在Mac OS X 10.6上卸载Ruby on Rails

Question

I´m trying to get RoR up and running with mysql data base, but it seems to be impossible to me (i get an error when including the mysql gem). So i tried to do a lot of things over the console with no results and i don´t remeber what i have done.

So, i want to delete everything and start again from cero. How can i delete RoR from my Mac ?

Thanks!

Answer 1

The easiest way to get a basic RoR setup is to use Homebrew to install mysql and RVM to manage rails. If you follow the instructions below, including installation of RVM, you wont need to worry about already failed installations of ruby or rails because they'll basically install everything in it's own location and then repoint your environment to the new ruby and rails installation.

1. Visit https://github.com/mxcl/homebrew and read up on homebrew. You'll thank me later :)

2. Install homebrew with this:

   ruby -e "$(curl -fsSL https://gist.github.com/raw/323731/install_homebrew.rb )"

3. Install XCode if you haven't already. Easiest way is to use the disk that came with your Mac.

4. Install git:

   brew install git

5. Install RVM: (Optional, but great if you want to use Ruby on Rails with ruby 1.9.2). Again, read up on RVM: http://rvm.beginrescueend.com/ Follow the instructions here: http://rvm.beginrescueend.com/rvm/install/ AND DONT FORGET TO DO THE POST INSTALL!!!

6. Install 1.9.2 and set it to be the default:

   rvm install 1.9.2

   This will take a while

   rvm --default use 1.9.2

7. Install Rails

   gem install rails

8. Install mysql

   brew install mysql

   (When this is finished, you will need to initialize your database. The instructions will be given to you when the install finishes. If you skip this, your database won't work. If you closed your terminal and want to see the instructions again you can type "brew info mysql" and it will show them to you.)

9. Create your rails app:

   rails new my_app

Answer 2

Hi I had the same problem with the mysql gem and they way I succeeded was downgrading from ruby 1.9.2 to 1.8.7. I don't know which one are you using.

I uninstall ruby using port also.

Hope this could help.

Bye

Answer 3

要完全卸载rails和所有gem，请使用sudo权限： -

gem list | cut -d" " -f1 | xargs gem uninstall -aIx

Answer 4

使用rubygems卸载它

gem uninstall rails