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Update man pages with info on new per-file log rotation settings

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson 2018-09-25 09:39:16 +02:00
parent 179a137a1d
commit 141b3d5c7c
2 changed files with 38 additions and 8 deletions
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14
man/sysklogd.8
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@ -111,7 +111,12 @@ described by the people from OpenBSD at
.BI "\-b " "size"
This option controls the max size of files in the built-in log-rotation.
When present on the command line it activates log rotation of all files
with the given maximum size. Default: disabled (0).
with the given maximum size. It is also possible to control log rotate
per log file, see
.BR syslog.conf (5)
for details.
Default: disabled (0).
.TP
.BI "\-c " "count"
This option controls the max number of files kept by the built-in
@ -119,7 +124,12 @@ log-rotation. To activate the built-in log rotation this option must be
combined with the
.BI "\-b"
option. The number of files kept include both gzipped files and the
first rotated (not zipped) file. Default: 5.
first rotated (not zipped) file. It is also possible to control log
rotate per log file, see
.BR syslog.conf (5)
for details.
Default: 5.
.TP
.B "\-d"
Turns on debug mode. Using this the daemon will not proceed a

32
man/syslog.conf.5
View File

@ -30,13 +30,20 @@ for logging. For special features see the
.BR sysklogd (8)
manpage.
Every rule consists of two fields, a
Every rule consists of two fields, a
.I selector
field and an
.I action
field. These two fields are separated by one or more spaces or
tabs. The selector field specifies a pattern of facilities and
priorities belonging to the specified action.
field an
.I action
and an optional
.I logrotate
field. The fields are separated by one or more spaces or tabs. The
selector field specifies a pattern of facilities and priorities
belonging to the specified action. The action details where or what to
do with the selected input. The optional logrotate field is only for
files and details the max SIZE:COUNT a file can reach before it is
rotated, and later compressed. The log rotated feature is mostly
intended for embedded systems that do not want to have cron and a
separate log rotate daemon.
Lines starting with a hash mark (``#'') and empty lines are ignored.
@ -326,6 +333,19 @@ and store them in the file
#
*.=info;*.=notice;\\
mail.none /var/log/messages
.fi
.LP
The following is almost the same but will also log rotate and compress
aged out messages. Notice the leading '-' to ensure the file is flushed
to disk after each message.
.IP
.nf
# Log all messages, including kernel, to messages file
# rotated every 100 kiB and keep up to 10 aged out and
# compressed files.
*.*;kern,kern.none -/log/messages 1048576:10
.fi
.LP
This lets the