Add Check_scripts/Linux - Disk usage monitor.sh

Check_scripts/Linux - Disk usage monitor.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+# Usage: "Linux - Disk usage monitor.sh"
+# 
+# Description:
+#   This script is used from inside of Tactical RMM instances to check the Disk usage. 
+#   This script should be deployed as a check script.
+#
+# Options:
+#   n/a
+#
+# Author: D. de Kooker (info@dcomputers.nl)
+# Sources: https://www.activexperts.com/support/network-monitor/online/linux/
+# Changelog :
+#   27-06-2022 - Initial script from source, tweaked for my environment
+
+#set value to percent threshold to monitor
+VALUE=90
+
+#parse disk usage percentages
+OUTCODE=0
+declare -i OUTCODE
+for line in $(df -hP | egrep '^/dev/[^loop]' | awk '{ print $1 "_:_" $5 }')
+  do
+    FILESYSTEM=$(echo "$line" | awk -F"_:_" '{ print $1 }')
+    DISK_USAGE=$(echo "$line" | awk -F"_:_" '{ print $2 }' | cut -d'%' -f1 )
+
+    if [ $DISK_USAGE -ge $VALUE ];
+    then
+      echo -e "Disk Usage Alert: Needs Attention!" "A disk is using $DISK_USAGE% greater than threshold $VALUE%"
+      df -hP
+      OUTCODE+=1
+    else
+      echo "Disk usage okay."
+    fi
+done
+
+if [ $OUTCODE -gt 0 ];
+then 
+ exit 1
+else
+ exit 0
+fi