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man: reindent tmpfiles.d(5)
Reindent to 2 spaces, use more markup.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
42d8fafc4b
commit
302fbdf29e
@ -21,575 +21,483 @@
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-->
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-->
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<refentry id="tmpfiles.d">
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<refentry id="tmpfiles.d">
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<refentryinfo>
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<refentryinfo>
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<title>tmpfiles.d</title>
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<title>tmpfiles.d</title>
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<productname>systemd</productname>
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<productname>systemd</productname>
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<authorgroup>
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<authorgroup>
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<author>
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<author>
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<contrib>Documentation</contrib>
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<contrib>Documentation</contrib>
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<firstname>Brandon</firstname>
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<firstname>Brandon</firstname>
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<surname>Philips</surname>
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<surname>Philips</surname>
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<email>brandon@ifup.org</email>
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<email>brandon@ifup.org</email>
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</author>
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</author>
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</authorgroup>
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</authorgroup>
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</refentryinfo>
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</refentryinfo>
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<refmeta>
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<refmeta>
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<refentrytitle>tmpfiles.d</refentrytitle>
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<refentrytitle>tmpfiles.d</refentrytitle>
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<manvolnum>5</manvolnum>
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<manvolnum>5</manvolnum>
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</refmeta>
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</refmeta>
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<refnamediv>
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<refnamediv>
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<refname>tmpfiles.d</refname>
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<refname>tmpfiles.d</refname>
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<refpurpose>Configuration for creation, deletion and
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<refpurpose>Configuration for creation, deletion and cleaning of
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cleaning of volatile and temporary files</refpurpose>
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volatile and temporary files</refpurpose>
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</refnamediv>
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</refnamediv>
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<refsynopsisdiv>
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<refsynopsisdiv>
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<para><filename>/etc/tmpfiles.d/*.conf</filename></para>
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<para><filename>/etc/tmpfiles.d/*.conf</filename></para>
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<para><filename>/run/tmpfiles.d/*.conf</filename></para>
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<para><filename>/run/tmpfiles.d/*.conf</filename></para>
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<para><filename>/usr/lib/tmpfiles.d/*.conf</filename></para>
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<para><filename>/usr/lib/tmpfiles.d/*.conf</filename></para>
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</refsynopsisdiv>
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</refsynopsisdiv>
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<refsect1>
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<refsect1>
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<title>Description</title>
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<title>Description</title>
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<para><command>systemd-tmpfiles</command> uses the
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<para><command>systemd-tmpfiles</command> uses the configuration
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configuration files from the above directories to describe the
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files from the above directories to describe the creation,
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creation, cleaning and removal of volatile and
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cleaning and removal of volatile and temporary files and
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temporary files and directories which usually reside
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directories which usually reside in directories such as
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in directories such as <filename>/run</filename>
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<filename>/run</filename> or <filename>/tmp</filename>.</para>
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or <filename>/tmp</filename>.</para>
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<para>Volatile and temporary files and directories are
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<para>Volatile and temporary files and directories are those
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those located in <filename>/run</filename> (and its
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located in <filename>/run</filename> (and its alias
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alias <filename>/var/run</filename>),
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<filename>/var/run</filename>), <filename>/tmp</filename>,
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<filename>/tmp</filename>,
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<filename>/var/tmp</filename>, the API file systems such as
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<filename>/var/tmp</filename>, the API file systems
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<filename>/sys</filename> or <filename>/proc</filename>, as well
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such as <filename>/sys</filename> or
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as some other directories below <filename>/var</filename>.</para>
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<filename>/proc</filename>, as well as some other
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directories below <filename>/var</filename>.</para>
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<para>System daemons frequently require private
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<para>System daemons frequently require private runtime
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runtime directories below <filename>/run</filename> to
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directories below <filename>/run</filename> to place communication
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place communication sockets and similar in. For these,
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sockets and similar in. For these, consider declaring them in
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consider declaring them in their unit files using
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their unit files using <varname>RuntimeDirectory=</varname> (see
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<varname>RuntimeDirectory=</varname>
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<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
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(see <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details),
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for details), if this is feasible.</para>
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if this is feasible.</para>
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</refsect1>
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</refsect1>
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<refsect1>
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<refsect1>
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<title>Configuration Format</title>
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<title>Configuration Format</title>
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<para>Each configuration file shall be named in the
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<para>Each configuration file shall be named in the style of
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style of
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<filename><replaceable>package</replaceable>.conf</filename> or
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<filename><replaceable>package</replaceable>.conf</filename>
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<filename><replaceable>package</replaceable>-<replaceable>part</replaceable>.conf</filename>.
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or
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The second variant should be used when it is desirable to make it
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<filename><replaceable>package</replaceable>-<replaceable>part</replaceable>.conf</filename>.
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easy to override just this part of configuration.</para>
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The second variant should be used when it is desirable
|
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to make it easy to override just this part of
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configuration.</para>
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<para>Files in <filename>/etc/tmpfiles.d</filename>
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<para>Files in <filename>/etc/tmpfiles.d</filename> override files
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override files with the same name in
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with the same name in <filename>/usr/lib/tmpfiles.d</filename> and
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<filename>/usr/lib/tmpfiles.d</filename> and
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<filename>/run/tmpfiles.d</filename>. Files in
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<filename>/run/tmpfiles.d</filename>. Files in
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<filename>/run/tmpfiles.d</filename> override files with the same
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<filename>/run/tmpfiles.d</filename> override files
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name in <filename>/usr/lib/tmpfiles.d</filename>. Packages should
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with the same name in
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install their configuration files in
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<filename>/usr/lib/tmpfiles.d</filename>. Packages
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<filename>/usr/lib/tmpfiles.d</filename>. Files in
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should install their configuration files in
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<filename>/etc/tmpfiles.d</filename> are reserved for the local
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<filename>/usr/lib/tmpfiles.d</filename>. Files in
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administrator, who may use this logic to override the
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<filename>/etc/tmpfiles.d</filename> are reserved for
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configuration files installed by vendor packages. All
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the local administrator, who may use this logic to
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configuration files are sorted by their filename in lexicographic
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override the configuration files installed by vendor
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order, regardless of which of the directories they reside in. If
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packages. All configuration files are sorted by their
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multiple files specify the same path, the entry in the file with
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filename in lexicographic order, regardless of which
|
the lexicographically earliest name will be applied. All other
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of the directories they reside in. If multiple files
|
conflicting entries will be logged as errors. When two lines are
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specify the same path, the entry in the file with the
|
prefix and suffix of each other, then the prefix is always
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lexicographically earliest name will be applied.
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processed first, the suffix later. Otherwise, the
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All other conflicting entries will be logged as
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files/directories are processed in the order they are
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errors. When two lines are prefix and suffix of each
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listed.</para>
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other, then the prefix is always processed first, the
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suffix later. Otherwise, the files/directories are
|
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processed in the order they are listed.</para>
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<para>If the administrator wants to disable a
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<para>If the administrator wants to disable a configuration file
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configuration file supplied by the vendor, the
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supplied by the vendor, the recommended way is to place a symlink
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recommended way is to place a symlink to
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to <filename>/dev/null</filename> in
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<filename>/dev/null</filename> in
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<filename>/etc/tmpfiles.d/</filename> bearing the same filename.
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<filename>/etc/tmpfiles.d/</filename> bearing the
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</para>
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same filename.</para>
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<para>The configuration format is one line per path
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<para>The configuration format is one line per path containing
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containing type, path, mode, ownership, age, and argument
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type, path, mode, ownership, age, and argument fields:</para>
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fields:</para>
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<programlisting>#Type Path Mode UID GID Age Argument
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<programlisting>#Type Path Mode UID GID Age Argument
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d /run/user 0755 root root 10d -
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d /run/user 0755 root root 10d -
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L /tmp/foobar - - - - /dev/null</programlisting>
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L /tmp/foobar - - - - /dev/null</programlisting>
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<refsect2>
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<refsect2>
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<title>Type</title>
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<title>Type</title>
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|
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<para>The type consists of a single letter and
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<para>The type consists of a single letter and optionally an
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optionally an exclamation mark.</para>
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exclamation mark.</para>
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|
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<para>The following line types are understood:</para>
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<para>The following line types are understood:</para>
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<variablelist>
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<variablelist>
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<varlistentry>
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<varlistentry>
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<term><varname>f</varname></term>
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<term><varname>f</varname></term>
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<listitem><para>Create a file if it does not exist yet. If the argument parameter is given, it will be written to the file.</para></listitem>
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<listitem><para>Create a file if it does not exist yet. If
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</varlistentry>
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the argument parameter is given, it will be written to the
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|
file.</para></listitem>
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</varlistentry>
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<varlistentry>
|
<varlistentry>
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<term><varname>F</varname></term>
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<term><varname>F</varname></term>
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<listitem><para>Create or truncate a file. If the argument parameter is given, it will be written to the file.</para></listitem>
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<listitem><para>Create or truncate a file. If the argument
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</varlistentry>
|
parameter is given, it will be written to the file.</para>
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|
</listitem>
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|
</varlistentry>
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<varlistentry>
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<varlistentry>
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<term><varname>w</varname></term>
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<term><varname>w</varname></term>
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<listitem><para>Write the argument parameter to a file, if the file exists.
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<listitem><para>Write the argument parameter to a file, if
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Lines of this type accept shell-style globs in place of normal path
|
the file exists. Lines of this type accept shell-style
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names. The argument parameter will be written without a trailing
|
globs in place of normal path names. The argument parameter
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newline. C-style backslash escapes are interpreted.</para></listitem>
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will be written without a trailing newline. C-style
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</varlistentry>
|
backslash escapes are interpreted.</para></listitem>
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|
</varlistentry>
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|
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<varlistentry>
|
<varlistentry>
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<term><varname>d</varname></term>
|
<term><varname>d</varname></term>
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<listitem><para>Create a directory if it does not exist yet.</para></listitem>
|
<listitem><para>Create a directory if it does not exist yet.
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</varlistentry>
|
</para></listitem>
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|
</varlistentry>
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|
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<varlistentry>
|
<varlistentry>
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<term><varname>D</varname></term>
|
<term><varname>D</varname></term>
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<listitem><para>Create or empty a directory.</para></listitem>
|
<listitem><para>Create or empty a directory.</para></listitem>
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</varlistentry>
|
</varlistentry>
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|
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<varlistentry>
|
<varlistentry>
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<term><varname>v</varname></term>
|
<term><varname>v</varname></term>
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<listitem><para>Create a
|
<listitem><para>Create a subvolume if the path does not
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subvolume if the path does not
|
exist yet and the file system supports this
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exist yet and the file system
|
(btrfs). Otherwise create a normal directory, in the same
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supports this (btrfs). Otherwise
|
way as <varname>d</varname>.</para></listitem>
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create a normal directory, in
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</varlistentry>
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the same way as
|
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<varname>d</varname>.</para></listitem>
|
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</varlistentry>
|
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|
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<varlistentry>
|
<varlistentry>
|
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<term><varname>p</varname></term>
|
<term><varname>p</varname></term>
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<term><varname>p+</varname></term>
|
<term><varname>p+</varname></term>
|
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<listitem><para>Create a named
|
<listitem><para>Create a named pipe (FIFO) if it does not
|
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pipe (FIFO) if it does not
|
exist yet. If suffixed with <varname>+</varname> and a file
|
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exist yet. If suffixed with
|
already exists where the pipe is to be created, it will be
|
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<varname>+</varname> and a
|
removed and be replaced by the pipe.</para></listitem>
|
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file already exists where the
|
</varlistentry>
|
||||||
pipe is to be created, it will
|
|
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be removed and be replaced by
|
|
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the pipe.</para></listitem>
|
|
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</varlistentry>
|
|
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|
|
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<varlistentry>
|
<varlistentry>
|
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<term><varname>L</varname></term>
|
<term><varname>L</varname></term>
|
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<term><varname>L+</varname></term>
|
<term><varname>L+</varname></term>
|
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<listitem><para>Create a
|
<listitem><para>Create a symlink if it does not exist
|
||||||
symlink if it does not exist
|
yet. If suffixed with <varname>+</varname> and a file
|
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yet. If suffixed with
|
already exists where the symlink is to be created, it will
|
||||||
<varname>+</varname> and a
|
be removed and be replaced by the symlink. If the argument
|
||||||
file already exists where the
|
is omitted, symlinks to files with the same name residing in
|
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symlink is to be created, it
|
the directory <filename>/usr/share/factory/</filename> are
|
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will be removed and be
|
created.</para></listitem>
|
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replaced by the
|
</varlistentry>
|
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symlink. If the argument is omitted,
|
|
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symlinks to files with the same name
|
|
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residing in the directory
|
|
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<filename>/usr/share/factory/</filename>
|
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are created.</para></listitem>
|
|
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</varlistentry>
|
|
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|
|
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<varlistentry>
|
<varlistentry>
|
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<term><varname>c</varname></term>
|
<term><varname>c</varname></term>
|
||||||
<term><varname>c+</varname></term>
|
<term><varname>c+</varname></term>
|
||||||
<listitem><para>Create a
|
<listitem><para>Create a character device node if it does
|
||||||
character device node if it
|
not exist yet. If suffixed with <varname>+</varname> and a
|
||||||
does not exist yet. If
|
file already exists where the device node is to be created,
|
||||||
suffixed with
|
it will be removed and be replaced by the device node. It is
|
||||||
<varname>+</varname> and a
|
recommended to suffix this entry with an exclamation mark to
|
||||||
file already exists where the
|
only create static device nodes at boot, as udev will not
|
||||||
device node is to be created,
|
manage static device nodes that are created at runtime.
|
||||||
it will be removed and be
|
</para></listitem>
|
||||||
replaced by the device
|
</varlistentry>
|
||||||
node. It is recommended to suffix this
|
|
||||||
entry with an exclamation mark to only
|
|
||||||
create static device nodes at boot,
|
|
||||||
as udev will not manage static device
|
|
||||||
nodes that are created at runtime.
|
|
||||||
</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>b</varname></term>
|
<term><varname>b</varname></term>
|
||||||
<term><varname>b+</varname></term>
|
<term><varname>b+</varname></term>
|
||||||
<listitem><para>Create a block
|
<listitem><para>Create a block device node if it does not
|
||||||
device node if it does not
|
exist yet. If suffixed with <varname>+</varname> and a file
|
||||||
exist yet. If suffixed with
|
already exists where the device node is to be created, it
|
||||||
<varname>+</varname> and a
|
will be removed and be replaced by the device node. It is
|
||||||
file already exists where the
|
recommended to suffix this entry with an exclamation mark to
|
||||||
device node is to be created,
|
only create static device nodes at boot, as udev will not
|
||||||
it will be removed and be
|
manage static device nodes that are created at runtime.
|
||||||
replaced by the device
|
</para></listitem>
|
||||||
node. It is recommended to suffix this
|
</varlistentry>
|
||||||
entry with an exclamation mark to only
|
|
||||||
create static device nodes at boot,
|
|
||||||
as udev will not manage static device
|
|
||||||
nodes that are created at runtime.
|
|
||||||
</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>C</varname></term>
|
<term><varname>C</varname></term>
|
||||||
<listitem><para>Recursively
|
<listitem><para>Recursively copy a file or directory, if the
|
||||||
copy a file or directory, if
|
destination files or directories do not exist yet. Note that
|
||||||
the destination files or
|
this command will not descend into subdirectories if the
|
||||||
directories do not exist
|
destination directory already exists. Instead, the entire
|
||||||
yet. Note that this command
|
copy operation is skipped. If the argument is omitted, files
|
||||||
will not descend into
|
from the source directory
|
||||||
subdirectories if the
|
<filename>/usr/share/factory/</filename> with the same name
|
||||||
destination directory already
|
are copied.</para></listitem>
|
||||||
exists. Instead, the entire
|
</varlistentry>
|
||||||
copy operation is
|
|
||||||
skipped. If the argument is omitted,
|
|
||||||
files from the source directory
|
|
||||||
<filename>/usr/share/factory/</filename>
|
|
||||||
with the same name are copied.</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>x</varname></term>
|
<term><varname>x</varname></term>
|
||||||
<listitem><para>Ignore a path
|
<listitem><para>Ignore a path during cleaning. Use this type
|
||||||
during cleaning. Use this type
|
to exclude paths from clean-up as controlled with the Age
|
||||||
to exclude paths from clean-up
|
parameter. Note that lines of this type do not influence the
|
||||||
as controlled with the Age
|
effect of <varname>r</varname> or <varname>R</varname>
|
||||||
parameter. Note that lines of
|
lines. Lines of this type accept shell-style globs in place
|
||||||
this type do not influence the
|
of normal path names. </para></listitem>
|
||||||
effect of <varname>r</varname>
|
</varlistentry>
|
||||||
or <varname>R</varname> lines.
|
|
||||||
Lines of this type accept
|
|
||||||
shell-style globs in place of
|
|
||||||
normal path names.
|
|
||||||
</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>X</varname></term>
|
<term><varname>X</varname></term>
|
||||||
<listitem><para>Ignore a path
|
<listitem><para>Ignore a path during cleaning. Use this type
|
||||||
during cleaning. Use this type
|
to exclude paths from clean-up as controlled with the Age
|
||||||
to exclude paths from clean-up
|
parameter. Unlike <varname>x</varname>, this parameter will
|
||||||
as controlled with the Age
|
not exclude the content if path is a directory, but only
|
||||||
parameter. Unlike
|
directory itself. Note that lines of this type do not
|
||||||
<varname>x</varname>, this
|
influence the effect of <varname>r</varname> or
|
||||||
parameter will not exclude the
|
<varname>R</varname> lines. Lines of this type accept
|
||||||
content if path is a
|
shell-style globs in place of normal path names.
|
||||||
directory, but only directory
|
</para></listitem>
|
||||||
itself. Note that lines of
|
</varlistentry>
|
||||||
this type do not influence the
|
|
||||||
effect of <varname>r</varname>
|
|
||||||
or <varname>R</varname> lines.
|
|
||||||
Lines of this type accept
|
|
||||||
shell-style globs in place of
|
|
||||||
normal path names.
|
|
||||||
</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>r</varname></term>
|
<term><varname>r</varname></term>
|
||||||
<listitem><para>Remove a file
|
<listitem><para>Remove a file or directory if it exists.
|
||||||
or directory if it exists.
|
This may not be used to remove non-empty directories, use
|
||||||
This may not be used to remove
|
<varname>R</varname> for that. Lines of this type accept
|
||||||
non-empty directories, use
|
shell-style globs in place of normal path
|
||||||
<varname>R</varname> for that.
|
names.</para></listitem>
|
||||||
Lines of this type accept
|
</varlistentry>
|
||||||
shell-style globs in place of
|
|
||||||
normal path
|
|
||||||
names.</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>R</varname></term>
|
<term><varname>R</varname></term>
|
||||||
<listitem><para>Recursively
|
<listitem><para>Recursively remove a path and all its
|
||||||
remove a path and all its
|
subdirectories (if it is a directory). Lines of this type
|
||||||
subdirectories (if it is a
|
accept shell-style globs in place of normal path
|
||||||
directory). Lines of this type
|
names.</para></listitem>
|
||||||
accept shell-style globs in
|
</varlistentry>
|
||||||
place of normal path
|
|
||||||
names.</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>z</varname></term>
|
<term><varname>z</varname></term>
|
||||||
<listitem><para>Adjust the
|
<listitem><para>Adjust the access mode, group and user, and
|
||||||
access mode, group and user,
|
restore the SELinux security context of a file or directory,
|
||||||
and restore the SELinux security
|
if it exists. Lines of this type accept shell-style globs in
|
||||||
context of a file or directory,
|
place of normal path names. </para></listitem>
|
||||||
if it exists. Lines of this
|
</varlistentry>
|
||||||
type accept shell-style globs
|
|
||||||
in place of normal path names.
|
|
||||||
</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>Z</varname></term>
|
<term><varname>Z</varname></term>
|
||||||
<listitem><para>Recursively
|
<listitem><para>Recursively set the access mode, group and
|
||||||
set the access mode, group and
|
user, and restore the SELinux security context of a file or
|
||||||
user, and restore the SELinux
|
directory if it exists, as well as of its subdirectories and
|
||||||
security context of a file or
|
the files contained therein (if applicable). Lines of this
|
||||||
directory if it exists, as
|
type accept shell-style globs in place of normal path names.
|
||||||
well as of its subdirectories
|
</para></listitem>
|
||||||
and the files contained
|
</varlistentry>
|
||||||
therein (if applicable). Lines
|
|
||||||
of this type accept
|
|
||||||
shell-style globs in place of
|
|
||||||
normal path
|
|
||||||
names.</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
|
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>t</varname></term>
|
<term><varname>t</varname></term>
|
||||||
<listitem><para>Set extended
|
<listitem><para>Set extended attributes on item. It may be
|
||||||
attributes on item. It may be
|
used in conjunction with other types (only
|
||||||
used in conjunction with other
|
<varname>d</varname>, <varname>D</varname>,
|
||||||
types (only <varname>d</varname>,
|
<varname>f</varname>, <varname>F</varname>,
|
||||||
<varname>D</varname>, <varname>f</varname>,
|
<varname>L</varname>, <varname>p</varname>,
|
||||||
<varname>F</varname>, <varname>L</varname>,
|
<varname>c</varname>, <varname>b</varname>, makes sense).
|
||||||
<varname>p</varname>, <varname>c</varname>,
|
If used as a standalone line, then
|
||||||
<varname>b</varname>, makes sense).
|
<command>systemd-tmpfiles</command> will try to set extended
|
||||||
If used as a standalone line, then
|
attributes on specified path. This can be especially used
|
||||||
<command>systemd-tmpfiles</command>
|
to set SMACK labels. </para></listitem>
|
||||||
will try to set extended
|
</varlistentry>
|
||||||
attributes on specified path.
|
</variablelist>
|
||||||
This can be especially used to set
|
|
||||||
SMACK labels.
|
|
||||||
</para></listitem>
|
|
||||||
</varlistentry>
|
|
||||||
</variablelist>
|
|
||||||
|
|
||||||
<para>If the exclamation mark is used, this
|
<para>If the exclamation mark is used, this line is only safe of
|
||||||
line is only safe of execute during boot, and
|
execute during boot, and can break a running system. Lines
|
||||||
can break a running system. Lines without the
|
without the exclamation mark are presumed to be safe to execute
|
||||||
exclamation mark are presumed to be safe to
|
at any time, e.g. on package upgrades.
|
||||||
execute at any time, e.g. on package upgrades.
|
<command>systemd-tmpfiles</command> will execute line with an
|
||||||
<command>systemd-tmpfiles</command> will
|
exclamation mark only if option <option>--boot</option> is
|
||||||
execute line with an exclamation mark only if
|
given.</para>
|
||||||
option <option>--boot</option> is given.
|
|
||||||
</para>
|
|
||||||
|
|
||||||
<para>For example:
|
<para>For example:
|
||||||
<programlisting># Make sure these are created by default so that nobody else can
|
<programlisting># Make sure these are created by default so that nobody else can
|
||||||
d /tmp/.X11-unix 1777 root root 10d
|
d /tmp/.X11-unix 1777 root root 10d
|
||||||
|
|
||||||
# Unlink the X11 lock files
|
# Unlink the X11 lock files
|
||||||
r! /tmp/.X[0-9]*-lock</programlisting>
|
r! /tmp/.X[0-9]*-lock</programlisting>
|
||||||
The second line in contrast to the first one
|
The second line in contrast to the first one would break a
|
||||||
would break a running system, and will only be
|
running system, and will only be executed with
|
||||||
executed with <option>--boot</option>.</para>
|
<option>--boot</option>.</para>
|
||||||
</refsect2>
|
</refsect2>
|
||||||
|
|
||||||
<refsect2>
|
<refsect2>
|
||||||
<title>Path</title>
|
<title>Path</title>
|
||||||
|
|
||||||
<para>The file system path specification supports simple specifier
|
<para>The file system path specification supports simple
|
||||||
expansion. The following expansions are
|
specifier expansion. The following expansions are
|
||||||
understood:</para>
|
understood:</para>
|
||||||
|
|
||||||
<table>
|
<table>
|
||||||
<title>Specifiers available</title>
|
<title>Specifiers available</title>
|
||||||
<tgroup cols='3' align='left' colsep='1' rowsep='1'>
|
<tgroup cols='3' align='left' colsep='1' rowsep='1'>
|
||||||
<colspec colname="spec" />
|
<colspec colname="spec" />
|
||||||
<colspec colname="mean" />
|
<colspec colname="mean" />
|
||||||
<colspec colname="detail" />
|
<colspec colname="detail" />
|
||||||
<thead>
|
<thead>
|
||||||
<row>
|
<row>
|
||||||
<entry>Specifier</entry>
|
<entry>Specifier</entry>
|
||||||
<entry>Meaning</entry>
|
<entry>Meaning</entry>
|
||||||
<entry>Details</entry>
|
<entry>Details</entry>
|
||||||
</row>
|
</row>
|
||||||
</thead>
|
</thead>
|
||||||
<tbody>
|
<tbody>
|
||||||
<row>
|
<row>
|
||||||
<entry><literal>%m</literal></entry>
|
<entry><literal>%m</literal></entry>
|
||||||
<entry>Machine ID</entry>
|
<entry>Machine ID</entry>
|
||||||
<entry>The machine ID of the running system, formatted as string. See <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry> for more information.</entry>
|
<entry>The machine ID of the running system, formatted as string. See <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry> for more information.</entry>
|
||||||
</row>
|
</row>
|
||||||
<row>
|
<row>
|
||||||
<entry><literal>%b</literal></entry>
|
<entry><literal>%b</literal></entry>
|
||||||
<entry>Boot ID</entry>
|
<entry>Boot ID</entry>
|
||||||
<entry>The boot ID of the running system, formatted as string. See <citerefentry><refentrytitle>random</refentrytitle><manvolnum>4</manvolnum></citerefentry> for more information.</entry>
|
<entry>The boot ID of the running system, formatted as string. See <citerefentry><refentrytitle>random</refentrytitle><manvolnum>4</manvolnum></citerefentry> for more information.</entry>
|
||||||
</row>
|
</row>
|
||||||
<row>
|
<row>
|
||||||
<entry><literal>%H</literal></entry>
|
<entry><literal>%H</literal></entry>
|
||||||
<entry>Host name</entry>
|
<entry>Host name</entry>
|
||||||
<entry>The hostname of the running system.</entry>
|
<entry>The hostname of the running system.</entry>
|
||||||
</row>
|
</row>
|
||||||
<row>
|
<row>
|
||||||
<entry><literal>%v</literal></entry>
|
<entry><literal>%v</literal></entry>
|
||||||
<entry>Kernel release</entry>
|
<entry>Kernel release</entry>
|
||||||
<entry>Identical to <command>uname -r</command> output.</entry>
|
<entry>Identical to <command>uname -r</command> output.</entry>
|
||||||
</row>
|
</row>
|
||||||
<row>
|
<row>
|
||||||
<entry><literal>%%</literal></entry>
|
<entry><literal>%%</literal></entry>
|
||||||
<entry>Escaped %</entry>
|
<entry>Escaped %</entry>
|
||||||
<entry>Single percent sign.</entry>
|
<entry>Single percent sign.</entry>
|
||||||
</row>
|
</row>
|
||||||
</tbody>
|
</tbody>
|
||||||
</tgroup>
|
</tgroup>
|
||||||
</table>
|
</table>
|
||||||
</refsect2>
|
</refsect2>
|
||||||
|
|
||||||
<refsect2>
|
<refsect2>
|
||||||
<title>Mode</title>
|
<title>Mode</title>
|
||||||
|
|
||||||
<para>The file access mode to use when
|
<para>The file access mode to use when creating this file or
|
||||||
creating this file or directory. If omitted or
|
directory. If omitted or when set to <literal>-</literal>, the
|
||||||
when set to -, the default is used: 0755 for
|
default is used: 0755 for directories, 0644 for all other file
|
||||||
directories, 0644 for all other file objects.
|
objects. For <varname>z</varname>, <varname>Z</varname> lines,
|
||||||
For <varname>z</varname>, <varname>Z</varname>
|
if omitted or when set to <literal>-</literal>, the file access
|
||||||
lines, if omitted or when set to
|
mode will not be modified. This parameter is ignored for
|
||||||
<literal>-</literal>, the file access mode
|
<varname>x</varname>, <varname>r</varname>,
|
||||||
will not be modified. This parameter is
|
<varname>R</varname>, <varname>L</varname>, <varname>t</varname>
|
||||||
ignored for <varname>x</varname>,
|
lines.</para>
|
||||||
<varname>r</varname>, <varname>R</varname>,
|
|
||||||
<varname>L</varname>, <varname>t</varname> lines.</para>
|
|
||||||
|
|
||||||
<para>Optionally, if prefixed with
|
<para>Optionally, if prefixed with <literal>~</literal>, the
|
||||||
<literal>~</literal>, the access mode is masked
|
access mode is masked based on the already set access bits for
|
||||||
based on the already set access bits for
|
existing file or directories: if the existing file has all
|
||||||
existing file or directories: if the existing
|
executable bits unset, all executable bits are removed from the
|
||||||
file has all executable bits unset, all
|
new access mode, too. Similarly, if all read bits are removed
|
||||||
executable bits are removed from the new
|
from the old access mode, they will be removed from the new
|
||||||
access mode, too. Similarly, if all read bits
|
access mode too, and if all write bits are removed, they will be
|
||||||
are removed from the old access mode, they will
|
removed from the new access mode too. In addition, the
|
||||||
be removed from the new access mode too, and
|
sticky/SUID/SGID bit is removed unless applied to a
|
||||||
if all write bits are removed, they will be
|
directory. This functionality is particularly useful in
|
||||||
removed from the new access mode too. In
|
conjunction with <varname>Z</varname>.</para>
|
||||||
addition, the sticky/SUID/SGID bit is removed unless
|
</refsect2>
|
||||||
applied to a directory. This
|
|
||||||
functionality is particularly useful in
|
|
||||||
conjunction with <varname>Z</varname>.</para>
|
|
||||||
</refsect2>
|
|
||||||
|
|
||||||
<refsect2>
|
<refsect2>
|
||||||
<title>UID, GID</title>
|
<title>UID, GID</title>
|
||||||
|
|
||||||
<para>The user and group to use for this file
|
<para>The user and group to use for this file or directory. This
|
||||||
or directory. This may either be a numeric
|
may either be a numeric user/group ID or a user or group
|
||||||
user/group ID or a user or group name. If
|
name. If omitted or when set to <literal>-</literal>, the
|
||||||
omitted or when set to <literal>-</literal>,
|
default 0 (root) is used. For <varname>z</varname>,
|
||||||
the default 0 (root) is used. For
|
<varname>Z</varname> lines, when omitted or when set to -, the
|
||||||
<varname>z</varname>, <varname>Z</varname>
|
file ownership will not be modified. These parameters are
|
||||||
lines, when omitted or when set to -, the file
|
ignored for <varname>x</varname>, <varname>r</varname>,
|
||||||
ownership will not be modified. These
|
<varname>R</varname>, <varname>L</varname>, <varname>t</varname>
|
||||||
parameters are ignored for
|
lines.</para>
|
||||||
<varname>x</varname>, <varname>r</varname>,
|
</refsect2>
|
||||||
<varname>R</varname>, <varname>L</varname>,
|
|
||||||
<varname>t</varname> lines.</para>
|
|
||||||
</refsect2>
|
|
||||||
|
|
||||||
<refsect2>
|
<refsect2>
|
||||||
<title>Age</title>
|
<title>Age</title>
|
||||||
<para>The date field, when set, is used to
|
<para>The date field, when set, is used to decide what files to
|
||||||
decide what files to delete when cleaning. If
|
delete when cleaning. If a file or directory is older than the
|
||||||
a file or directory is older than the current
|
current time minus the age field, it is deleted. The field
|
||||||
time minus the age field, it is deleted. The
|
format is a series of integers each followed by one of the
|
||||||
field format is a series of integers each
|
following postfixes for the respective time units:</para>
|
||||||
followed by one of the following
|
|
||||||
postfixes for the respective time units:</para>
|
|
||||||
|
|
||||||
<variablelist>
|
<variablelist>
|
||||||
<varlistentry>
|
<varlistentry>
|
||||||
<term><varname>s</varname></term>
|
<term><varname>s</varname></term>
|
||||||
<term><varname>min</varname></term>
|
<term><varname>min</varname></term>
|
||||||
<term><varname>h</varname></term>
|
<term><varname>h</varname></term>
|
||||||
<term><varname>d</varname></term>
|
<term><varname>d</varname></term>
|
||||||
<term><varname>w</varname></term>
|
<term><varname>w</varname></term>
|
||||||
<term><varname>ms</varname></term>
|
<term><varname>ms</varname></term>
|
||||||
<term><varname>m</varname></term>
|
<term><varname>m</varname></term>
|
||||||
<term><varname>us</varname></term></varlistentry>
|
<term><varname>us</varname></term></varlistentry>
|
||||||
</variablelist>
|
</variablelist>
|
||||||
|
|
||||||
<para>If multiple integers and units are specified, the time
|
<para>If multiple integers and units are specified, the time
|
||||||
values are summed up. If an integer is given without a unit,
|
values are summed up. If an integer is given without a unit,
|
||||||
s is assumed.
|
<varname>s</varname> is assumed.
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<para>When the age is set to zero, the files are cleaned
|
<para>When the age is set to zero, the files are cleaned
|
||||||
unconditionally.</para>
|
unconditionally.</para>
|
||||||
|
|
||||||
<para>The age field only applies to lines
|
<para>The age field only applies to lines
|
||||||
starting with <varname>d</varname>,
|
starting with <varname>d</varname>,
|
||||||
<varname>D</varname>, and
|
<varname>D</varname>, and
|
||||||
<varname>x</varname>. If omitted or set to
|
<varname>x</varname>. If omitted or set to
|
||||||
<literal>-</literal>, no automatic clean-up is
|
<literal>-</literal>, no automatic clean-up is
|
||||||
done.</para>
|
done.</para>
|
||||||
|
|
||||||
<para>If the age field starts with a tilde
|
<para>If the age field starts with a tilde character
|
||||||
character <literal>~</literal>, the clean-up
|
<literal>~</literal>, the clean-up is only applied to files and
|
||||||
is only applied to files and directories one
|
directories one level inside the directory specified, but not
|
||||||
level inside the directory specified, but not
|
the files and directories immediately inside it.</para>
|
||||||
the files and directories immediately inside
|
</refsect2>
|
||||||
it.</para>
|
|
||||||
</refsect2>
|
|
||||||
|
|
||||||
<refsect2>
|
<refsect2>
|
||||||
<title>Argument</title>
|
<title>Argument</title>
|
||||||
|
|
||||||
<para>For <varname>L</varname> lines
|
<para>For <varname>L</varname> lines determines the destination
|
||||||
determines the destination path of the
|
path of the symlink. For <varname>c</varname>,
|
||||||
symlink. For <varname>c</varname>,
|
<varname>b</varname> determines the major/minor of the device
|
||||||
<varname>b</varname> determines the
|
node, with major and minor formatted as integers, separated by
|
||||||
major/minor of the device node, with major and
|
<literal>:</literal>, e.g. <literal>1:3</literal>. For
|
||||||
minor formatted as integers, separated by
|
<varname>f</varname>, <varname>F</varname>, and
|
||||||
<literal>:</literal>, e.g.
|
<varname>w</varname> may be used to specify a short string that
|
||||||
<literal>1:3</literal>. For
|
is written to the file, suffixed by a newline. For
|
||||||
<varname>f</varname>, <varname>F</varname>,
|
<varname>C</varname>, specifies the source file or
|
||||||
and <varname>w</varname> may be used to
|
directory. For <varname>t</varname> determines extended
|
||||||
specify a short string that is written to the
|
attributes to be set. Ignored for all other lines.</para>
|
||||||
file, suffixed by a newline. For
|
</refsect2>
|
||||||
<varname>C</varname>, specifies the source file
|
|
||||||
or directory. For <varname>t</varname> determines
|
|
||||||
extended attributes to be set. Ignored for all other lines.</para>
|
|
||||||
</refsect2>
|
|
||||||
|
|
||||||
</refsect1>
|
</refsect1>
|
||||||
|
|
||||||
<refsect1>
|
<refsect1>
|
||||||
<title>Example</title>
|
<title>Example</title>
|
||||||
<example>
|
<example>
|
||||||
<title>/etc/tmpfiles.d/screen.conf example</title>
|
<title>/etc/tmpfiles.d/screen.conf example</title>
|
||||||
<para><command>screen</command> needs two directories created at boot with specific modes and ownership.</para>
|
<para><command>screen</command> needs two directories created at
|
||||||
|
boot with specific modes and ownership.</para>
|
||||||
|
|
||||||
<programlisting>d /run/screens 1777 root root 10d
|
<programlisting>d /run/screens 1777 root root 10d
|
||||||
d /run/uscreens 0755 root root 10d12h
|
d /run/uscreens 0755 root root 10d12h
|
||||||
t /run/screen - - - - user.name="John Smith" security.SMACK64=screen</programlisting>
|
t /run/screen - - - - user.name="John Smith" security.SMACK64=screen</programlisting>
|
||||||
</example>
|
</example>
|
||||||
<example>
|
<example>
|
||||||
<title>/etc/tmpfiles.d/abrt.conf example</title>
|
<title>/etc/tmpfiles.d/abrt.conf example</title>
|
||||||
<para><command>abrt</command> needs a directory created at boot with specific mode and ownership and its content should be preserved.</para>
|
<para><command>abrt</command> needs a directory created at boot with specific mode and ownership and its content should be preserved.</para>
|
||||||
|
|
||||||
<programlisting>d /var/tmp/abrt 0755 abrt abrt
|
<programlisting>d /var/tmp/abrt 0755 abrt abrt
|
||||||
x /var/tmp/abrt/*</programlisting>
|
x /var/tmp/abrt/*</programlisting>
|
||||||
</example>
|
</example>
|
||||||
</refsect1>
|
</refsect1>
|
||||||
|
|
||||||
<refsect1>
|
<refsect1>
|
||||||
<title>See Also</title>
|
<title>See Also</title>
|
||||||
<para>
|
<para>
|
||||||
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||||
<citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
<citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
|
||||||
<citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
<citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
|
||||||
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
<citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
|
||||||
</para>
|
</para>
|
||||||
</refsect1>
|
</refsect1>
|
||||||
|
|
||||||
</refentry>
|
</refentry>
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user