Unable to update Plesk with error: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

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    Mark-Oliver Wolter

    2.5 Make sure there is a plesk.gpg in /etc/apt/keyrings. If missing, grab it from http://autoinstall.plesk.com/plesk.gpg

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    Anastasiia Zyrianova

    Hello Mark-Oliver Wolter,

    Thank you for your comment. The article was updated accordingly.

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    Attractive Media

    Tried this solution but for me Imunify360's repos will not acknowledge my adjustments made via the above steps no matter what. I opened a ticket with Plesk Support and will update once we get to a solution in case others face a similar issue.

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