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Knowledge Base

System updates warning in Plesk: Information on some packages might not be actual: inconsistencies were detected in the system’s package manager database. Please resolve this issue manually

 
databasedebianhostinghosting providerphp

Symptoms

  • The following warning is shown under Tools & Settings > System Updates:

    Information on some packages might not be actual: inconsistencies were detected in the system's package manager database. Please resolve this issue manually.

  • The following error is shown when running dpkg --audit on Debian-based systems:

    # dpkg --audit
    The following packages are missing the md5sums control file in the database, they need to be reinstalled: php7.0-xsl XSL module for PHP (dummy)

Cause

The package is shown as corrupted, because MD5 checksum was not generated on its installation, due to debsums package missing from the system.

Resolution

Note: Contact your Hosting Provider or Plesk support if Plesk related packages cannot be downloaded.

  1. Connect to the server via SSH

  2. Install the debsums package:

    # apt-get install debsums

  3. Reinstall the packages listed as corrupted in the error message:

    # apt-get install --reinstall php7.0-xsl

  4. Check the packages for consistency:

    # dpkg --audit

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