Main index | Section 8 | 日本語 | Options |
A log can be archived for three reasons:
The granularity of newsyslog is dependent on how often it is scheduled to run by cron(8). Since the program is quite fast, it may be scheduled to run every hour without any ill effects, and mode three (above) assumes that this is so.
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Instruct newsyslog to use config_file instead of /etc/newsyslog.conf for its configuration file. | |
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Specify a directory into which archived log files will be written. If a relative path is given, it is appended to the path of each log file and the resulting path is used as the directory into which the archived log for that log file will be written. If an absolute path is given, all archived logs are written into the given directory. If any component of the path directory does not exist, it will be created when newsyslog is run. | |
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Specify a
directory
which all log files will be relative to.
To allow archiving of logs outside the root, the
directory
passed to the
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Place newsyslog in verbose mode. In this mode it will print out each log and its reasons for either trimming that log or skipping it. | |
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Cause
newsyslog
not to trim the logs, but to print out what it would do if this option
were not specified.
This option implies the
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Remove the restriction that newsyslog must be running as root. Of course, newsyslog will not be able to send a HUP signal to syslogd(8) so this option should only be used in debugging. | |
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Specify that
newsyslog
should not send any signals to any daemon processes that it would
normally signal when rotating a log file.
For any log file which is rotated, this option will usually also
mean the rotated log file will not be compressed if there is a
daemon which would have been signalled without this option.
However, this option is most likely to be useful when specified
with the
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If specified newsyslog will create the "rotated" logfiles using the specified time format instead of the default sequential filenames. The filename used will be kept until it is deleted. The time format is described in the strftime(3) manual page. If the timefmt argument is set to an empty string or the string "DEFAULT", the default built in time format is used. If the timefmt string is changed the old files created using the previous time format will not be automatically removed (unless the new format is very similar to the old format). This is also the case when changing from sequential filenames to time based file names, and the other way around. The time format should contain at least year, month, day, and hour to make sure rotating of old logfiles can select the correct logfiles. | |
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If specified once, then
newsyslog
will create any log files which do not exist, and which have the
C
flag specified in their config file entry.
If specified multiple times, then
newsyslog
will create all log files which do not already exist.
If log files are given on the command-line, then the
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Force newsyslog to trim the logs, even if the trim conditions have not been met. This option is useful for diagnosing system problems by providing you with fresh logs that contain only the problems. | |
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Do not perform any rotations.
This option is intended to be used with the
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Prevent further action if we should send signal but the "pidfile" is empty or does not exist. | |
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Specify that
newsyslog
should rotate a given list of files, even if trim conditions are not
met for those files.
The
tagname
is only used in the messages written to the log files which are
rotated.
This differs from the
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Use pidfile as syslogd(8)'s pidfile. | |
If additional command line arguments are given, newsyslog will only examine log files that match those arguments; otherwise, it will examine all files listed in the configuration file.
/etc/newsyslog.conf | newsyslog configuration file |
/etc/newsyslog.conf.d | Each file in this directory will be included by the default newsyslog.conf. |
/usr/local/etc/newsyslog.conf.d | |
Each file in this directory will be included by the default newsyslog.conf. | |
Copyright 1987, Massachusetts Institute of Technology
NEWSYSLOG (8) | July 19, 2018 |
Main index | Section 8 | 日本語 | Options |
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