Email notification is sent from KernelCare: /usr/bin/kcarectl --auto-update --gradual-rollout=auto Unknown Kernel

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    Alan Melnikov

    Hello, this message comes to me too: Cron <root@static> /usr/bin/kcarectl --auto-update --gradual-rollout=auto, Can you tell me what to do?

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    Taras Ermoshin

    Hello @Alan Melnikov !

    Is there the text starting with "Unknown Kernel" after "--gradual-rollout=auto" ? If yes, then this article describes your case and you should follow the instructions from the Resolution section.

    Also, this article from CloudLinux (they develop KernelCare) can help you find out if your kernel is supported or not.

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    Georg Schreier

    Hello, after I removed the extension, I still get the notification. Does something else have to be considered in addition to the instructions? Thanks in advance.

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    Anna Morozyuk

    Hi @Georg Schreier!

    Most probably you have faced a Plesk bug with ID: EXTCERT-200.

    Use the Resolution from the article below:
    https://support.plesk.com/hc/en-us/articles/115002396785-Errors-are-emailed-after-KernelCare-extension-removal-bin-sh-1-usr-bin-kcarectl-not-found
    And feel free to subscribe to the article below to get informed, when it is going to be fixed.

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    Georg Schreier

    Hi @Anna Morozyuk,

    thank you, that was the solution.

    Best regards.

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    Carlos Oropesa

    Another solution,

    Don't remove the extension, just disable the cronjob (via commands).

    #> nano /etc/cron.d/kcare-cron

    Comments the line and save it.

    #57 */4 * * * root /usr/bin/kcarectl -q --auto-update

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