NAME


atd - run jobs queued for later execution

SYNOPSIS


atd [-l load_avg] [-b batch_interval] [-d] [-s]

DESCRIPTION


atd runs jobs queued by at(1) .

OPTIONS


-l Specifies a limiting load factor, over which batch jobs should not be run, instead of the compile-time choice of 0.8. For an SMP system with n CPUs, you will probably want to set this higher than n-1.
-b Specifiy the minimum interval in seconds between the start of two batch jobs (60 default).
-d Debug; print error messages to standard error instead of using syslog(3) .
-s Process the at/batch queue only once. This is primarily of use for compatibility with old versions of at; atd -s is equivalent to the old atrun command. A script invoking atd -s is installed as /usr/sbin/atrun for backward compatibility.

WARNING


atd won’t work if its spool directory is mounted via NFS even if no_root_squash is set.

FILES


/var/spool/atjobs The directory for storing jobs; this should be mode 700, owner at.

/var/spool/atspool The directory for storing output; this should be mode 700, owner at.

/etc/at.allow, /etc/at.deny determine who can use the at system.

SEE ALSO


at(1), atrun(1), cron(8), crontab(1), syslog(3), at.deny(5), at.allow(5).

BUGS


The functionality of atd should be merged into cron(8) .

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