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Document effective owner of stdout/stderr log file upon creation

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The log files defined using file:, append: or truncate: inherit the owner and other privileges from the effective user running systemd.

The log files are NOT created using the "User", "Group" or "UMask" defined in the service.
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Guido Leenders 2024-04-19 13:30:32 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent c6aadfdd32
commit f445ed3c5f
1 changed files with 2 additions and 2 deletions
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4
man/systemd.exec.xml
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@ -2983,8 +2983,8 @@ SystemCallErrorNumber=EPERM</programlisting>
<para>The <option>file:<replaceable>path</replaceable></option> option may be used to connect a specific file
system object to standard output. The semantics are similar to the same option of
<varname>StandardInput=</varname>, see above. If <replaceable>path</replaceable> refers to a regular file
on the filesystem, it is opened (created if it doesn't exist yet) for writing at the beginning of the file,
but without truncating it.
on the filesystem, it is opened (created if it doesn't exist yet using privileges of the user executing the
systemd process) for writing at the beginning of the file, but without truncating it.
If standard input and output are directed to the same file path, it is opened only once — for reading as well
as writing — and duplicated. This is particularly useful when the specified path refers to an
<constant>AF_UNIX</constant> socket in the file system, as in that case only a