sorry didn't read your question completely You can choose your version using this command:
rails _2.3.5_ --version You can change between versions if you do this and shouldn't harm whatever project you have under an old rails verion On May 24, 2:10 pm, anon_comp <[email protected]> wrote: > 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 > athttp://groups.google.com/group/rubyonrails-talk?hl=en.- Hide quoted text - > > - Show quoted text - -- 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.

