Hi @anonymous15,
here we go and now I feel confident in checkmk commands:
OMD[checkmk]:~$ omd config show
ADMIN_MAIL:
APACHE_MODE: own
APACHE_TCP_ADDR: 127.0.0.1
APACHE_TCP_PORT: 5000
AUTOSTART: on
CORE: nagios
LIVESTATUS_TCP: off
MKEVENTD: on
MKEVENTD_SNMPTRAP: off
MKEVENTD_SYSLOG: off
MKEVENTD_SYSLOG_TCP: off
MULTISITE_AUTHORISATION: on
MULTISITE_COOKIE_AUTH: on
NAGIOS_THEME: classicui
NSCA: off
PNP4NAGIOS: on
TMPFS: on
OMD[checkmk]:~$ omd version
OMD - Open Monitoring Distribution Version 1.6.0p20.cre