I would like to install a monitoring services (Monit or others) on my web server and am looking for recommendation.
I have no idea which is good, and what parameters which I should evaluate on, and which is a good for for my needs.
Some which I saw and am evaluating are
Monit http://mmonit.com/monit/
God http://god.rubyforge.com
Daemontools http://cr.yp.to/daemontools.html
About my server
Ubuntu/Apache/Nginx/Mysql Serving Django application.
Some other services I need to be monitoring.
Openoffice running headless.
Custom python daemons.
Xvfb.
Parameters which are important are, (in order).
Reliable.
Easy to install and monitor.
Not too resource heavy.
Unixy.
Send email when a service goes down.
Has webpage with status of services.
Which of the above or other tools is best for my needs.