Upgrade Guide to Plesk Obsidian

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    Jef Far

    Hello, is there a way to upgrade a Plesk server offline?
    Or to keep the server off-network and only allow Plesk to communicate with the internet and install the latest Plesk?

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    Ivan Postnikov

    Hello @Jef,

    > Hello, is there a way to upgrade a Plesk server offline? 

    By design, this is not possible, upgrades are done online if you are talking about In-place upgrades.

    For upgrades by transfer only connectivity between old and new Plesk servers is required.


    > Or to keep the server off-network and only allow Plesk to communicate with the internet and install the latest Plesk?

    This is a possible scenario. You may disable Plesk automatic updates and connect the server to the internet only when required and install required updates/upgrades.

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    Jászay Norbert (Edited )

    Current version: Verzió 17.8.11 #67

    plesk installer upgrade PLESK_18_0_18

     

    Exception: Failed to solve dependencies:
    plesk-dovecot-imap-driver-18.0-2.centos.7+p18.0.18.0+t190822.1506.x86_64 requires plesk-dovecot >= 2.3.6
    plesk-dovecot-imap-driver-18.0-2.centos.7+p18.0.18.0+t190822.1506.x86_64 requires plesk-dovecot-pigeonhole >= 0.5.6

    ERROR: The Yum utility failed to install the required packages.
    Attention! Your software might be inoperable.
    Visit https://support.plesk.com/ to search for a solution.
    exit status 1

     

    installed dovecot version:
    plesk-dovecot 2.3.7.2-centos7.19090321 (PLESK_17_8_11-extras)

    plesk-dovecot-core 2.3.7.2-centos7.19090321 (PLESK_17_8_11-extras)

    plesk-dovecot-imap-driver 17.8.11-cos7.build1708190903.21 (PLESK_17_8_11-extras)

    plesk-dovecot-pigeonhole 0.5.7.2-centos7.19090312 (PLESK_17_8_11-extras)

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    Alexey Lapshin

    Hello Jászay,

    Please submit a ticket to Plesk Support https://support.plesk.com/hc/en-us/requests/new to investigate the issue further.

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    Charles Booth

    Hello,

    I expected as part of the upgrade that curl and libcurl would also be updated, but this does not appear to be the case:

    # rpm -q curl libcurl
    curl-7.29.0-54.el7.x86_64
    libcurl-7.29.0-54.el7.x86_64

    According to the change log the version of libcurl on Obsidian is 7.63.0. How can I upgrade this? It is required in order to achieve full compatibility with a software package I am using.

    Thanks

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    Ivan Postnikov

    Hello @Charles,

    Could you, please, provide the OS, where Plesk is installed?

    I will need it to check on a test server.

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    Charles Booth

    Hi @Ivan,

    The OS is CentOS 7.

    Thank you.

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    Ivan Postnikov

    Hello @Charles,

    Thank you, I've reproduced this:

    # rpm -q curl libcurl
    curl-7.29.0-46.el7.x86_64
    libcurl-7.29.0-46.el7.x86_64
    plesk -v
    Product version: Plesk Obsidian 18.0.19
    Build date: 2019/10/02 12:00
    OS version: CentOS 7.5.1804

    I'll clarify the reason will add this information here.

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    Ivan Postnikov

    @Charles, I've clarified this, Packages were updated for Plesk installer binary itself so that it uses more modern version.

    The curl installed on the server is provided by OS vendor.

    You may trying upgrading it using similar method as, for example, here: https://talk.plesk.com/threads/plesk-backup-manager-problem-with-ftps-and-curl.345484/#post-836892

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    Tara

    The upgrade checker doesn't seem to have an Obsidian version on http://autoinstall.plesk.com  Is there one elsewhere? 

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    Ivan Postnikov

    Hello @Tara,

    Let me know what's the exact issue you have?

    According to my tests, the installer takes Plesk Obsidian packages from http://autoinstall.plesk.com/pool/PSA_18.0.*.

    In case Plesk 18 isn't displayed for you as an option for the upgrade, make sure you have Plesk 17.8 installed because this is a prerequisite for Plesk Obsidian.

    Also, make sure your server satisfies Software requirements: https://docs.plesk.com/release-notes/obsidian/software-requirements/

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    Tara

    The upgrade process itself is fine and I was able to upgrade without issue.

    It's just in the instructions above, under Advanced requirements, it says:
    5. Download and run the latest pre-upgrade checker. If a problem is found, it is reported as a warning in the final report. The log file will have a full description of the issue with a link to a helpful KB article. Apply the solutions, then re-run the pre-upgrade checker until no warnings are reported or only non-critical issues (such as business logic warnings) are left.

    You get the pre-upgrade checker from http://autoinstall.plesk.com/<Plesk_version>/examiners/panel_preupgrade_checker.php where <Plesk_version> is the desired version of Plesk you are willing to upgrade to. Trouble is the most recent version there is PSA_17.8.11. So while the instructions suggest running the pre-ugrade checker prior to upgrading to Obsidian, there is no pre-upgrade checker for Obsidian.

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    Ivan Postnikov

    The correct link to Pre-upgrade checker for Obsidian is http://autoinstall.plesk.com/pool/PSA_18.0.20_1312/examiners/panel_preupgrade_checker.php

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    Khalequzzaman

    How can I downgrade Plesk Obsidian to Plesk WebHost?

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    Ivan Postnikov

    Hello @Khalequzzaman,

    Probably, you've meant a downgrade to Plesk Onyx because WebHost is an edition of Plesk license: https://www.plesk.com/editions/

    The scenario of Plesk downgrade is unsupported: https://support.plesk.com/hc/en-us/articles/213955885-Is-it-possible-to-downgrade-Plesk-or-roll-back-Plesk-updates-

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