</option></term>
<listitem><para>Print all possible
data values the specified field can
</varlistentry>
<varlistentry>
- <term><option>--directory=</option></term>
+ <term><option>--system</option></term>
+ <term><option>--user</option></term>
+
+ <listitem><para>Show messages from
+ system services and the kernel (with
+ <option>--system</option>). Show
+ messages from service of current user
+ (with <option>--user</option>).
+ If neither is specified, show all
+ messages that the user can see.
+ </para></listitem>
+ </varlistentry>
+
+ <varlistentry>
<term><option>-D</option></term>
+ <term><option>--directory=</option></term>
- <listitem><para>Takes an absolute
+ <listitem><para>Takes a
directory path as argument. If
specified journalctl will operate on the
specified journal directory instead of
paths.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>--root=<replaceable>ROOT</replaceable></option></term>
+
+ <listitem><para>Takes a directory path
+ as argument. If specified journalctl
+ will operate on 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>).
+ </para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><option>--new-id128</option></term>
</varlistentry>
<varlistentry>
- <term><option>--list-catalog</option></term>
+ <term><option>--list-catalog
+ <optional><replaceable>ID128...</replaceable></optional>
+ </option></term>
<listitem><para>List the contents of
the message catalog, as table of
message IDs plus their short
- description strings.</para></listitem>
+ description strings.</para>
+
+ <para>If any
+ <replaceable>ID128</replaceable>s are
+ specified, only those entries are shown.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--dump-catalog
+ <optional><replaceable>ID128...</replaceable></optional>
+ </option></term>
+
+ <listitem><para>Show the contents of
+ the message catalog, with entries
+ separated by a line consisting of two
+ dashes and the id (the format is the
+ same as <filename>.catalog</filename>
+ files.</para>
+
+ <para>If any
+ <replaceable>ID128</replaceable>s are
+ specified, only those entries are shown.
+ </para>
+ </listitem>
</varlistentry>
<varlistentry>
<programlisting>journalctl /usr/bin/dbus-daemon</programlisting>
- <para>Show all logs of the kernel device node <filename>/dev/sda</filename>:</para>
+ <para>Show all logs of the kernel device node <filename noindex='true'>/dev/sda</filename>:</para>
<programlisting>journalctl /dev/sda</programlisting>
~ianmdlvl / elogind.git / blobdiff