69 lines
1.4 KiB
Groff
69 lines
1.4 KiB
Groff
.\" $Id: atrun.man,v 1.4 1997/11/20 07:21:53 charnier Exp $
|
|
.Dd April 12, 1995
|
|
.Dt ATRUN 8
|
|
.Os "FreeBSD 2.1"
|
|
.Sh NAME
|
|
.Nm atrun
|
|
.Nd run jobs queued for later execution
|
|
.Sh SYNOPSIS
|
|
.Nm atrun
|
|
.Op Fl l Ar load_avg
|
|
.Op Fl d
|
|
.Sh DESCRIPTION
|
|
.Nm Atrun
|
|
runs jobs queued by
|
|
.Xr at 1 .
|
|
.Pp
|
|
Root's
|
|
.Xr crontab 5
|
|
file
|
|
.Pa /etc/crontab
|
|
has to contain the line
|
|
.nf
|
|
*/5 * * * * root /usr/libexec/atrun
|
|
.fi
|
|
so that
|
|
.Xr atrun 8
|
|
gets invoked every five minutes.
|
|
.Pp
|
|
At every invocation,
|
|
.Nm
|
|
will start all the jobs in the lowercase queues whose start
|
|
time has elapsed.
|
|
In addition, if the load average over the last minute was less than
|
|
the specified limit then a maximum of one batch job (denoted by the
|
|
uppercase queues) is started.
|
|
.Sh OPTIONS
|
|
.Bl -tag -width indent
|
|
.It Fl l Ar load_avg
|
|
Specify a limiting load factor, over which batch jobs should
|
|
not be run, instead of the compiled in default of 1.5.
|
|
.It Fl d
|
|
Debug; print error messages to standard error instead of using
|
|
.Xr syslog 3 .
|
|
.El
|
|
.Sh WARNINGS
|
|
For
|
|
.Nm
|
|
to work, you have to start up a
|
|
.Xr cron 8
|
|
daemon.
|
|
.Sh FILES
|
|
.Bl -tag -width /var/at/spool -compact
|
|
.It Pa /var/at/spool
|
|
Directory containing output spool files
|
|
.It Pa /var/at/jobs
|
|
Directory containing job files
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr at 1 ,
|
|
.Xr crontab 1 ,
|
|
.Xr syslog 3 ,
|
|
.Xr crontab 5 ,
|
|
.Xr cron 8
|
|
.Sh BUGS
|
|
The functionality of
|
|
.Nm
|
|
should be merged into
|
|
.Xr cron 8 .
|