checkmk Agent installation on linux
Download the Agent
Setup --> Agents --> "Windows, Linux, Solaris, AIX" --> Related --> "Linux, Solaris, AIX" --> right click on the file --> Copy link address
Install the Agent
For Debian based systems
wget http://syslog.simmy.ch/monitoring2/check_mk/agents/check-mk-agent_2.2.0p17-1_all.deb
apt install ./check-mk-agent_2.2.0p17-1_all.deb
if ufw is active, then you have to enable the service port:
ufw allow 6556
For Red Hat/Fedora based systems
wget http://syslog.simmy.ch/monitoring2/check_mk/agents/check-mk-agent-2.2.0p17-1.noarch.rpm
sudo yum install -y -q check-mk-agent-2.2.0p17-1.noarch.rpm -y
Open the firewall for checkmk-agent on port 6556
For Univention based systems
Installationsanleitung checkmk 2.0 check_mk_agent auf UCS 5.0
Register agent to the monitoring server
cmk-agent-ctl register --hostname $(hostname -f) --server syslog.simmy.ch --site monitoring2 --user cmkadmin
Useful commands
ss -tulpn | grep 6556
echo | nc <localhost> 6556
cmk-agent-ctl status