#!/bin/bash

ADMIN_MAIL="guillem@localhost"
INTERFACES="eth0"
SERVICES="apache exim mysql ssh svnserve"

PATH=/usr/sbin:/usr/bin:/sbin:/bin

function line
{
	printf "\n--------------------------------------------------------------------------------\n"
}

function ps_count
{
	for name in "$@"
	do
		printf "ps_count %-15s" "$name:"
		ps axu | grep -v "grep\|ps" | grep --count "$name"
	done
}

function ports
{
	netstat -an | grep "udp\|tcp.*LISTEN"
}

(
	line; w
	line; ports
	line; ifconfig $INTERFACES
	line; ps_count $SERVICES
	line; free
	line; df
	line
) | mail -s "`hostname` calling home :-)" $ADMIN_MAIL 2>&1