apcupsd ☆

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Description:
Daemon for controlling APC UPSes

Type: Formula | Latest Version: 3.14.14@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: System utilities

Tags: apc ups power-management daemon hardware-monitoring

Install: brew install apcupsd

About:
apcupsd is a daemon that monitors UPS (Uninterruptible Power Supply) hardware from American Power Conversion (APC). It communicates with the UPS to track battery status, power events, and load levels. The tool enables automatic, graceful system shutdowns during power failures to prevent data loss and hardware damage.

Key Features:

Monitors UPS battery status, line voltage, and load
Supports USB, serial, and network connections to UPS units
Provides event-driven scripts for power failure and shutdown events
Includes a network information server (NIS) for remote monitoring

Use Cases:

Protecting servers and workstations from unclean shutdowns during power outages
Monitoring power quality and battery health for critical infrastructure
Automating graceful system shutdowns when battery reserves are low

Alternatives:

NUT (Network UPS Tools) – NUT is a more widely adopted, vendor-agnostic standard with broader device support, while apcupsd is specifically optimized for APC hardware.

License: GPL-2.0-only

Dependencies: gd, libusb-compat, systemd

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, catalina, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Sep 14, 2025 4:04pm		0	VERSION_BUMP	3e8ae78a
Sep 12, 2024 4:50pm		0	VERSION_BUMP	6bf776c3