Zenoss is an open source SQL server monitoring program with commercial support. Zenoss Inc. provides commercial support which develops this progeam. his program can be downloaded for free and can be run on the platform Multi Distro Linux OS and distributed under the GNU Public License. Zenos application can be used to observe the computer device, Network Device (Switch, Router etc.) that are currently active from the interface, processes, services, file system, and routing. All computers on the network can be monitored simultaneously both run on Windows and Linux platforms. All Activities devices can be displayed as text or in graphic form; Alert Messages can be sent via email or SMS.