initial commit

chapter18/OpenBSD_swap_mon.ksh

@@ -0,0 +1,67 @@
+#!/bin/bash
+#
+# SCRIPT: OpenBSD_swap_mon.ksh
+#
+# AUTHOR: Randy Michael
+# DATE: 10/31/2007
+# REV: 1.2.BOO
+#
+# PLATFORM: OpenBSD Only
+#
+# PURPOSE: This shell script is used to produce a report of 
+#          the system's paging space statistics including:
+#
+#       Total paging space in MB, MB of Free paging space,
+#       MB of Used paging space, % of paging space Used, and
+#       % of paging space Free
+#
+# REV LIST:
+#
+#
+# set -x # Uncomment to debug this shell script
+# set -n # Uncomment to check command syntax without any execution
+#
+###########################################################
+################ DEFINE VARIABLES HERE ####################
+
+PC_LIMIT=65            # Percentage Upper limit of paging space
+                       # before notification
+
+THISHOST=$(hostname)   # Host name of this machine
+PAGING_STAT=/tmp/paging_stat.out # Paging Stat hold file
+
+###########################################################
+################ INITIALIZE THE REPORT ####################
+
+echo "\nPaging Space Report for $THISHOST\n"
+date
+
+###########################################################
+############# CAPTURE AND PROCESS THE DATA ################
+
+# Load the data in a file without the column headings
+
+swapctl -lk | tail +2 | awk '{print $2, $3, $4, $5}' \
+            | while read KB_TOT KB_USED KB_AVAIL PC_USED
+do
+     (( TOTAL = KB_TOT / 1000 ))
+     (( MB_USED = KB_USED / 1000 ))
+     (( MB_FREE = KB_AVAIL / 1000 ))
+     PC_FREE_NO_PC=$(echo $PC_USED | awk -F '%' '{print $1}')
+     (( PC_FREE = 100 - PC_FREE_NO_PC ))
+    
+     # Produce the rest of the paging space report:
+     echo "\nTotal MB of Paging Space:\t${TOTAL}MB"
+     echo "Total MB of Paging Space Used:\t${MB_USED}MB"
+     echo "Total MB of Paging Space Free:\t${MB_FREE}MB"
+     echo "\nPercent of Paging Space Used:\t${PC_USED}"
+     echo "\nPercent of Paging Space Free:\t${PC_FREE}%\n"
+done
+
+
+# Check for paging space exceeded the predefined limit
+
+if (( PC_LIMIT <= PC_FREE_NO_PC ))
+then
+     echo "\n\nWARNING: Paging Space has Exceeded the ${PC_LIMIT}% Upper Limit!\n"
+fi