Yes, I tried the article.
The webinterface has the upgrade function not available.
When I try the comman line (It is in /opt/psa/admin/sbin/autoinstaller) It sais
"The installation could not be resumed, becaus eyour Operationg System "Ubuntu" "Linux" "20.02" "x86_x64" is not supported."
But...
Hello
I tried to Upgrade my Plesk Onyx to Obsidian.
At the webinterface the upgrade option is not available.
So I tried to install it via command line.
When I try "plesk installer --select-release-latest --upgrade-installed-components" I get the response "Command not found".
My OS is...