Problem with installing rails to OS X 10


I got error message “You don’t have write permissions for the /Library/Ruby/Gems/2.0.0 directory.” when I tried install Rails to my Mac using command line command “gem install rails”. I have admin rights on my machine.

Can you help?


If you're using the system Ruby, then you'll need to install gems with

Most people use rvm or rbenv to avoid this (as well as enabling the
installation of multiple versions of Ruby and associated gems).