Alejandro wrote:
Hi all,
Currently I have a big question.
What is the best OPEN SOURCE solution for monitoring multiple Host and Services, for example for using in a WebHosting Provider with 50 hosts or more.
What exactly are you interested in monitoring? Different tools have different uses. If your used to nagios and your environment isn't that big perhaps you should take a peek at groundworks -
http://www.groundworkopensource.com/community/community-edition.html
I use a combination of nagios and cacti, nagios for event based monitoring and cacti for performance monitoring/trending. My cacti is *heavily* customized the result of hundreds of hours of work and monitors roughly 11 million data points a day. Nagios monitors about half a million.
But depending on what exactly your monitoring will depend on what tool is best. e.g. how complex of monitors are you needing. Do you just need PING and basic HTTP checks or are you looking into more complex application level monitoring?
nate