Minimal monit config example

monitrc

# /etc/monit/monitrc
set daemon 60
set logfile /var/log/monit.log
set idfile /var/lib/monit/id
set statefile /var/lib/monit/state
set eventqueue basedir /var/lib/monit/events slots 100
set mailserver mail.example.com
set alert monit@example.com
set httpd port 2812 and use address localhost allow localhost
include /etc/monit/conf.d/*

service

# /etc/monit/conf.d/service_name
check process service_name pidfile /path/to/service.pid
  start "/path/to/start-stop-script start" uid your_name gid your_group
  stop "/path/to/start-stop-script stop"