You need to get into the system. Try typing sudo (aka super user/super admin)
$ sudo it'll prompt you to put in your password if you are the admin of your computer. Once you're in and have the permisison, you can install rails. (sudo will stay in your command prompt until you exit from it) $ sudo gem install rails On May 24, 9:35 am, Robert <[email protected]> wrote: > I'm trying to install Rails 3 on a brand new MacBook Pro running OS X > 10.6.3, Ruby 1.8.7, and Rails 2.3.5 and I'm wondering if I've hosed > myself. So far, I've run these commands: > > $ gem update --system > $ gem install arel tzinfo builder memcache-client rack rack-test rack- > mount erubis mail text-format thor bundler i18n > $ gem install rails --pre > > However, when I run the last command, I get this error: > > ERROR: While executing gem ... (Gem::FilePermissionError) > You don't have write permissions into the /usr/bin directory. > > I think it wants me to run the command with sudo so that it can write > over /usr/bin/rails. But if I do that, won't I be overwriting my > Rails 2.3.5 executable? I don't want to do that. Instead, I'd like > to keep both versions of Rails. Can anyone help? > > Thanks. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/rubyonrails-talk?hl=en. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
