scorpio2k2 · October 4, 2012 18:18 · Oct 4, 2012
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+#The limit is 30% now
+limit=10
+mail=contact@debian-tutorials.com
+tmp_file=/tmp/diskusage
+hostname=`hostname`
+
+#Now the script will calculate the current disk usage
+disk=$(df -h | head -2 | tail -1 | awk '{print $5}' | sed 's/%//')
+
+#Now the script will compare the current value with the limit
+if [ $(expr $disk ">=" $limit) -ne 0 ]
+then
+
+echo "Your Disk space limit is set to: $limit %" > $tmp_file
+echo "Occupied space on the server is: $disk %" >> $tmp_file
+echo "Notification!!! Disk Space Usage on server $hostname exceeded the limit." >> $tmp_file
+fi
+
+#Now we send the notification
+if [ -e $TEMPFILE ]
+then
+mail -s "IMPORTANT!!! Disk Space Notification" $mail < $tmp_file
+fi
+exit 0