How to change what server Debian uses to download packages.
One easy & automatic way to do this is with
apt-get install netselect-apt, then
netselect-apt, both as root). This will find the fastest mirror and set it up for you.
If you want a specific mirror from the ones on
/etc/apt/sources.list manually – . Just open this file in a text editor (as root) and change the
.de. parts in the URLs to
Don’t forget to
apt-get update when you’re done.