http://www.zenoss.com/

http://wiki.zenoss.org/Install_Zenoss

• Agent-less
• Free or Commercial Versions
• Easy Install

http://community.zenoss.org/docs/DOC-7387

http://wiki.zenoss.org/Free_Zenoss_ZenPacks

On CentOS 6 x64:

wget --no-check-certificate https://github.com/zenoss/core-autodeploy/tarball/4.2.5 -O auto.tar.gz
tar xvf auto.tar.gz
cd zenoss-core-autodeploy-<tab>

Optionally edit zenpack_actions.txt which defines all ZenPacks that will be installed. If you would like to avoid installing certain ZenPacks, then remove the corresponding lines.

./core-autodeploy.sh

A log /opt/zenoss/log/install.log will be created.