how to configure rkhunter in ubuntu?
['To run rkhunter --propupd, automatic after software updates, add the line APT_AUTOGEN="yes" to /etc/default/rkhunter (this gets read by /etc/apt/apt. conf. ... ', 'Wait till it completes gathering the new values, then exit. ... ', 'Additionally, the --versioncheck option of rkhunter itself will indicate if a new version is available.']