Article ID: 1323, created on Oct 6, 2008, last review on Jun 17, 2016

  • Applies to:
  • Plesk 12.0 for Linux



After running a Plesk security check in the watchdog module, I see a message similar to the following: Your system contains some unknown version numbers. Please run Rootkit Hunter with the --update parameter or fill in the contact form (


Rootkit Hunter found new package versions that are not listed in its database.


Rootkit Hunter usually updates the database automatically. You can force the update with the following command:

[$PRODUCT_ROOT_D](/en/952)/admin/sbin/modules/watchdog/rkhunter --configfile [$PRODUCT_ROOT_D](/en/952)/etc/modules/watchdog/rkhunter.conf --update 

Before executing the command above, replace $PRODUCT_ROOT_D with /usr/local/psa or /opt/psa. You may get the value of the variable $PRODUCT_ROOT_D in the file /etc/psa/psa.conf on your server.

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