cpu.sh - ssh script by ActiveXperts Software

cpu.sh checks CPU usage on a host.

Use cpu.sh directly from ActiveXperts Network Monitor; in the Manager's 'Monitor' menu, select 'New Check (Script)' and select cpu.sh. Configure the required parameter, or press 'Load a working sample'.

In ActiveXperts Network Monitor, Administrators can use three different scripting languages: Powershell, VBScript and SSH.

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cpu.sh script code

#################################################################################
# ActiveXperts Network Monitor - Shell script checks
# © 1999-2015, ActiveXperts Software B.V.
#
# For more information about ActiveXperts Network Monitor and SSH, please
# visit the online ActiveXperts Network Monitor Shell Script Guidelines at:
#   http://www.activexperts.com/support/network-monitor/online/linux/
#################################################################################
# Script
#     cpu.sh
# Description
#     Checks CPU usage on the computer.
# Declare Parameters
#     1) nMaxCpuUsage (int) - minimum allowed CPU usage (%)
# Usage
#     cpu.sh <nMaxCpuUsage>
# Sample
#     cpu.sh 70
#################################################################################

#!/bin/sh

# Macro definitions
nMaxCpuUsage=$1
nCpuLoadPercentage=0

# Validate number of arguments
if [ $# -ne 1 ] ; then
  echo "UNCERTAIN: Invalid number of arguments - Usage: cpu <nMaxCpuUsage>"
  exit 1
fi

# Check the CPU usage
for PSID in `ps uax | awk '{if ($3 > 0) {print $3} }'`
do
  nCpuLoadPercentage=`echo "$nCpuLoadPercentage $PSID" | awk '{ print $1 + $2 }'`
done

# Check if the CPU usage good or bad is
st=$(echo "$nCpuLoadPercentage < $nMaxCpuUsage" | bc)
if [ $st -eq 1 ] ; then
  echo "SUCCESS: CPU usage is [$nCpuLoadPercentage%], minimum allowed=[$1%] DATA:$nCpuLoadPercentage"
else
  echo "ERROR: CPU usage is [$nCpuLoadPercentage%], minimum allowed=[$1%] DATA:$nCpuLoadPercentage"
fi