Monit – Easy, proactive monitoring

check host localhost with address 127.0.0.1
      if failed ping then alert        
      if failed port 3306 protocol mysql then alert

check process apache with pidfile /var/run/httpd.pid
      start program = "/etc/init.d/apache2 start"
      stop  program = "/etc/init.d/apache2 stop"

Monit is a small Open Source utility for managing and monitoring Unix systems. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

Monit – Easy, proactive monitoring of processes, programs, files, directories, filesystems and hosts →