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diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml new file mode 100644 index 0000000000..785264e3cf --- /dev/null +++ b/man/tmpfiles.d.xml @@ -0,0 +1,321 @@ +<?xml version="1.0"?> +<!--*-nxml-*--> +<!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. + + Copyright 2010 Brandon Philips + + 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. + + 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="tmpfiles.d"> + + <refentryinfo> + <title>tmpfiles.d</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Documentation</contrib> + <firstname>Brandon</firstname> + <surname>Philips</surname> + <email>brandon@ifup.org</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>tmpfiles.d</refentrytitle> + <manvolnum>5</manvolnum> + </refmeta> + + <refnamediv> + <refname>tmpfiles.d</refname> + <refpurpose>Configuration for creation, deletion and + cleaning of volatile and temporary files</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>/etc/tmpfiles.d/*.conf</filename></para> + <para><filename>/run/tmpfiles.d/*.conf</filename></para> + <para><filename>/usr/lib/tmpfiles.d/*.conf</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>systemd-tmpfiles</command> uses the + configuration files from the above directories to describe the + creation, cleaning and removal of volatile and + temporary files and directories which usually reside + in directories such as <filename>/run</filename> + or <filename>/tmp</filename>.</para> + </refsect1> + + <refsect1> + <title>Configuration Format</title> + + <para>Each configuration file shall be named in the + style of <filename><program>.conf</filename>. + Files in <filename>/etc/</filename> override files + with the same name in <filename>/usr/lib/</filename> + and <filename>/run/</filename>. Files in + <filename>/run/</filename> override files with the same + name in <filename>/usr/lib/</filename>. Packages + should install their configuration files in + <filename>/usr/lib/</filename>. Files in + <filename>/etc/</filename> are reserved for the local + administrator, who may use this logic to override the + configuration files installed by vendor packages. All + configuration files are sorted by their filename in + alphabetical order, regardless in which of the + directories they reside, to guarantee that a specific + configuration file takes precedence over another file + with an alphabetically later name.</para> + + <para>If the administrator wants to disable a + configuration file supplied by the vendor the + recommended way is to place a symlink to + <filename>/dev/null</filename> in + <filename>/etc/tmpfiles.d/</filename> bearing the + same file name.</para> + + <para>The configuration format is one line per path + containing action, path, mode, ownership, age and argument + fields:</para> + + <programlisting>Type Path Mode UID GID Age Argument +d /run/user 0755 root root 10d - +L /tmp/foobar - - - - /dev/null</programlisting> + + <refsect2> + <title>Type</title> + <variablelist> + <varlistentry> + <term><varname>f</varname></term> + <listitem><para>Create a file if it doesn't exist yet (optionally writing a short string into it, if the argument parameter is passed)</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>F</varname></term> + <listitem><para>Create or truncate a file (optionally writing a short string into it, if the argument parameter is passed)</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>w</varname></term> + <listitem><para>Write the argument parameter to a file, if the file exists. + Lines of this type accept shell-style globs in place of normal path + names. The argument parameter will be written without a trailing + newline. C-style backslash escapes are interpreted.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>d</varname></term> + <listitem><para>Create a directory if it doesn't exist yet</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>D</varname></term> + <listitem><para>Create or empty a directory</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>p</varname></term> + <listitem><para>Create a named pipe (FIFO) if it doesn't exist yet</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>L</varname></term> + <listitem><para>Create a symlink if it doesn't exist yet</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>c</varname></term> + <listitem><para>Create a character device node if it doesn't exist yet</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>b</varname></term> + <listitem><para>Create a block device node if it doesn't exist yet</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>x</varname></term> + <listitem><para>Ignore a path + during cleaning. Use this type + to exclude paths from clean-up + as controlled with the Age + parameter. Note that lines of + this type do not influence the + effect of r or R lines. Lines + of this type accept + shell-style globs in place of + normal path + names.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>r</varname></term> + <listitem><para>Remove a file + or directory if it + exists. This may not be used + to remove non-empty + directories, use R for + that. Lines of this type + accept shell-style globs in + place of normal path + names.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>R</varname></term> + <listitem><para>Recursively + remove a path and all its + subdirectories (if it is a + directory). Lines of this type + accept shell-style globs in + place of normal path + names.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>z</varname></term> + <listitem><para>Restore + SELinux security context label + and set ownership and access + mode of a file or directory if + it exists. Lines of this type + accept shell-style globs in + place of normal path names. + </para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>Z</varname></term> + <listitem><para>Recursively + restore SELinux security + context label and set + ownership and access mode of a + path and all its + subdirectories (if it is a + directory). Lines of this type + accept shell-style globs in + place of normal path + names.</para></listitem> + </varlistentry> + </variablelist> + </refsect2> + + <refsect2> + <title>Mode</title> + + <para>The file access mode to use when + creating this file or directory. If omitted or + when set to - the default is used: 0755 for + directories, 0644 for all other file + objects. For z, Z lines if omitted or when set + to - the file access mode will not be + modified. This parameter is ignored for x, r, + R, L lines.</para> + </refsect2> + + <refsect2> + <title>UID, GID</title> + + <para>The user and group to use for this file + or directory. This may either be a numeric + user/group ID or a user or group name. If + omitted or when set to - the default 0 (root) + is used. For z, Z lines when omitted or when set to - + the file ownership will not be modified. + These parameters are ignored for x, r, R, L lines.</para> + </refsect2> + + <refsect2> + <title>Age</title> + <para>The date field, when set, is used to + decide what files to delete when cleaning. If + a file or directory is older than the current + time minus the age field it is deleted. The + field format is a series of integers each + followed by one of the following + postfixes for the respective time units:</para> + + <variablelist> + <varlistentry> + <term><varname>s</varname></term> + <term><varname>min</varname></term> + <term><varname>h</varname></term> + <term><varname>d</varname></term> + <term><varname>w</varname></term> + <term><varname>ms</varname></term> + <term><varname>m</varname></term> + <term><varname>us</varname></term></varlistentry> + </variablelist> + + <para>If multiple integers and units are specified the time + values are summed up. If an integer is given without a unit, + s is assumed. + </para> + + <para>When the age is set to zero, the files are cleaned + unconditionally.</para> + + <para>The age field only applies to lines starting with + d, D and x. If omitted or set to - no automatic clean-up + is done.</para> + + <para>If the age field starts with a tilde + character (~) the clean-up is only applied to + files and directories one level inside the + directory specified, but not the files and + directories immediately inside it.</para> + </refsect2> + + <refsect2> + <title>Argument</title> + + <para>For L lines determines the destination + path of the symlink. For c, b determines the + major/minor of the device node, with major and + minor formatted as integers, separated by :, + e.g. "1:3". For f, F, w may be used to specify + a short string that is written to the file, + suffixed by a newline. Ignored for all other + lines.</para> + </refsect2> + + </refsect1> + + <refsect1> + <title>Example</title> + <example> + <title>/etc/tmpfiles.d/screen.conf example</title> + <para><command>screen</command> needs two directories created at boot with specific modes and ownership.</para> + + <programlisting>d /var/run/screens 1777 root root 10d +d /var/run/uscreens 0755 root root 10d12h</programlisting> + </example> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-tmpfiles</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-delta</refentrytitle><manvolnum>1</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |