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Will KernelCare extension for Plesk work after migration?

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Leonid Gukhman
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Plesk for Linux kb: how-to ABT: Group A

Applicable to:

  • Plesk for Linux

Question

Will KernelCare extension work after Plesk server migration?

Answer

Due to a KernelCare limitation, license for KernelCare extension needs to be manually unregistered on the source server in order to be used on the destination.

To do it, perform the following steps after the migration is finished:

  1. Connect to the source server via SSH.

  2. Run the following command:

    # kcarectl --unregister

Comments

3 comments

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    Junaid Ahmed

    Hi Leonid Gukhman,

    I have tried to run this command and I see the success message. But the extension still seems to stay licensed. Can you please also advise on how to deploy this on the new server. I do not see a way of extracting the license information from the existing server. It does not seem to have a license key/id anywhere.

     

    thanks,

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    Leonid Gukhman

    Junaid Ahmed

    The KernelCare license is bound to the main Plesk license key, so it is installed on the new one, as well.

    After running the --unregister command on the old server, retrieve keys on the new one under Tools & Settings > License Management.

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    Junaid Ahmed

    Hi Leonid Gukhman, I had tried this prior to my comment and the installation does not find any licenses as such.

    I feel that the two servers may have different independent licenses. These are two separate dedicated machines provided by ionos. Separate IP addresses also. How do I proceed in this situation?

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