]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - man/systemd-journal-remote.xml
util-lib: kill duplicate slashes in lookup paths
[thirdparty/systemd.git] / man / systemd-journal-remote.xml
index 972c3227e4804a15e43d5ddd920d3c463ea4631f..ba88df535b09fdecd1ef067a73b1d6b935358729 100644 (file)
@@ -1,27 +1,30 @@
-<?xml version='1.0'?> <!--*-nxml-*-->
+<?xml version='1.0'?> <!--*- Mode: nxml; nxml-child-indent: 2; indent-tabs-mode: nil -*-->
 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <!--
-This file is part of systemd.
+  SPDX-License-Identifier: LGPL-2.1+
 
-Copyright 2012 Zbigniew JÄ™drzejewski-Szmek
+  This file is part of systemd.
 
-systemd is free software; you can redistribute it and/or modify it
-under the terms of the GNU Lesser General Public License as published by
-the Free Software Foundation; either version 2.1 of the License, or
-(at your option) any later version.
+  Copyright 2012 Zbigniew JÄ™drzejewski-Szmek
 
-systemd is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Lesser General Public License for more details.
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
 
-You should have received a copy of the GNU Lesser General Public License
-along with systemd; If not, see <http://www.gnu.org/licenses/>.
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
 -->
 
-<refentry id="systemd-journal-remote" conditional='HAVE_MICROHTTPD'>
+<refentry id="systemd-journal-remote" conditional='HAVE_MICROHTTPD'
+          xmlns:xi="http://www.w3.org/2001/XInclude">
 
   <refentryinfo>
     <title>systemd-journal-remote</title>
@@ -44,14 +47,14 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
 
   <refnamediv>
     <refname>systemd-journal-remote</refname>
-    <refpurpose>Stream journal messages over the network</refpurpose>
+    <refpurpose>Receive journal messages over the network</refpurpose>
   </refnamediv>
 
   <refsynopsisdiv>
     <cmdsynopsis>
       <command>systemd-journal-remote</command>
       <arg choice="opt" rep="repeat">OPTIONS</arg>
-      <arg choice="opt" rep="norepeat">-o/--output=DIR|FILE</arg>
+      <arg choice="opt" rep="norepeat">-o/--output=<replaceable>DIR</replaceable>|<replaceable>FILE</replaceable></arg>
       <arg choice="opt" rep="repeat">SOURCES</arg>
     </cmdsynopsis>
   </refsynopsisdiv>
@@ -62,12 +65,14 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
     <para>
       <filename>systemd-journal-remote</filename> is a command to
       receive serialized journal events and store them to the journal.
-      Input streams must be in the
-      <ulink url="http://www.freedesktop.org/wiki/Software/systemd/export">
+      Input streams are in the
+      <ulink url="https://www.freedesktop.org/wiki/Software/systemd/export">
         Journal Export Format
       </ulink>,
       i.e. like the output from
-      <command>journalctl --output=export</command>.
+      <command>journalctl --output=export</command>. For transport over
+      the network, this serialized stream is usually carried over an
+      HTTPS connection.
     </para>
   </refsect1>
 
@@ -103,6 +108,8 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
 
     <variablelist>
       <varlistentry>
+        <term><arg choice="opt" rep="repeat">SOURCES</arg></term>
+
         <listitem><para>When <option>-</option> is given as a
         positional argument, events will be read from standard input.
         Other positional arguments will be treated as filenames
@@ -118,8 +125,22 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
         <replaceable>ADDRESS</replaceable>. This URL should refer to the
         root of a remote
         <citerefentry><refentrytitle>systemd-journal-gatewayd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
-        instance (e.g. <ulink>http://some.host:19531/</ulink> or
-        <ulink>https://some.host:19531/</ulink>).</para></listitem>
+        instance, e.g. http://some.host:19531/ or
+        https://some.host:19531/.</para></listitem>
+      </varlistentry>
+
+      <varlistentry>
+        <term><option>--getter='<replaceable>PROG</replaceable> <arg choice="opt" rep="repeat">OPTIONS</arg>'</option></term>
+
+        <listitem><para>Program to invoke to retrieve data. The journal
+        event stream must be generated on standard output.</para>
+
+        <para>Examples:</para>
+
+        <programlisting>--getter='curl "-HAccept: application/vnd.fdo.journal" https://some.host:19531/'</programlisting>
+
+        <programlisting>--getter='wget --header="Accept: application/vnd.fdo.journal" -O- https://some.host:19531/'</programlisting>
+        </listitem>
       </varlistentry>
     </variablelist>
 
@@ -153,7 +174,7 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
         <varname>$LISTEN_FDS</varname>/<varname>$LISTEN_PID</varname>.
         In the second case, an HTTP or HTTPS server will be spawned on
         this port, respectively for <option>--listen-http</option> and
-        <option>--listen-https</option>. Currenntly, only POST requests
+        <option>--listen-https</option>. Currently, only POST requests
         to <filename>/upload</filename> with <literal>Content-Type:
         application/vnd.fdo.journal</literal> are supported.</para>
         </listitem>
@@ -191,10 +212,10 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
       <varlistentry>
         <term><option>--output=<replaceable>FILE</replaceable></option></term>
 
-        <listitem><para>Will write to this journal. The filename must
-        end with <filename>.journal</filename>. The file will be
-        created if it does not exist. If necessary (journal file
-        full, or corrupted), the file will be renamed following normal
+        <listitem><para>Will write to this journal file. The filename
+        must end with <filename>.journal</filename>. The file will be
+        created if it does not exist. If necessary (journal file full,
+        or corrupted), the file will be renamed following normal
         journald rules and a new journal file will be created in its
         stead.</para></listitem>
       </varlistentry>
@@ -211,24 +232,19 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
       </varlistentry>
     </variablelist>
 
-    <para>If <option>--output=</option> is not used, the output directory
-    <filename>/var/log/journal/<replaceable>machine-id</replaceable>/</filename>
-    will be used, where <replaceable>machine-id</replaceable> is the
-    identifier of the current system (see
-    <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
-    In case the output file is not specified, journal files will be
-    created underneath the selected directory. Files will be called
-    <filename>remote-<replaceable>variable</replaceable>.journal</filename>,
-    where the <replaceable>variable</replaceable> part is generated
-    based on what passive and active sources are specified. It is
-    recommended to give a full output filename.</para>
-
-    <para>In case of "active" sources, if the hostname is known, it
-    will be used in the <replaceable>variable</replaceable> part.
-    Otherwise, local address and port number will be used, or
-    <literal>stdin</literal> for events passed over standard
-    input, and <literal>multiple</literal> if more than one source
-    is specified.</para>
+    <para>If <option>--output=</option> is not used, the output
+    directory <filename>/var/log/journal/remote/</filename> will be
+    used.  In case the output file is not specified, journal files
+    will be created underneath the selected directory. Files will be
+    called
+    <filename>remote-<replaceable>hostname</replaceable>.journal</filename>,
+    where the <replaceable>hostname</replaceable> part is the
+    escaped hostname of the source endpoint of the connection, or the
+    numerical address if the hostname cannot be determined.</para>
+
+    <para>In the case that "active" sources are given by the positional
+    arguments or <option>--getter=</option> option, the output file name
+    must always be given explicitly.</para>
   </refsect1>
 
   <refsect1>
@@ -238,50 +254,38 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
 
     <variablelist>
       <varlistentry>
-        <term><option>--help</option></term>
-        <term><option>-h</option></term>
-
-        <listitem><para>Print a short help
-        text and exit.</para></listitem>
-      </varlistentry>
-
-      <varlistentry>
-        <term><option>--version</option></term>
-
-        <listitem><para>Print a short version
-        string and exit.</para></listitem>
-      </varlistentry>
-
-      <varlistentry>
-        <term><option>--compress</option></term>
-        <term><option>--no-compress</option></term>
-
-        <listitem><para>Compress or not, respectively, the data in the
-        journal using XZ.</para></listitem>
+        <term><option>--split-mode</option></term>
+
+        <listitem><para>One of <constant>none</constant> or
+        <constant>host</constant>. For the first, only one output
+        journal file is used. For the latter, a separate output file
+        is used, based on the hostname of the other endpoint of a
+        connection.</para>
+
+        <para>In the case that "active" sources are given by the positional
+        arguments or <option>--getter=</option> option, the output file name must
+        always be given explicitly and only <constant>none</constant>
+        is allowed.</para></listitem>
       </varlistentry>
 
       <varlistentry>
-        <term><option>--seal</option></term>
-        <term><option>--no-seal</option></term>
+        <term><option>--compress</option> [<replaceable>BOOL</replaceable>]</term>
 
-        <listitem><para>Periodically sign or not, respectively, the
-        data in the journal using Forward Secure Sealing.
+        <listitem><para>If this is set to <literal>yes</literal> then compress
+        the data in the journal using XZ. The default is <literal>yes</literal>.
         </para></listitem>
       </varlistentry>
 
       <varlistentry>
-        <term><option>--getter=<replaceable>PROG --option1 --option2</replaceable></option></term>
-
-        <listitem><para>Program to invoke to retrieve data. The journal
-        event stream must be generated on standard output.</para>
-
-        <para>Examples:</para>
-
-        <programlisting>--getter='curl "-HAccept: application/vnd.fdo.journal" https://some.host:19531/'</programlisting>
+        <term><option>--seal</option> [<replaceable>BOOL</replaceable>]</term>
 
-        <programlisting>--getter='wget --header="Accept: application/vnd.fdo.journal" -O- https://some.host:19531/'</programlisting>
-        </listitem>
+        <listitem><para>If this is set to <literal>yes</literal> then
+        periodically sign the data in the journal using Forward Secure Sealing.
+        The default is <literal>no</literal>.</para></listitem>
       </varlistentry>
+
+      <xi:include href="standard-options.xml" xpointer="help" />
+      <xi:include href="standard-options.xml" xpointer="version" />
     </variablelist>
   </refsect1>
 
@@ -289,26 +293,37 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>.
     <title>Examples</title>
     <para>Copy local journal events to a different journal directory:
     <programlisting>
-journalctl -o export | systemd-journal-remote -o /tmp/dir -
+journalctl -o export | systemd-journal-remote -o /tmp/dir/foo.journal -
     </programlisting>
     </para>
 
-    <para>Retrieve events from a remote
+    <para>Retrieve all available events from a remote
     <citerefentry><refentrytitle>systemd-journal-gatewayd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
     instance and store them in
-    <filename>/var/log/journal/some.host/remote-some~host.journal</filename>:
+    <filename>/var/log/journal/remote/remote-some.host.journal</filename>:
     <programlisting>
 systemd-journal-remote --url http://some.host:19531/
     </programlisting>
     </para>
-  </refsect1>
+
+    <para>Retrieve current boot events and wait for new events from a remote
+    <citerefentry><refentrytitle>systemd-journal-gatewayd</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+    instance, and store them in
+    <filename>/var/log/journal/remote/remote-some.host.journal</filename>:
+    <programlisting>
+systemd-journal-remote --url http://some.host:19531/entries?boot&amp;follow
+    </programlisting>
+    </para>
+</refsect1>
 
   <refsect1>
     <title>See Also</title>
     <para>
+      <citerefentry><refentrytitle>systemd-journal-upload</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
       <citerefentry><refentrytitle>journalctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
       <citerefentry><refentrytitle>systemd-journald.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
-      <citerefentry><refentrytitle>systemd-journal-gatewayd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
+      <citerefentry><refentrytitle>systemd-journal-gatewayd.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+      <citerefentry><refentrytitle>journal-remote.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
     </para>
   </refsect1>
 </refentry>