#!/bin/bash

# get number of processes
NUM=$(ps aux | grep sbin[/]apache2 | wc -l)

# get max allowed
MAX=$(grep '^\s*MaxRequestWorkers' /etc/apache2/mods-enabled/mpm_prefork.conf | awk '{print $2}')

# get percentage of overhead
PER=$(( 100 * $NUM / $MAX ))

echo "Number of workers;    $NUM"
echo "Maximum allowed:      $MAX"
echo "Percentage utilized:  $PER%"