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diff --git a/man/tmpfiles.d.xml b/man/tmpfiles.d.xml
index 8987c4807..1c079f64b 100644
--- a/man/tmpfiles.d.xml
+++ b/man/tmpfiles.d.xml
@@ -55,19 +55,19 @@
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
+ Configuration Format
Each configuration file shall be named in the
- style of <program>.conf.
+ style of <package>.conf.
Files in /etc/ override files
with the same name in /usr/lib/
and /run/. Files in
@@ -79,32 +79,37 @@
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
+ 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
+ configuration file supplied by the vendor, the
recommended way is to place a symlink to
/dev/null in
/etc/tmpfiles.d/ bearing the
- same file name.
+ same filename.
- The configuration format is one line per path
- containing action, path, mode, ownership, age and argument
- fields:
+ 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)
@@ -114,12 +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
@@ -129,22 +137,33 @@ 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
+
+
+
+ m
+ If the
+ specified file path exists,
+ adjust its access mode, group
+ and user to the specified
+ values and reset the SELinux
+ label. If it does not exist, do
+ nothing.
@@ -158,7 +177,25 @@ 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 cleaning. Use this type
+ to exclude paths from clean-up
+ as controlled with the Age
+ parameter. Unlike x, this
+ parameter will not exclude the
+ content if path is a directory,
+ but only directory itself.
+ 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.
@@ -214,15 +251,66 @@ 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.
@@ -233,8 +321,8 @@ 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.
@@ -244,7 +332,7 @@ 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:
@@ -261,12 +349,23 @@ 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.
@@ -293,13 +392,21 @@ 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