How to upgrade Plesk Onyx to Obsidian

Upgrading Plesk via a command-line interface

  1. Connect to a Plesk server via SSH/RDP.
  2. Start Plesk Installer:
    • On Linux, run the command:
      /usr/local/psa/admin/bin/autoinstaller
    • On Windows Server, start a command prompt as an Administrator and run the command:
      C:\> "%plesk_bin%"\ai.exe --console
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