Question

how to make the ruby on rails with mysql environment in ubuntu 11.04.

I use the

sudo apt-get install ruby

sudo apt-get install mysql-server

Then I try

gem install rails

But I do not know to to install the mysql adapter?

Is there a document which I can follow?

---

Update:

Now,I install the gems use

gem install rails.

There are no errors.

However when I run

rails -v

I got ‘rails’ is not installed,you can typing sudo apt-get install rails

However when I change to the rails bin directory,and use the ruby to run the rails script,I can get the version:

xx@mac:/$ rails -v
The program 'rails' is currently not installed.  You can install it by typing:
sudo apt-get install rails
xx@mac:/$ cd /var/lib/gems/1.8/bin/
xx@mac:/var/lib/gems/1.8/bin$ ruby rails -v
Rails 3.2.1
xx@mac:/var/lib/gems/1.8/bin$ 

So,it seems that this is caused that the ‘rails’ can not be run directly,how to fix it?

Answer 1

You’d better use RVM to manage your Rubies and Gems instead of the distro’s Ruby.

See RVM documentation : http://www.beginrescueend.com/rvm/basics/

As soon as you have RVM and a Ruby interpreter installed, install the rails gem (with MRI 1.9.2 and a gemset called “your_gemset”) :

rvm use 1.9.2
rvm gemset use your_gemset
gem install rails

Generate your Rails project, then update the Gemfile (in your project directory) : remove the sqlite3 adapter entry and replace it with the mysql2 adapter :

# Gemfile
# gem 'sqlite3'
gem 'mysql2'

Finally, edit your database.yml file with your MySQL configuration.