Network UPS Tools (also known as NUT) is an extremely powerful and versatile client/server based approach to UPS monitoring. Products from a wide range of vendors (APC, Belkin, Best Power, MGE, Tripp-Lite, etc.) are supported. A shared UPS can be monitored by one host, notifcations being sent to the other hosts via authenticated TCP connections. A Web interface is available, as is a Windows client.
PowerTop is tool that detects which Linux programs
and kernel tunables are resulting in the largest
power consumption and use of battery time. By
fixing (or closing) these applications or
processes, you can immediately see the power
savings in the tool. You'll also see the estimated
time left for battery power if you are running a
Suspend2 allows you to hibernate your machine without needing APM, BIOS, or ACPI support. It creates an image that is saved in your active swap partitions, swap files, ordinary files or (soon) across a network. At the next system boot, the kernel detects the saved image, restores the memory from it and then it continues to run as if you'd never powered down.
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asapm is an AfterStep look & feel Advanced Power Management (APM) monitor for laptop and notebook PCs running Linux or FreeBSD/NetBSD/OpenBSD and X Windows. It displays charge left in the battery, the time left to the total discharge of the battery, computer is connected to the mains or is working on a battery and the battery status high/low/critical.
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NVRAM WakeUp can read and write the WakeUp time in
the BIOS (via /dev/nvram on recent 2.4.x kernels).
On this WakeUp time the computer will be powered
on automatically from the soft-off state.
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Cpuspeedy allows you to change the clock speed and voltage of CPUs using
Linux's CPUFreq driver. It is a user space program, so it will work on
every processor supported by the kernel's CPUFreq driver.
Apcupsdは、UPSを監視し、電源障害が発生した場合には、円滑にコンピュータのシャットダウンを実行するためのプログラムです。Linux, Mac OS/X, Win32, BSD, Solaris, その他のOSで動作します。
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The ACPI wakeup tool is a small command line
application that allows your Linux computer to
wake up from soft-off (S5) at a predetermined
time. It is ideal for situations where you want to
have a server turn off at night but power itself
on in the morning automatically.
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Xacpimon is a simple battery life indicator for Linux notebooks that support ACPI power management. On notebooks that use X Window System displays, xacpimon displays a basic progress bar that indicates the percentage of battery charge remaining. The program runs in any X Window System environment and is designed to be flexible enough to handle various notebook power management configurations.
OSXControl allows you to shut down, reset or put
to sleep an Apple computer running OS X after a
set time lapse. A plugin architecture is supported
for user extensions. It also has automation
features and G4 optimization.
printerpowerd is a little Python script designed for users of older printers who want to save power when not using their printer, without manually turning it on and off. It runs, checking the printer queue directory every five seconds, turns it on when it sees a job, and turns it off after a configurable amount of idle time.
Tecnoupman is a manager/monitor for the Powercomm and Tecnoware XP UPSes family.
Along with the software are detailed
instructions about the protocol used by the UPS.
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backupsd is an ultra-simple daemon to handle emergency shutdown of a NetBSD system when a connected APC Back-UPS signals a power failure. This is an ongoing project; suggestions, bugfixes, and additional code are appreciated.
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bpowerd is a daemon and makes proper use of the system log for error checking. It uses init's powerstatus calls to do it's dirty work, instead of calling shutdown itself. bpowerd is easy to compile and configure, using GNU's autoconf and providing explicit instructions for testing and installation. bpowerd was created using specs provided from the manufacturer, as opposed to reverse-engineering.
Lame UPS is an automatic system shutdown and power failure logging program written in C.