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how to rotate log files
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PERIODIC.CONF(5) BSD File Formats Manual PERIODIC.CONF(5) NAME
periodic.conf -- periodic job configuration information DESCRIPTION
The file periodic.conf contains a description of how daily, weekly and monthly system maintenance jobs should run. It resides in the /etc/defaults directory and parts may be overridden by a file of the same name in /etc, which itself may be overridden by the /etc/periodic.conf.local file. The periodic.conf file is actually sourced as a shell script from each of the periodic scripts and is intended to simply provide default con- figuration variables. The following variables are used by periodic(8) itself: local_periodic (str) List of directories to search for periodic scripts. This list is always prefixed with /etc/periodic, and is only used when an argument to periodic(8) is not an absolute directory name. <dir>_output (path or list) What to do with the output of the scripts executed from the directory dir. If this variable is set to an absolute path name, output is logged to that file, otherwise it is taken as one or more space separated email addresses and mailed to those users. If this variable is not set or is empty, output is sent to standard output. For an unattended machine, suitable values for daily_output, weekly_output, and monthly_output might be ``/var/log/daily.log'', ``/var/log/weekly.log'', and ``/var/log/monthly.log'' respectively, as newsyslog(8) will rotate these files (if they exists) at the appropriate times. <dir>_show_success <dir>_show_info <dir>_show_badconfig (bool) These variables control whether periodic(8) will mask the output of the executed scripts based on their return code (where dir is the base directory name in which each script resides). If the return code of a script is '0' and <dir>_show_success is set to ``NO'', periodic(8) will mask the script's output. If the return code of a script is '1' and <dir>_show_info is set to ``NO'', periodic(8) will mask the script's output. If the return code of a script is '2' and <dir>_show_badconfig is set to ``NO'', periodic(8) will mask the script's output. If these variables are set to neither ``YES'' nor ``NO'', they default to ``YES'', ``YES'' and ``NO'' respectively. Refer to the periodic(8) manual page for how script return codes are interpreted. The following variables are used by the standard scripts that reside in /etc/periodic/daily: daily_clean_tmps_enable (bool) Set to ``YES'' if you want to clear temporary directories daily. daily_clean_tmps_dirs (str) Set to the list of directories to clear if daily_clean_tmps_enable is set to ``YES''. daily_clean_tmps_days (num) When daily_clean_tmps_enable is set, this must also be set to the number of days old that a file's access and modification times must be before it is deleted. daily_clean_tmps_ignore (str) Set to the list of files that should not be deleted when daily_clean_tmps_enable is set to ``YES''. Wild card characters are permitted. daily_clean_tmps_verbose (bool) Set to ``YES'' if you want the removed files to be reported in your daily output. daily_clean_msgs_enable (bool) Set to ``YES'' if you wish old system messages to be purged. daily_clean_msgs_days (num) Set to the number of days that files must not have been modified before they are deleted. If this variable is left blank, the msgs(1) default is used. daily_clean_rwho_enable (bool) Set to ``YES'' if you wish old files in /var/who to be purged. daily_clean_rwho_days (num) Set to the number of days that files must not have been modified before they are deleted. daily_clean_rwho_verbose (bool) Set to ``YES'' if you want the removed files to be reported in your daily output. daily_accounting_enable (bool) Set to ``YES'' if you want to rotate your daily accounting files. No rotations are necessary unless accounting_enable is enabled in rc.conf(5). daily_accounting_compress (bool) Set to ``YES'' if you want your daily accounting files to be compressed using gzip(1). daily_accounting_save (num) When daily_accounting_enable is set, this may also be set to the number of daily accounting files that are to be saved. The default is ``3''. daily_accounting_flags (str) Set to the arguments to pass to the sa(8) utility (in addition to -s) when daily_accounting_enable is set to ``YES''. The default is -q. daily_status_disks_enable (bool) Set to ``YES'' if you want to run df(1) (with the arguments supplied in daily_status_disks_df_flags). daily_status_disks_df_flags (str) Set to the arguments for the df(1) utility when daily_status_disks_enable is set to ``YES''. daily_status_network_enable (bool) Set to ``YES'' if you want to run netstat -i. daily_status_network_usedns (bool) Set to ``YES'' if you want to run netstat(1) without the -n option (to do DNS lookups). daily_status_rwho_enable (bool) Set to ``YES'' if you want to run uptime(1) (or ruptime(1) if rwhod_enable is set to ``YES'' in /etc/rc.conf). daily_status_mailq_enable (bool) Set to ``YES'' if you want to run mailq(1). daily_status_mailq_shorten (bool) Set to ``YES'' if you want to shorten the mailq(1) output when daily_status_mailq_enable is set to ``YES''. daily_status_include_submit_mailq (bool) Set to ``YES'' if you also want to run mailq(1) on the submit mail queue when daily_status_mailq_enable is set to ``YES''. This may not work with MTAs other than sendmail(8). daily_local (str) Set to a list of extra scripts that should be run after all other daily scripts. All scripts must be absolute path names. The following variables are used by the standard scripts that reside in /etc/periodic/weekly: weekly_whatis_enable (bool) Set to ``YES'' if you want to run /usr/libexec/makewhatis.local. This script regenerates the database used by the apropos(1) command. weekly_local (str) Set to a list of extra scripts that should be run after all other weekly scripts. All scripts must be absolute path names. The following variables are used by the standard scripts that reside in /etc/periodic/monthly: monthly_accounting_enable (bool) Set to ``YES'' if you want to do login accounting using the ac(8) command. monthly_local (str) Set to a list of extra scripts that should be run after all other monthly scripts. All scripts must be absolute path names. FILES
/etc/defaults/periodic.conf The default configuration file. This file contains all default variables and values. /etc/periodic.conf The usual system specific variable override file. /etc/periodic.conf.local An additional override file, useful when /etc/periodic.conf is shared or distributed. SEE ALSO
apropos(1), calendar(1), df(1), diff(1), gzip(1), man(1), msgs(1), netstat(1), nice(1), ac(8), newsyslog(8), periodic(8), sendmail(8) HISTORY
The periodic.conf file appeared in FreeBSD 4.1. AUTHORS
Brian Somers <brian@Awfulhak.org> BSD
May 12, 2007 BSD
how to rotate log files