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DAILY(8)		OpenBSD System Manager's Manual		      DAILY(8)

     daily, weekly, monthly - periodic system maintenance


     The three files /etc/daily, /etc/weekly, and /etc/monthly are shell
     scripts run on a periodic basis by the clock daemon, cron(8).  They take
     care of some basic administrative tasks.  Their output, if any, is mailed
     to root.

     Note: The scripts are all run as part of root's crontab(5).  However, it
     is strongly suggested that the root mail account be an alias that
     forwards messages to a real user or set of users.	Otherwise, root's mail
     will simply accumulate in /var/mail until the partition holding it runs
     out of space.  See newaliases(8) for further details.

     These scripts should not be altered.  Local additions should be made to
     the files /etc/daily.local, /etc/weekly.local, and /etc/monthly.local,
     which will be executed by /etc/daily, /etc/weekly, and /etc/monthly,
     respectively.  The *.local files are executed first, which makes it
     convenient to do any necessary cleanup and backup and to define any
     required shell variables before the script is run.

     This script is run daily.	It currently does the following:

     -	 Runs the script /etc/daily.local, if it exists.

     -	 Removes scratch and junk files from /tmp and /var/tmp.

     -	 Removes stale files from the rwhod(8) database.

     -	 Purges accounting records from /var/account, if they exist.  See
	 accton(8) and sa(8).

     -	 Creates a backup root file system which is updated daily.  This only
	 happens if the following conditions are met:

	       1.   The environment variable ROOTBACKUP must be set.  For
		    example, the following can be added to /etc/daily.local:


	       2.   The mount directory /altroot must exist, and there must be
		    an /etc/fstab entry specifying a configured disk device,
		    the file system type `ffs', and `xx' for the mount
		    options, e.g.

			  /dev/wd0j /altroot ffs xx 0 0

     -	 Checks disk status.  Reports on the amount of disk used/available via
	 df(1).	 Reports on which file systems need to be dumped via dump(8).

     -	 Reports on the status of the mail queue via mailq(8).

     -	 Reports networking statistics via netstat(1).

     -	 Gives an uptime for every machine which exists in /var/rwho, via the
	 ruptime(1) utility.

     -	 Runs the calendar(1) utility unless the environment variable CALENDAR
	 is set to 0 in /etc/daily.local or the host is a yp(8) client.

     -	 If CHECKFILESYSTEMS is set to 1 in /etc/daily.local, runs fsck(8)
	 with the no-write flag (-n).

     -	 If the file /etc/Distfile exists, runs the rdist(1) utility.

     -	 Runs the system security check script, /etc/security.	See
	 security(8) for further details.

     This script is run weekly.	 It currently does the following:

     -	 Runs the script /etc/weekly.local, if it exists.

     -	 Rebuilds the locate(1) database, if there is an existing
	 /var/db/locate.database file.

     -	 Rebuilds the whatis(1) database(s) via makewhatis(8).

     -	 If LOGINACCOUNTING is set to 1 in /etc/weekly.local and the
	 /var/log/wtmp file exists, show individual users' login via the ac(8)

     This script is run monthly.  It currently does the following:

     -	 Runs the script /etc/monthly.local, if it exists.

     The following variables can be set in /etc/daily.local:

     CALENDAR	       If set to 1, run calendar(1).
     CHECKFILESYSTEMS  If set to 1, run fsck(8) with the no-write flag.
     ROOTBACKUP	       If set to 1, make a backup of the root file system.
     VERBOSESTATUS     If set to 0, df(1), dump(8), netstat(1), and ruptime(1)
		       are skipped.  Consequently, if none of the other
		       commands produce any output, no mail will be sent to

     The following variables can be set in /etc/weekly.local:

     LOGINACCOUNTING   If set to 1, run ac(8) to report login accounting.

     /etc/daily		  Daily maintenance script.
     /etc/daily.local	  Site specific daily maintenance script.
     /etc/weekly	  Weekly maintenance script.
     /etc/weekly.local	  Site specific weekly maintenance script.
     /etc/monthly	  Monthly maintenance script.
     /etc/monthly.local	  Site specific monthly maintenance script.
     /var/cron/tabs/root  Root crontab(5).

     calendar(1), crontab(1), df(1), locate(1), netstat(1), rdist(1),
     ruptime(1), rwho(1), whatis(1), crontab(5), ac(8), accton(8), cron(8),
     dump(8), fsck(8), mailq(8), makewhatis(8), sa(8), security(8), yp(8)

     This manual page first appeared in OpenBSD 3.4.

     If the host machine is not running 24/7, these scripts may never be run.
     Adjusting the time fields in the system crontab(5) may partially
     alleviate this problem.

     Be careful when adding local additions.  Services such as "www" have
     their own users, and should be run as such, not as root.  It may be more
     appropriate to create a separate crontab(5) for such services.

OpenBSD 4.9		      September 22, 2010		   OpenBSD 4.9

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