In /etc/apt/sources.listI added universe todeb http://http.debian.net/debian wheezy main contrib non-free universeWhen I did aptitude update the log complained about:W: Failed to fetch http://http.debian.net/debian/dists/wheezy/Release:Unable to find expected entry 'universe/binary-i386/Packages' in Release file (Wrong sources.list entry or malformed file)Should I care about the error?Have I added Debian Universe correctly?
How to add Debian Universe in etc/apt/sources.list?
debian;apt
Simple. There's not Universe, universe, nor another permutation in Debian. This is a Ubuntu and derivatives only component. The only components you will find in debian are main, contrib and non-free. Only those.