Is this a KVM install of RH7.3 on OpenSUSE 12.3
KVM or XEN is trivial to install on opensuse12.3
open yast and in a few mouse clicks and a reboot it is installed
if not
i am VERY surprised that it even installed on hardware that is 11 years newer than the OS
RH7.3 was released on May 6, 2002
it was using the linux 2.2 kernel
not many new programs will build on such an old kernel
that 2.2 kernel is also unsupported and retired
Fedora 15 is now 4 versions out of date
fedora 15,16,and 17 are all unsupported
Fedora is currently only supporting 18 and 19
To put nano or vi on rh7
you need to go back into the historical archives and get the code FROM 2002
and build the source code from 2002
or use pbone's archives