chiark / gitweb /
tmpfiles, man: Add xattr support to tmpfiles
[elogind.git] / man / tmpfiles.d.xml
index 65716c305d835aee44980670b633a3ece3d456d0..4f2e6406a882807da2166e02356af173d28dc76c 100644 (file)
                 filename in lexicographic order, regardless of which
                 of the directories they reside in. If multiple files
                 specify the same path, the entry in the file with the
-                lexicographically earliest name will be applied, all
-                all other conflicting entries will be logged as
+                lexicographically earliest name will be applied.
+                All other conflicting entries will be logged as
                 errors. When two lines are prefix and suffix of each
                 other, then the prefix is always processed first, the
                 suffix later. Otherwise, the files/directories are
@@ -210,7 +210,12 @@ L    /tmp/foobar -    -    -    -   /dev/null</programlisting>
                                         device node is to be created,
                                         it will be removed and be
                                         replaced by the device
-                                        node.</para></listitem>
+                                        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>
@@ -224,7 +229,12 @@ L    /tmp/foobar -    -    -    -   /dev/null</programlisting>
                                         device node is to be created,
                                         it will be removed and be
                                         replaced by the device
-                                        node.</para></listitem>
+                                        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>
@@ -333,6 +343,25 @@ L    /tmp/foobar -    -    -    -   /dev/null</programlisting>
                                         normal path
                                         names.</para></listitem>
                                 </varlistentry>
+
+                                <varlistentry>
+                                        <term><varname>t</varname></term>
+                                        <listitem><para>Set extended
+                                        attributes on item. It may be
+                                        used in conjunction with other
+                                        types (only <varname>d</varname>,
+                                        <varname>D</varname>, <varname>f</varname>,
+                                        <varname>F</varname>, <varname>L</varname>,
+                                        <varname>p</varname>, <varname>c</varname>,
+                                        <varname>b</varname>, makes sense).
+                                        If used as a standalone line, then
+                                        <command>systemd-tmpfiles</command>
+                                        will try to set extended
+                                        attributes on specified path.
+                                        This can be especially used to set
+                                        SMACK labels.
+                                        </para></listitem>
+                                </varlistentry>
                         </variablelist>
 
                         <para>If the exclamation mark is used, this
@@ -420,7 +449,7 @@ r! /tmp/.X[0-9]*-lock</programlisting>
                         will not be modified. This parameter is
                         ignored for <varname>x</varname>,
                         <varname>r</varname>, <varname>R</varname>,
-                        <varname>L</varname> lines.</para>
+                        <varname>L</varname>, <varname>t</varname> lines.</para>
 
                         <para>Optionally, if prefixed with
                         <literal>~</literal>, the access mode is masked
@@ -433,7 +462,7 @@ r! /tmp/.X[0-9]*-lock</programlisting>
                         be removed from the new access mode too, and
                         if all write bits are removed, they will be
                         removed from the new access mode too. In
-                        addition, the sticky/suid/gid bit is removed unless
+                        addition, the sticky/SUID/SGID bit is removed unless
                         applied to a directory. This
                         functionality is particularly useful in
                         conjunction with <varname>Z</varname>.</para>
@@ -452,8 +481,8 @@ r! /tmp/.X[0-9]*-lock</programlisting>
                         ownership will not be modified. These
                         parameters are ignored for
                         <varname>x</varname>, <varname>r</varname>,
-                        <varname>R</varname>, <varname>L</varname>
-                        lines.</para>
+                        <varname>R</varname>, <varname>L</varname>,
+                        <varname>t</varname> lines.</para>
                 </refsect2>
 
                 <refsect2>
@@ -517,8 +546,8 @@ r! /tmp/.X[0-9]*-lock</programlisting>
                         specify a short string that is written to the
                         file, suffixed by a newline. For
                         <varname>C</varname>, specifies the source file
-                        or directory. Ignored for all other
-                        lines.</para>
+                        or directory. For <varname>t</varname> determines
+                        extended attributes to be set. Ignored for all other lines.</para>
                 </refsect2>
 
         </refsect1>
@@ -530,7 +559,8 @@ r! /tmp/.X[0-9]*-lock</programlisting>
                         <para><command>screen</command> needs two directories created at boot with specific modes and ownership.</para>
 
                         <programlisting>d /run/screens  1777 root root 10d
-d /run/uscreens 0755 root root 10d12h</programlisting>
+d /run/uscreens 0755 root root 10d12h
+t /run/screen - - - - user.name="John Smith" security.SMACK64=screen</programlisting>
                 </example>
                 <example>
                         <title>/etc/tmpfiles.d/abrt.conf example</title>