| Apcupsd | |
|---|---|
| Original author | Kern Sibbald[1]: 1 |
| Developer | Adam Kropelin[1]: 1 |
| Initial release | April 7, 2005; 20 years ago (2005-04-07) |
| Stable release | 3.14.14 (May 31, 2016; 9 years ago (2016-05-31)) [±] |
| Written in | C++ |
| License | GPL |
| Website | www |
| Repository | |
Apcupsd, short forAPCUPSdaemon, is autility that runs onLinux,UNIX,macOS andWindows.[1]: 1, 8–9 It allows the computer to interact with APC UPSes. Apcupsd also works with someOEM-branded products (e.g.Hewlett-Packard) manufactured by APC.[1]: 7 [2][3]
Apcupsd is afree software equivalent of the APC'sproprietaryPowerChute software.[citation needed] As of version 3.14, Apcupsd has support for the PowerChute Network Shutdown function as well as many other features.[1]: 34
Apcupsd runs in daemon mode so to keep a live connection with the UPS. Depending on the settings and type of connection, Apcupsd either polls the UPS to learn about its current state, or receives messages from the UPS itself (e.g. viaSNMP traps). Possible types of connections to the UPS areUSB,RS-232 or Ethernet.[2]Apcupsd can communicate with other instances of Apcupsd on other computers and maintain aclient-server relationship with them. This way it is possible to power multiple computers with one UPS, even though only one of them is connected to the data port of the UPS.
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