Applicable to:
- Plesk for Linux
Symptoms
-
Plesk installed on Ubuntu 16.04 fails to install updates. The following error can be found in
/var/log/plesk/install/autoinstaller3.log
:CONFIG_TEXT: Starting sw_engine service... Failed to retrieve unit: No such method 'GetUnit'
done
Starting sw_cp_server service... Failed to retrieve unit: No such method 'GetUnit'
done
... -
systemctl
tool does not working itself:# systemctl
Failed to list units: No such method 'ListUnitsFiltered' -
The server is started with
upstart
:# ps -p 1
PID TTY TIME CMD
1 ? 00:00:02 upstart
Cause
SystemD is required for Plesk on Ubuntu 16.04 to work properly, as
/sbin/initctl
is not present on the default installation of Ubuntu 16.04
Resolution
- Connect to the server using SSH
-
Install systemd as follows:
# apt-get install systemd-sysv ubuntu-standard
- Reboot the server
-
Try to install Plesk updates via
Tools & Settings > Updates and Upgrades
or with the following command:
# plesk installer --select-release-current --upgrade-installed-components
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