how to solve “ruby installation is missing psych” error?

Question

I used rvm to install ruby 1.9.3. even though it was successfully installed, it complained about libyaml. and now every time i wanna install a gem (say rails) this warning s

Answer 1

On Solaris:

# sudo crle -64 -l /usr/local/lib

to add /usr/local/lib to the shared library search path (see man crle)