Symptoms
Note: This article is applicable only to Plesk servers with Debian or Ubuntu operating systems
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Plesk update on Debian or Ubuntu fails:
# plesk installer update –repatch
……….
E: dpkg was interrupted, you must manually run ‘dpkg –configure -a’ to correct the problem.
Plesk is down, performing full restart.
Starting sw_engine service… done
Starting sw_cp_server service… already started
Starting mysql service… already startedERROR: An error occurred on attempt to install packages.
Attention! Your software might be inoperable.
Please contact product technical support.
exit status 1Or ‘pum’ check fails:
# plesk sbin pum –check
2019-02-28 15:03:53 INFO: pum is called with arguments: [‘–check’]
E: dpkg was interrupted, you must manually run ‘dpkg –configure -a’ to correct the problem.
2019-02-28 15:04:29 ERROR: Exited with returncode 100.
exit status 100 -
The error below may appear in Tools & Settings > System Updates:
PLESK_ERROR: The System Updates tool is already installing updates in automatic mode. Please try later.
Or the installation of system packages hung.
Cause
Previous update installation attempt was interrupted or hung and several packages are partly installed.
Resolution
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Connect to the server using SSH;
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Complete the installation of the partially installed packages:
# dpkg –configure -a
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If the error was in the ‘pum’, finish update in Tools & Settings > System Updates, if in Plesk installer, install Plesk updates:
# plesk installer update –repatch