- Plesk for Linux
Plesk updates are not installed correctly on Debian or Ubuntu.
Missing symbolic link
/usr/local/psa/ -> /opt/psa/.
Connect to the server using SSH.
Copy all files from the directory
# cp -r /usr/local/psa/* /opt/psa/
Remove the link from the directory
# unlink /usr/local/psa
Remove the directory
# rm -rf /usr/local/psa
Create a symbolic link
/usr/local/psa/ -> /opt/psa/:
# ln -s /opt/psa /usr/local/psa
Reinstall Plesk updates according to the article How to update Plesk.