X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=man%2Ftmpfiles.d.xml;h=1cf899226a29bea564ed529110b644e77ee730a8;hb=1731e34a4ebddf6e1247ad252c7a45c2c1163f42;hp=f70bf0ef9f712257d367fd2793127fd60f156804;hpb=19c5f19d69bb5f520fa7213239490c55de06d99d;p=elogind.git
diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
index f70bf0ef9..1cf899226 100644
--- a/man/tmpfiles.d.xml
+++ b/man/tmpfiles.d.xml
@@ -7,16 +7,16 @@
Copyright 2010 Brandon Philips
systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ 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
- General Public License for more details.
+ Lesser General Public License for more details.
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see .
-->
@@ -55,50 +55,61 @@
Description
- systemd-tmpfiles 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 /run
- or /tmp.
+ systemd-tmpfiles 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 /run
+ or /tmp.
- Configuration Format
-
- Each configuration file is named in the style of
- <program>.conf. Files in
- /etc/ override files with the
- same name in /usr/lib/. Files in
- /run override files with the same
- name in /etc/ and
- /usr/lib/. Packages should
- install their configuration files in
- /usr/lib/, files in
+ Configuration Format
+
+ Each configuration file shall be named in the
+ style of <package>.conf.
+ Files in /etc/ override files
+ with the same name in /usr/lib/
+ and /run/. Files in
+ /run/ override files with the same
+ name in /usr/lib/. Packages
+ should install their configuration files in
+ /usr/lib/. Files in
/etc/ are reserved for the local
- administrator, who may choose to override the
- configurations installed from packages. The list of
+ 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
- configuration file takes precedence over another
- configuration file with an alphabetically later
- name.
-
- The configuration format is one line per path
- containing action, path, mode, ownership, age and argument
- fields:
+ lexicographic order, regardless in which of the
+ directories they reside. 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 logged as errors.
+
+ If the administrator wants to disable a
+ configuration file supplied by the vendor, the
+ recommended way is to place a symlink to
+ /dev/null in
+ /etc/tmpfiles.d/ bearing the
+ same filename.
+
+ The configuration format is one line per path
+ containing action, path, mode, ownership, age and argument
+ fields:
Type Path Mode UID GID Age Argument
d /run/user 0755 root root 10d -
L /tmp/foobar - - - - /dev/null
+
Type
+
+ The following line types are understood:
+
f
- Create a file if it doesn't exist yet (optionally writing a short string into it, if the argument parameter is passed)
+ Create a file if it does not exist yet (optionally writing a short string into it, if the argument parameter is passed)
@@ -108,12 +119,15 @@ L /tmp/foobar - - - - /dev/null
w
- Write the argument parameter to a file, if it exists.
+ 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.
d
- Create a directory if it doesn't exist yet
+ Create a directory if it does not exist yet
@@ -123,22 +137,22 @@ L /tmp/foobar - - - - /dev/null
p
- Create a named pipe (FIFO) if it doesn't exist yet
+ Create a named pipe (FIFO) if it does not exist yet
L
- Create a symlink if it doesn't exist yet
+ Create a symlink if it does not exist yet
c
- Create a character device node if it doesn't exist yet
+ Create a character device node if it does not exist yet
b
- Create a block device node if it doesn't exist yet
+ Create a block device node if it does not exist yet
@@ -152,7 +166,22 @@ L /tmp/foobar - - - - /dev/null
effect of r or R lines. Lines
of this type accept
shell-style globs in place of
- of normal path
+ normal path
+ names.
+
+
+
+ X
+ Ignore a path
+ during cleanup. Use this type
+ to prevent path removal as
+ controlled with the Age parameter.
+ Note that if path is a directory,
+ content of a directory is not
+ excluded from clean-up, only
+ directory itself. Lines of this
+ type accept shell-style globs
+ in place of normal path
names.
@@ -208,15 +237,66 @@ L /tmp/foobar - - - - /dev/null
+
+ Path
+
+ The file system path specification supports simple specifier
+ expansion. The following expansions are
+ understood:
+
+
+ Specifiers available
+
+
+
+
+
+
+ Specifier
+ Meaning
+ Details
+
+
+
+
+ %m
+ Machine ID
+ The machine ID of the running system, formatted as string. See machine-id5 for more information.
+
+
+ %b
+ Boot ID
+ The boot ID of the running system, formatted as string. See random4 for more information.
+
+
+ %H
+ Host name
+ The hostname of the running system.
+
+
+ %v
+ Kernel release
+ Identical to uname -r output.
+
+
+ %%
+ Escaped %
+ Single percent sign.
+
+
+
+
+
+
Mode
The file access mode to use when
creating this file or directory. If omitted or
- when set to - the default is used: 0755 for
+ 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
+ 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.
@@ -227,8 +307,8 @@ L /tmp/foobar - - - - /dev/null
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 -
+ 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.
@@ -238,7 +318,7 @@ L /tmp/foobar - - - - /dev/null
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
+ 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:
@@ -255,12 +335,23 @@ L /tmp/foobar - - - - /dev/null
us
- If multiple integers and units are specified the time
- values are summed up.
+ If multiple integers and units are specified, the time
+ values are summed up. If an integer is given without a unit,
+ s is assumed.
+
+
+ When the age is set to zero, the files are cleaned
+ unconditionally.
The age field only applies to lines starting with
- d, D and x. If omitted or set to - no automatic clean-up
+ d, D and x. If omitted or set to -, no automatic clean-up
is done.
+
+ 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.
@@ -287,13 +378,21 @@ L /tmp/foobar - - - - /dev/null
d /var/run/screens 1777 root root 10d
d /var/run/uscreens 0755 root root 10d12h
+
+ /etc/tmpfiles.d/abrt.conf example
+ abrt needs a directory created at boot with specific mode and ownership and its content should be preserved.
+
+ d /var/tmp/abrt 0755 abrt abrt
+x /var/tmp/abrt/*
+
See Also
systemd1,
- systemd-tmpfiles8
+ systemd-tmpfiles8,
+ systemd-delta1