Easy Guardian provides alarms by texting system administrators If you would like to monitor you server 24h/24h this is the right tool for you! It brings together NMAP and Net-SNMP in a small silent Linux embedded box. Visit: http://www.easyguardian.com
You can try it also if you are not a FoxBox owner, the utility is tuned by default on the online demo, so you can export and modify the demo contents and try how it is simple to manage your SMS application with FoxBox!
The user manual is included in the download, but if you want to take a look just click here.