• Debian 11 is approaching its end-of-life (vendor EOL date - August 31, 2026). Plesk Obsidian 18.0.80 will be the last release to support it.
    If you are running Plesk Obsidian on Debian 11, we recommend you upgrade those servers to Debian 12 using our dist-upgrade tool.
  • We plan to deprecate and remove the support for XML RPC protocol versions earlier than 1.6.9.1 in Plesk Obsidian 18.0.82. We strongly recommend that you update all existing integrations using earlier versions of the XML RPC protocol to comply with the version 1.6.9.1 specification.

Can't update Plesk

Does that have anything to do with the problem?

N: Ignoring file 'plesk.list.ai_back' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension

W: Duplicate sources.list entry https://autoinstall.plesk.com/debian/PMM_0.1.10/ jessie/all amd64 Packages (/var/lib/apt/lists/autoinstall.plesk.com_debian_PMM%5f0.1.10_dists_jessie_all_binary-amd64_Packages)

W: You may want to run apt-get update to correct these problems
 
Hi CGI1979,

Does that have anything to do with the problem?
No, it doesn't and the mentioned "plesk.list.ai_back" is just a BACKUP - file from the Plesk autoinstaller ( = ai ). As you might have read, the notice ( = N: ) states clear, that the file will be ignored.

Even that the notice "Duplicate sources.list entry" is declared as a warning ( = W: ), it will not effect the "apt" - usage at all. ;)
 
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