check-MK is installed on Monitor
Interface: http://monitor.fortier-family.com/garage/

https://docs.checkmk.com/latest/en/install_packages_debian.html

Created new site garage with version 2.0.0p17.cre.
 
  The site can be started with omd start garage.
  The default web UI is available at http://monitor/garage/
 
  The admin user for the web applications is cmkadmin with password: ****** bitwarden
  For command line administration of the site, log in with 'omd su garage'.
  After logging in, you can change the password for cmkadmin with 'htpasswd etc/htpasswd cmkadmin'.

CentOS7:

rpm -Uvh ./check-mk-agent-2.0.0p17-1.noarch.rpm
firewall-cmd --permanent --add-port=6556/tcp
firewall-cmd --reload