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Unable to upgrade/install Plesk on Ubuntu/Debian: the following packages have unmet dependencies

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3 comments

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    Sam Smith

    Hi How can I do this in Debian 8?  Any solution please

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    Ivan Postnikov

    Hello Sam Smith

    In your case update doesn't work because Debian 8 has reached End-of-life.

    The recommendation is to perform migration to a server with a newer update: https://support.plesk.com/hc/en-us/articles/213912645

    Alternatively, perform dist-upgrade first: https://support.plesk.com/hc/en-us/articles/213410369.

    The 2nd option is considered as riskier and a server snapshot before upgrade is recommended.

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    Swapnil Wagh

    Hi Yulia Plokhotnikova,

    I am facing this error even after correcting the sources.list file:

    ===============

    Enabled repositories check
    Plesk installation requires 'Debian/stretch/main' OS repository to be enabled.
    Make sure it is available and enabled, then try again.
    Plesk pre-upgrade check
    FATAL_ERROR: Unable to find Plesk 17.x. Tool must be launched prior to upgrade to Plesk 18.0.31 for the purpose of getting a report on potential problems with the upgrade.
    =============

    Current Plesk version is Version 17.5.3. I am upgrading to "Plesk Obsidian 18.0.31".
     
    Would you or someone else please help?
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