/usr/lib/x86_64-linux-gnu/libruby-2.0.so.2.0 is in libruby2.0 2.0.0.484-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libruby-2.0.so.2.0.0
/usr/lib/x86_64-linux-gnu/libruby-2.0.so.2.0.0