Plesk upgrade fails:
PLESK_ERROR: Trying to start service mariadb…
WARNING! Some problems are found during attempt to start service mariadb – control script doesn’t exist or isn’t executable(see log file: /var/log/plesk/install/plesk_17.0.17_installation.log)
Starting sw-engine (via systemctl): Failed to start sw-engine.service: Connection timed out [FAILED]
Trying to start service drwebd…
Failed to list unit files: Connection timed out
Services fail to start because of high CPU usage by systemd.
Connect to the server via SSH.
Create a directory:
# mkdir /root/example
Move session files from
# mv /run/systemd/system/session-*.scope* /root/example/
Restart services from the error message:
# service sw-engine restart
# service drwebd restart