Ntp time (chrony) not synchronized

Hello,

Thank you all for your help, just in case someone has the same issue, the following solution solved mine:

ssh to the server and clear cache.

rm /var/lib/check_mk_agent/cache/chrony.cache

And generate cache again by run check_mk_agent

check_mk_agent

Update: Clear cache only fix it temporarily. Need start check_mk-async.service to fix it permanently.

systemctl enable check_mk-async.service
systemctl start check_mk-async.service
systemctl status check_mk-async.service

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