Problem updating Plesk using Ubuntu Landscape

Symptoms

• Unable to update Plesk using Ubuntu 22.04
• Plesk is installed on Ubuntu 22.04 using Ubuntu Landscape
• Error in autoinstaller update logs:
  

  CONFIG_TEXT: Autoinstaller exited with error: Not found source for system packages (release 22.04) in APT software sources configuration:
  Package files:
  100 /var/lib/dpkg/status
  release a=now
  500 http://autoinstall.plesk.com/pool/WPB_18.0.59_78 all/all all Packages
  release o=Plesk,a=all,n=all,l=WPB 18.0.59 packages,c=all,b=all
  origin autoinstall.plesk.com
  500 http://autoinstall.plesk.com/PHP83_17 jammy/all amd64 Packages
  release o=Plesk,a=jammy,n=jammy,l=PHP v 8.3 packages,c=all,b=amd64
  origin autoinstall.plesk.com
  500 http://autoinstall.plesk.com/PHP82_17 jammy/all amd64 Packages
  release o=Plesk,a=jammy,n=jammy,l=PHP v 8.2 packages,c=all,b=amd64
  origin autoinstall.plesk.com
  ...

Cause

Product bug PPPM-14849 fixed in Plesk Obsidian 18.0.68

Resolution

To apply the changes and allow update Plesk Obsidian on Ubuntu Landscape, please edit or create the file /root/.autoinstallerrc and add the following line:

CONFIG_TEXT: SKIP_REPOSITORIES_CHECK=yes

It will make apt-cache policy releases check non-fatal and will allow you to update Plesk.