...

Without the bakery, please follow these steps: https://docs.checkmk.com/latest/en/agent_linux_legacy.html#_systemd

ERROR [cmk_agent_ctl] Failed to discover agent receiver port from Checkmk REST API, both with http and https.

Problem

Upon registering the Agent controller for TLS, you encounter this problem:

Solution

Please check and verify that the agent controller is running:

ss -tulpn | grep 6556
 
ps waux | grep cmk-agent-ctl
 
cmk-agent-ctl status
 
systemctl status check-mk-agent.socket
systemctl status cmk-agent-ctl-daemon.service

In that case here, the agent controller is not running because xinetd is running. For the agent controller, systemd is necessary: https://checkmk.com/werk/13865

If you're using the bakery you need to create the following rule:

Without the bakery, please follow these steps: https://docs.checkmk.com/latest/en/agent_linux_legacy.html#_systemd

Related articles

...