Check_MK is a free, open-source IT infrastructure monitoring tool. It’s actually Nagios plugins which enhances their capabilities and performance. It replaces the standard Nagios GUI and way the systems are monitored on Nagios, it gives the graphical administration of monitoring and boosts other features like auto-detection of configurations in a monitored system, specials checks in addition to Nagios checks, SNMP based agentless monitoring, filtering, viewing and alerting for log records and event data.
This article will help you to install and configure the Check_MK server on CentOS 7.
Now, proceed with configuring monitoring instance and start to configure the server. You can use any instance name in place of techoismmonitor.
# omd create techoismmonitor
Above command will create a new instance on check_mk along with user and group name techoismmonitor. The home directory for the user is /opt/sites/techoismmonitor
# su - techoismmonitoring # omd start
Step 7: Access Check_MK on the web browser
Now you are good to go. You can use the below URL to access the Check_MK monitoring tool.
http://<Server_IP/<Instance_name> OR http://<Server_Hostname>/<Instance_name>
User name as “cmkadmin” and secret password were displayed in command output when you make techoismmonitor instance. In spite of the fact that we can change the password using the mentioned command or you can also use the same password displayed in the command output.
# su - techoismmonitor # htpasswd -m ~/etc/htpasswd cmkadmin
Note: If you are using the same password disabled in command output then skip above steps.
Step 8: Download the Check_Mk agent on Linux
You can download check_mk Agents from the following URL: