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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-04-20 00:03:47 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2016-04-20 09:00:39 -0400
commit4b743d679bfa8a39760f936344392001e8768e21 (patch)
treed917468fd51cfd1d59d06f97a25ed6421a4ee11f /man/tmpfiles.d.xml
parent022ffe4ccac688a5a68bc574ea708938681db1ec (diff)
man: try to explain different actions in tmpfiles a bit better
- do not suggest that vendor configuration files should be in /etc, use /usr/lib/tmpfiles.d instead - split the first example, because the text talked about "needing two directories", but then a smack attribute was also set, and on a different path, which looked like a typo. Replace that with the example from original patch [1] which added 't'. - fix the example for /var/tmp/abrt. The 'x' line was redundant, because /var/tmp/abrt/* is already filtered because "d /var/tmp/abrt" overrides "d /var/tmp". [1] http://permalink.gmane.org/gmane.comp.sysutils.systemd.devel/25051
Diffstat (limited to 'man/tmpfiles.d.xml')
-rw-r--r--man/tmpfiles.d.xml59
1 files changed, 45 insertions, 14 deletions
diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
index 3b6b1e3f11..cd6d7f626c 100644
--- a/man/tmpfiles.d.xml
+++ b/man/tmpfiles.d.xml
@@ -157,13 +157,17 @@
<varlistentry>
<term><varname>d</varname></term>
- <listitem><para>Create a directory if it does not exist yet.
- </para></listitem>
+ <listitem><para>Create a directory. The mode and ownership will be adjusted if
+ specified and the directory already exists. Contents of this directory are subject
+ to time based cleanup if the time argument is specified.</para></listitem>
</varlistentry>
<varlistentry>
<term><varname>D</varname></term>
- <listitem><para>Create or empty a directory.</para></listitem>
+ <listitem><para>Similar to <varname>d</varname>, but in addition the contents
+ of the directory will be removed when <option>--remove</option> is used.
+ </para></listitem>
+ </varlistentry>
</varlistentry>
<varlistentry>
@@ -612,22 +616,49 @@
</refsect1>
<refsect1>
- <title>Example</title>
+ <title>Examples</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>
+ <title>Create directories with specific mode and ownership</title>
+ <para>
+ <citerefentry><refentrytitle>screen</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ needs two directories created at boot with specific modes and ownership:</para>
+
+ <programlisting># /usr/lib/tmpfiles.d/screen.conf
+d /run/screens 1777 root screen 10d
+d /run/uscreens 0755 root screen 10d12h
+</programlisting>
+
+ <para>Contents of <filename>/run/screens</filename> and /run/uscreens will
+ cleaned up after 10 and 10½ days, respectively.</para>
+ </example>
- <programlisting>d /run/screens 1777 root root 10d
-d /run/uscreens 0755 root root 10d12h
-t /run/screen - - - - user.name="John Smith" security.SMACK64=screen</programlisting>
+ <example>
+ <title>Create a directory with a SMACK attribute</title>
+ <programlisting>D /run/cups - - - -
+t /run/cups - - - - security.SMACK64=printing user.attr-with-spaces="foo bar"
+ </programlisting>
+
+ <para>The direcory will be owned by root and have default mode. It's contents are
+ not subject to time based cleanup, but will be obliterated when
+ <command>systemd-tmpfiles --remove</command> runs.</para>
</example>
+
<example>
- <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>
+ <title>Create a directory and prevent its contents from cleanup</title>
+ <para>
+ <citerefentry><refentrytitle>abrt</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
+ needs a directory created at boot with specific mode and ownership and its content
+ should be preserved from the automatic cleanup applied to the contents of
+ <filename>/var/tmp</filename>:</para>
+
+ <programlisting># /usr/lib/tmpfiles.d/tmp.conf
+d /var/tmp 1777 root root 30d
+</programlisting>
+
+ <programlisting># /usr/lib/tmpfiles.d/abrt.conf
+d /var/tmp/abrt 0755 abrt abrt -
+</programlisting>
- <programlisting>d /var/tmp/abrt 0755 abrt abrt
-x /var/tmp/abrt/*</programlisting>
</example>
</refsect1>