Error on installing uClinux-dist / linux 2.6

Hello,

I'm trying to build uClinux with mmu on DE2-70

I need help on installing uClinux-dist, tool chain-mmu and linux 2.6, i get an error message everytime

the command used to install from git server:

git clone -b trunk git://sopc.ntust.edu.tw/git/uClinux-dist.git

I get this error message everytime :

Cloning into 'uClinux-dist'...

fatal: Unable to look up sopc.ntust.edu.tw (port 9418) (Name or service not known)

I will be gratful if anyone can help

Thx,