SLEEPD(8)						      System Manager's Manual							 SLEEPD(8)

NAME

       sleepd - puts a laptop to sleep during inactivity or on low battery

SYNOPSIS

       sleepd  [-s  command]  [-d  command]  [-u  n]  [-U n] [-I] [-i n] [-E] [-e filename] [-a] [-l n] [-w] [-n] [-v] [-c n] [-b n] [-A] [-H] [-N
       [device] [-r n] [-t n]]

DESCRIPTION

       sleepd is a daemon to force laptops to go to sleep after some period of inactivity. This is useful if your laptop does not automatically go
       to  sleep  when you aren't using it, and, like me, you often forget to shut it off. It is also capable of suspending a laptop when its bat-
       tery gets very low.

       sleepd can detect activity in several ways. The default is to poll both event devices and interrupts to detect when your laptop is  in  use
       due  to	keyboard  or mouse activity.  It defaults to polling /dev/input/event*. You may specify a list of device files to poll instead, or
       use options to enable other means of checking for activity (network activity, utmp, or load average). After a configurable amount  of  time
       with no activity, sleepd runs a program to put the laptop to sleep.

OPTIONS

       -h, --help
	      Show summary of options.

       -n, --nodaemon
	      Don't fork to background; run in forground.

       -v, --verbose
	      Output status messages.

       -u, --unused
	      Number  of  seconds the laptop can remain idle before being put to sleep.  Defaults to 600 seconds (10 minutes). Set to 0 to disable
	      any sleeping due to idleness.

       -U, --ac-unused
	      If set, controls the number of seconds the laptop can remain idle before being put to sleep when running on AC power.  If  not  set,
	      the laptop will not sleep when it's on AC power.

       -e, --event
	      Adds an event file to the list that is watched. Using this switch disables polling all files in /dev/input/event*.

       -E, --no-events
	      This switch disables event device polling.

       -l, --load
	      If set, a load average higher than this number will prevent the computer from sleeping If not set, the computer will ignore the load
	      average.

       -w     If set, sleepd will also check idletime based on utmp. This will prevent the system  from  sleeping  while  remote  connections  are
	      active. It uses the time limit from -u.

       -i, --irq
	      Adds  an	irq  to  the  list that is watched. Using this switch disables automatic detection of keyboard and mouse irqs unless -a is
	      specified as well.

       -I, --no-irq
	      This switch disables interrupt polling.

       -a, --auto
	      Automatically detect and watch mouse and keyboard irqs.

       -s, --sleep-command
	      Command to run to put the laptop to sleep. Defaults to "apm -s" for systems with APM and "pm-suspend" for systems with ACPI.

       -b, --battery
	      If this option is specified, the daemon will put the laptop to sleep if the percentage of battery charge drops below  the  specified
	      number  and  the	system is off AC power. This is useful for some laptops which don't handle this themselves. It supports using APM,
	      ACPI, and HAL for querying battery status.

       -d, --hibernate-command
	      A command to run instead of the regular sleep command when the battery is low. This can be useful if you want to make the system	go
	      to sleep when it's not active, but suspend to disk if the battery is low. If not set, the sleep command is used.

       -N, --netdev
	      Monitor  a  network  interface  for activity based on packet count. eth0 is the default. This option may be used more than once with
	      different network interfaces.

       -t, --tx-min
	      Set a baseline transmit raffic rate in packets per second for network monitoring. Requires -N.

       -r, --rx-min
	      Set a baseline receive traffic rate in packets per second for network monitoring. Requires -N.

       -A, --and
	      Only go to sleep if all specified conditions are met. For example, only sleep if idle and if the battery is low.

       -c, --check-period
	      Number of seconds between check on system status. Defaults to 10 seconds, which should be fine generally.

       -H, --force-hal
	      Force HAL to be used instead of ACPI or other methods to query battery status.

SEE ALSO

       sleepctl(1)

       http://kitenet.net/~joey/code/sleepd/

BUGS

       Interrupt monitoring cannot always detect keyboard and mouse.  If the keyboard or  mouse  interrupt  is	shared	(as  is  common  with  usb
       devices), other devices on the same interrupt can keep the system awake.  Use event device polling instead.

AUTHOR

       Joey Hess <joey@kitenet.net>

																	 SLEEPD(8)