apcupsd

Dependencies

For apcupsd to be able to communicate with UPSes connected via USB,
the kernel extension must be installed by the root user:

  sudo cp -pR $HOMEBREW_CELLAR/apcupsd/3.14.14/Library/Extensions/ApcupsdDummy.kext /System/Library/Extensions/
  sudo chown -R root:wheel /System/Library/Extensions/ApcupsdDummy.kext
  sudo touch /System/Library/Extensions/

  Note: The kernel extension currently does not work as expected.

  You will have to unplug and plug the USB cable back in after each
  reboot in order for apcupsd to be able to connect to the UPS.

To load apcupsd at startup, activate the included Launch Daemon:

  sudo cp $HOMEBREW_CELLAR/apcupsd/3.14.14/lib/Library/LaunchDaemons/org.apcupsd.apcupsd.plist /Library/LaunchDaemons
  sudo chmod 644 /Library/LaunchDaemons/org.apcupsd.apcupsd.plist
  sudo launchctl load -w /Library/LaunchDaemons/org.apcupsd.apcupsd.plist

If this is an upgrade and you already have the Launch Daemon loaded, you
have to unload the Launch Daemon before reinstalling it:

  sudo launchctl unload -w /Library/LaunchDaemons/org.apcupsd.apcupsd.plist
  sudo rm /Library/LaunchDaemons/org.apcupsd.apcupsd.plist