gonit is a replacent for monitoring software monit. monit was removed from Debian 10 due to security issues and the devloper will not provide a patch for the security vlunerabilty in time for Debian 10 release.
You can download gonit from
https://github.com/bitnami/gonit
root@ip-172-26-14-184:~# gonit status Uptime 22h5m41s Last Check 2019-08-05 08:23:57.612314368 +0000 UTC m=+79440.116643915 Next Check 2019-08-05 08:25:57.612314368 +0000 UTC m=+79560.116643915 Pid 3162 Pid File /var/run/gonit.pid Control File /etc/gonit/gonitrc Socket File /var/run/gonit.sock Log File /var/log/gonit.log Process 'apache' status Running pid 2020 uptime 22h5m41s monitoring status monitored Process 'mysql' status Running pid 1911 uptime 22h5m41s monitoring status monitored Process 'php-fpm' status Running pid 2014 uptime 22h5m41s monitoring status monitored root@ip-172-26-14-184:~#