system/apcupsd: Initial import

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+README-SLACKWARE
+Written by Robby Workman <rworkman@slackbuilds.org>
+
+
+First, see /usr/doc/apcupsd-3.14.0/examples/make-hiddev if you're using
+a 2.4.x kernel and need to manually create the device node(s).
+
+
+Second, you'll need to start the apcupsd service at boot.
+The recommended way is to add the following to your /etc/rc.d/rc.local
+script:
+
+  if [ -x /etc/rc.d/rc.apcupsd ]; then
+    /etc/rc.d/rc.apcupsd start
+  fi
+
+Make sure the rc.apcupsd script is executable.
+
+
+Finally, you'll need to edit your /etc/rc.d/rc.6 script for apcupsd
+to perform the shutdown on power failures.  Here's the short version:
+Scroll down to the end of rc.6 - you should see a section that calls 
+/sbin/genpowerd.  Comment out (or remove) this entire section:
+
+  if [ -x /sbin/genpowerd ]; then
+    # See if this is a powerfail situation:
+    if /bin/egrep -q "FAIL|SCRAM" /etc/upsstatus 2> /dev/null ; then
+      # Signal UPS to shut off the inverter:
+      /sbin/genpowerd -k
+      if [ ! $? = 0 ]; then
+        echo
+        echo "There was an error signaling the UPS."
+        echo "Perhaps you need to edit /etc/genpowerd.conf to configure"
+        echo "the serial line and UPS type."
+        # Wasting 15 seconds of precious power:
+        /bin/sleep 15
+      fi
+    fi
+  fi
+
+
+Now replace that section with this (or add immediately after it if you
+chose to comment out the original):
+  
+  # This will cause the UPS to kill the power supply after a configurable number
+  # of seconds (see the apcupsd.conf file).  This is important for situations
+  # where the mains power comes back before the UPS batteries are completely
+  # dead.
+  if [ -f /etc/powerfail ]; then
+    echo
+    echo "apcupsd will now power off the UPS"
+    echo
+    /etc/apcupsd/apccontrol killpower
+    echo
+    echo "Please ensure that the UPS has powered off before rebooting."
+    echo "Otherwise, the UPS may cut the power during the reboot."
+    echo
+    halt -f -p         # power down the system if the hardware is capable
+  fi
+