After re-installing mythtv on Ubuntu Dapper (link), mythfilldatabase gives this error:
Grabbing XMLTV data using tv_grab_dk is not supported. You may need to upgrade to the latest version of XMLTV.
Therefore I made this little script, and placed it in /etc/cron.daily
#!/bin/sh
DATAFILE=/tmp/data.$$
tv_grab_dk –config-file /home/mythtv/.mythtv/TDC.xmltv > $DATAFILE
mythfilldatabase –file 2 -1 $DATAFILE
mythbackend –resched

Installation
The installation of Ubuntu Dapper is fairly easy, insert the CD, boot and follow the instructions.
When the installation is done, boot up the system and log in. The first thing I do, is to install a SSH server
sudo apt-get install ssh
After this I make GDM log my mythtv user automatically:
System -> Administration -> Login-screen
then chose [...]