A little script to check the status of system services with a nice colored output.

check-services.sh

#!/bin/bash
# Checks if services are up by counting the number of processes.

function check_service {
  PROCS=$(ps ax | grep "$1" | wc -l)

  if [ $PROCS -gt 1 ] ; then
    echo -e "[\e[1m\e[32mUP\e[0m]"
  else
    echo -e "[\e[1m\e[31mDOWN\e[0m]"
  fi
}

echo "Apache:               $(check_service apache2)"
echo "Courier:              $(check_service courier)"
echo "Mysql:                $(check_service mysql)"
echo "Open DKIM:            $(check_service opendkim)"
echo "Postfix:              $(check_service postfix)"
echo "SASL Auth:            $(check_service saslauthd)"
echo "Spamassassin:         $(check_service spamd)"
echo "VSFTP:                $(check_service vsftpd)"