Penguin

UPS.CONF

UPS.CONF

NAME DESCRIPTION FIELDS INTEGRATION SEE ALSO


NAME

ups.conf - UPS definitions for Network UPS Tools

DESCRIPTION

This file is read by the driver controller upsdrvctl, the UPS drivers that use the common core (see nutupsdrv(8)) and upsd(8). Each UPS gets its own section, and that section contains a number of directives that set parameters for that UPS.

The section begins with the name of the ups in brackets, and continues until the next UPS name in brackets or until EOF. The name

You must define the

[myups?

driver = fentonups port = /dev/ttyS0

A slightly more complicated version includes some extras for

the hardware-specific part of the driver
[bigups?

driver = apcsmart port = /dev/cua00 cable = 940-0095B sdtype = 2

In this case, the apcsmart(8) driver will receive variables called __

Note that apcsmart__(8)? will accept on the command line via -x. All options that can be specified with

  • x can be set here in this file. In the event that a value

is set both here and on the command line, the command line takes precedence. This allows you to set reasonable defaults in this file and then override them manually when needed.

FIELDS

driver

Required. This specifies which program will be monitoring this UPS. You need to specify the one that is compatible with your hardware. See nutupsdrv(8) for more information on drivers in general and pointers to the man pages of specific drivers.

port

Required. This is the serial port where the UPS is connected. On a Linux system, the first serial port usually is /dev/ttyS0. On FreeBSD and similar systems, it probably will be /dev/cuaa0.

sddelay

Optional. You can set this to a number of seconds that the driver will allow to elapse when you tell it to shut down the UPS with -k. This is the same as doing -d

sdorder

Optional. When you have multiple UPSes on your system, you usually need to turn them off in a certain order. upsdrvctl shuts down all the 0s, then the 1s, 2s, and so on. To exclude a UPS from the shutdown sequence, set this to

  • 1.

The default value for this parameter is 0.

nolock

Optional. When you specify this, the driver skips the port locking routines every time it starts. This may allow other processes to seize the port if you start more than one accidentally.

You should only use this if your system won't work without it.

Note to FreeBSD users: all new style drivers (i.e. drivers that support ups.conf) now automatically disable locking during shutdown (-k). This means you can use the shutdown routines even when your filesystems are mounted read-only.

maxstartdelay

Optional. This can be set as a global variable above your first UPS definition and it can also be set in a UPS section. This value controls how long upsdrvctl will wait for the driver to finish starting. This keeps your system from getting stuck due to a broken driver or UPS.

The default is 45 seconds.

All other fields are passed through to the hardware-specific part of the driver. See those manuals for the list of what is allowed.

INTEGRATION

upsdrvctl uses this file to start and stop the drivers.

The drivers themselves obtain configuration data from this file when they are started by upsdrvctl, or when you start them with -a. See nutupsdrv(8) for more information on that.

upsd(8) learns about which UPSes are installed on this system by reading this file. If this system is called upsc(8) or similar as __

Additionally, the first UPS in this file is the default ups in upsd. If you tell one of the clients to monitor a UPS by the hostname alone (

SEE ALSO

upsd(8), nutupsdrv(8), upsdrvctl(8)

Internet resources:

The NUT (Network UPS Tools) home page: http://www.exploits.org/nut/

NUT mailing list archives and information: http://lists.exploits.org/


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