Quote Originally Posted by UnderScore
The network line is incorrect.
iface eth0 inet static
address 10.10.1.151
network 10.10.1.1
netmask 255.255.255.0
gateway 10.10.1.1
broadcast 10.10.1.255
Based on your IP & netmask, the network should be 10.10.1.0.

Also, how did you install Knoppix to the HD? What type of HD install did you do? See HD Install: Types of installation.
I changed the network, as you suggested, with no effect.

I am using the Beginner Default install.