deb http://sipb-vm-1.mit.edu/sipb-xen stable main
deb-src http://debian.lcs.mit.edu/debian etch main
deb http://debian.lcs.mit.edu/debian etch main
deb http://sipb-vm-1.mit.edu/sipb-xen stable main
deb-src http://debian.lcs.mit.edu/debian etch main
deb http://debian.lcs.mit.edu/debian etch main