-=[Big Brother System and Network Monitor ]=-

Big Brother is a free for non-commercial use system monitoring tool available for all flavours of unix and linux. The kit allows you to monitor all servers in your intranet or internet network and notify you about all problems. If you're a sysadmin you have to install it. Rating: [-] 5 of 6 Author: The MacLawran Group Inc. License: Big Brother license

• Simple network connectivity via ping
• Network can check the availability of ftp, http, smtp, pop3, dns, telnet, imap, nntp, and ssh servers
• Local system clients monitor disk space, CPU usage, messages, and can check that important processes are up and running
• Support for multiple DISPLAY and PAGER servers for high-availability.
• Warning and alarm levels are all easily redefinable
• Web Display can be easily modified
• Support for custom external tests
• Integration with other systems like MRTG
• Many custom tests available to test things like Oracle databases
• Notify via e-mail, numeric pager, alphanumeric pager, or custom
• Notify based on machine name, test type, time of day, test result
• delay notifications until a problem has existed for a predetermined amount of time
• require notifications be acknowledged and escalate if not acked
• disable repeated pages from the web display
• automatic escalation should a problem exist for longer than a predetermined amount of time