The root cause seems to be rkhunter failing to upgrade:
Log started: 2009-08-15 23:32:57 (Reading database ... 201407 files and directories currently installed.) Preparing to replace kscreensaver 4:3.5.10-0ubuntu1~hardy1 (using .../kscreensaver_4%3a4.2.2-0ubuntu1_i386.deb) ... Unpacking replacement kscreensaver ... Processing triggers for man-db ... Setting up rkhunter (1.3.2-6ubuntu1) ... Updating the file properties database: Database directory does not exist: /var/lib/rkhunter/db/mysql dpkg: error processing rkhunter (--configure): subprocess post-installation script returned error exit status 1
Log started: 2009-08-15 23:33:58 dpkg: error processing kscreensaver (--configure): package kscreensaver is already installed and configured Setting up rkhunter (1.3.2-6ubuntu1) ...
The root cause seems to be rkhunter failing to upgrade:
Log started: 2009-08-15 23:32:57 0ubuntu1~ hardy1 (using .../kscreensave r_4%3a4. 2.2-0ubuntu1_ i386.deb) ... rkhunter/ db/mysql
(Reading database ... 201407 files and directories currently installed.)
Preparing to replace kscreensaver 4:3.5.10-
Unpacking replacement kscreensaver ...
Processing triggers for man-db ...
Setting up rkhunter (1.3.2-6ubuntu1) ...
Updating the file properties database:
Database directory does not exist: /var/lib/
dpkg: error processing rkhunter (--configure):
subprocess post-installation script returned error exit status 1
Log started: 2009-08-15 23:33:58
dpkg: error processing kscreensaver (--configure):
package kscreensaver is already installed and configured
Setting up rkhunter (1.3.2-6ubuntu1) ...