check process nginx with pidfile /var/run/nginx.pid
    start program = "/bin/systemctl start nginx"
    stop program  = "/bin/systemctl stop nginx"
    if not exist for 1 cycles then restart
    if not exist for 3 cycles then exec "/opt/MonitNotify.sh 'SRV-WARN: Nginx"
        else if recovered then exec "/opt/MonitNotify.sh 'SRV-OK: Nginx'"