On Aug 27, 5:13  ᮮ 
> I am trying to install and run ruby from rpm but I am missing ruby
> library paths
>
> I install irb and try to run it and I get
>
> /usr/bin/irb:10:in `require': no such file to load -- irb (LoadError)
> from /usr/bin/irb:10
>
> bash> ruby -e "puts $:"
>
> /usr/lib/ruby//site_ruby
> /usr/lib/ruby//site_ruby
> /usr/lib/ruby//site_ruby

Please provide more information about Linux version you're using and
more important, what version of Ruby are you trying to use (ruby -v)

Some linux distro slice ruby into different pieces so irb is not ship
with "ruby" package.

With that information, we will be able to help you further.

--
Luis Lavena