man: merge systemd-verify with systemd-analyze
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
2c12a402cb
commit
142c4ecaa9
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@ -92,7 +92,6 @@ MANPAGES += \
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man/systemd-udevd.service.8 \
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man/systemd-update-done.service.8 \
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man/systemd-update-utmp.service.8 \
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man/systemd-verify.1 \
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man/systemd.1 \
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man/systemd.automount.5 \
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man/systemd.device.5 \
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@ -1659,7 +1658,6 @@ EXTRA_DIST += \
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man/systemd-update-utmp.service.xml \
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man/systemd-user-sessions.service.xml \
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man/systemd-vconsole-setup.service.xml \
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man/systemd-verify.xml \
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man/systemd.automount.xml \
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man/systemd.device.xml \
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man/systemd.directives.xml \
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@ -95,6 +95,12 @@
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<arg choice="plain">set-log-level</arg>
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<arg choice="opt"><replaceable>LEVEL</replaceable></arg>
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</cmdsynopsis>
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<cmdsynopsis>
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<command>systemd-analyze</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="plain">verify</arg>
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<arg choice="opt" rep="repeat"><replaceable>FILES</replaceable></arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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@ -103,7 +109,8 @@
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<para><command>systemd-analyze</command> may be used
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to determine system boot-up performance statistics and
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retrieve other state and tracing information from the
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system and service manager.</para>
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system and service manager, and to verify the
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correctness of unit files.</para>
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<para><command>systemd-analyze time</command>
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prints the time spent in the kernel before
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@ -171,6 +178,17 @@
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described in
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>).</para>
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<para><command>systemd-analyze verify</command> will
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load unit files and print warnings if any errors are
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detected. Files specified on the command line will be
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loaded, but also any other units referenced by
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them. This command works by prepending the directories
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for all command line arguments at the beginning of the
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unit load path, which means that all units files found
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in those directories will be used in preference to the
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unit files found in the standard locations, even if
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not listed explicitly.</para>
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<para>If no command is passed, <command>systemd-analyze
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time</command> is implied.</para>
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@ -185,17 +203,16 @@
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<varlistentry>
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<term><option>--user</option></term>
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<listitem><para>Shows performance data
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of user sessions instead of the system
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manager.</para></listitem>
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<listitem><para>Operates on the user
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systemd instance.</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--system</option></term>
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<listitem><para>Shows performance data
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of the system manager. This is the
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implied default.</para></listitem>
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<listitem><para>Operates on the system
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systemd instance. This is the implied
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default.</para></listitem>
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</varlistentry>
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<varlistentry>
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@ -257,6 +274,14 @@
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e.g. "50ms".</para></listitem>
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</varlistentry>
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<varlistentry>
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<term><option>--no-man</option></term>
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<listitem><para>Do not invoke man to verify the existence
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of man pages listen in <varname>Documentation=</varname>.
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</para></listitem>
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</varlistentry>
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<xi:include href="user-system-options.xml" xpointer="host" />
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<xi:include href="user-system-options.xml" xpointer="machine" />
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@ -275,20 +300,87 @@
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<title>Examples for <command>dot</command></title>
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<para>This plots all dependencies of any unit whose
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name starts with <literal>avahi-daemon.</literal>:</para>
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<example>
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<title>Plots all dependencies of any unit whose
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name starts with <literal>avahi-daemon</literal></title>
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<programlisting>$ systemd-analyze dot 'avahi-daemon.*' | dot -Tsvg > avahi.svg
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$ eog avahi.svg</programlisting>
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<programlisting>$ systemd-analyze dot 'avahi-daemon.*' | dot -Tsvg > avahi.svg
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$ eog avahi.svg</programlisting>
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</example>
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<para>This plots the dependencies between all known target units:</para>
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<example>
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<title>Plots the dependencies between all known target units</title>
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<programlisting>systemd-analyze dot --to-pattern='*.target' --from-pattern='*.target' | dot -Tsvg > targets.svg
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<programlisting>systemd-analyze dot --to-pattern='*.target' --from-pattern='*.target' | dot -Tsvg > targets.svg
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$ eog targets.svg</programlisting>
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</example>
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</refsect1>
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<refsect1>
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<title>Examples for <command>verify</command></title>
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<para>The following errors are currently detected:</para>
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<itemizedlist>
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<listitem><para>unknown sections and
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directives, </para></listitem>
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<listitem><para>missing dependencies which are
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required to start the given unit,
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</para></listitem>
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<listitem><para>man pages listed in
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<varname>Documentation=</varname> which are
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not found in the system,</para></listitem>
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<listitem><para>commands listed in
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<varname>ExecStart=</varname> and similar
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which are not found in the system or not
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executable.</para></listitem>
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</itemizedlist>
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<example>
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<title>Misspelt directives</title>
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<programlisting>$ cat ./user.slice
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[Unit]
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WhatIsThis=11
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Documentation=man:nosuchfile(1)
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Requires=different.service
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[Service]
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Desription=x
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$ systemd-verify ./user.slice
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[./user.slice:9] Unknown lvalue 'WhatIsThis' in section 'Unit'
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[./user.slice:13] Unknown section 'Service'. Ignoring.
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Error: org.freedesktop.systemd1.LoadFailed:
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Unit different.service failed to load:
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No such file or directory.
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Failed to create user.slice/start: Invalid argument
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user.slice: man nosuchfile(1) command failed with code 16
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</programlisting>
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</example>
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<example>
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<title>Missing service units</title>
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<programlisting>$ tail ./a.socket ./b.socket
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==> ./a.socket <==
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[Socket]
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ListenStream=100
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==> ./b.socket <==
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[Socket]
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ListenStream=100
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Accept=yes
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$ systemd-verify ./a.socket ./b.socket
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Service a.service not loaded, a.socket cannot be started.
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Service b@0.service not loaded, b.socket cannot be started.
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</programlisting>
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</example>
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</refsect1>
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<xi:include href="less-variables.xml" />
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@ -1,174 +0,0 @@
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<?xml version='1.0'?> <!--*-nxml-*-->
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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<!--
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This file is part of systemd.
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Copyright 2014 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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-->
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<refentry id="systemd-verify"
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xmlns:xi="http://www.w3.org/2001/XInclude">
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<refentryinfo>
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<title>systemd-verify</title>
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<productname>systemd</productname>
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<authorgroup>
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<author>
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<contrib>Developer</contrib>
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<firstname>Zbigniew</firstname>
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<surname>Jędrzejewski-Szmek</surname>
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<email>zbyszek@in.waw.pl</email>
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</author>
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</authorgroup>
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</refentryinfo>
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<refmeta>
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<refentrytitle>systemd-verify</refentrytitle>
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<manvolnum>1</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>systemd-verify</refname>
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<refpurpose>Check unit file validity</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<cmdsynopsis>
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<command>systemd-verify</command>
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<arg choice="opt" rep="repeat">OPTIONS</arg>
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<arg choice="opt" rep="repeat">FILES</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1>
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<title>Description</title>
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<para><filename>systemd-verify</filename> will load unit files and
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potentially print warnings if any errors are detected. Files
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specified on the command line will be loaded, but also any other
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units referenced by them.</para>
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<para>This command works by prepending the directories for all
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command line arguments at the beginning of the unit load path.
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This means that all units files found in those directories will
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be used in preference to the unit files found in the standard
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locations, even if not listed explicitly.</para>
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<para>The following errors are currently detected:</para>
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<itemizedlist>
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<listitem><para>unknown sections and directives,
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</para></listitem>
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<listitem><para>missing dependencies which are required to start
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the given unit,</para></listitem>
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<listitem><para>man pages listed in
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<varname>Documentation=</varname> which are not found in the
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system,</para></listitem>
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<listitem><para>commands listed in <varname>ExecStart=</varname>
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and similar which are not found in the system or not executable.
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</para></listitem>
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</itemizedlist>
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</refsect1>
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<refsect1>
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<title>Options</title>
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<para>The following options are understood:</para>
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<variablelist>
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<varlistentry>
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<term><option>--no-man</option></term>
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<listitem><para>Do not invoke man to verify the existence
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of man pages listen in <varname>Documentation=</varname>.
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</para></listitem>
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</varlistentry>
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<xi:include href="user-system-options.xml" xpointer="user" />
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<xi:include href="user-system-options.xml" xpointer="system" />
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<xi:include href="standard-options.xml" xpointer="help" />
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<xi:include href="standard-options.xml" xpointer="version" />
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</variablelist>
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</refsect1>
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<refsect1>
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<title>Exit status</title>
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<para>On success, 0 is returned, a non-zero failure
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code otherwise.</para>
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</refsect1>
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<refsect1>
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<title>Examples</title>
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<example>
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<title>Misspelt directives</title>
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<programlisting>$ cat ./user.slice
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[Unit]
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WhatIsThis=11
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Documentation=man:systemd.nosuchfile(7)
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Requires=different.service
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[Service]
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Desription=x
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$ systemd-verify ./user.slice
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[./user.slice:9] Unknown lvalue 'WhatIsThis' in section 'Unit'
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[./user.slice:13] Unknown section 'Service'. Ignoring.
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Error: org.freedesktop.systemd1.LoadFailed: Unit different.service failed to load: No such file or directory.
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Failed to create user.slice/start: Invalid argument
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user.slice: man systemd.nosuchfile(7) command failed with code 16
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</programlisting>
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</example>
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<example>
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<title>Missing service units</title>
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<programlisting>$ tail ./a.socket ./b.socket
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==> ./a.socket <==
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[Socket]
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ListenStream=100
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==> ./b.socket <==
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[Socket]
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ListenStream=100
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Accept=yes
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$ systemd-verify ./a.socket ./b.socket
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Service a.service not loaded, a.socket cannot be started.
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Service b@0.service not loaded, b.socket cannot be started.
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</programlisting>
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</example>
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</refsect1>
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<refsect1>
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<title>See Also</title>
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<para>
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<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
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<citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>
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</para>
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</refsect1>
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</refentry>
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