Rails on Ubuntu

Rails on Ubuntu

1. Install ruby
>sudo apt-get install ruby-full

2. download and install rubygem
http://rubyforge.org/frs/?group_id=126&release_id=45995

>wget http://files.rubyforge.vm.bytemark.co.uk/rubygems/rubygems-1.8.4.tgz
>tar zxvf rubygems-1.8.4.tgz
>mv rubygems-1.8.4 ../tools/
>cd /home/luohua/tools/rubygems-1.8.4
>sudo ruby setup.rb
>sudo ln -s /usr/bin/gem1.8 /usr/bin/gem
>sudo gem install rdoc
>sudo gem install rails

some problem here:
“File not found: lib” error

soluction:
>sudo mkdir /usr/lib/ruby/gems/1.8/gems/rails-3.0.7/lib      # cannot work
>sudo gem install rails --pre                                                                      # cannot work
>sudo gem install rails --pre --no-ri --no-rdoc                                   # fine

3. MySQL
I have already install MYSQL server on my local machine.
So, I just install the drivers.

>sudo apt-get install libmysqlclient-dev libmysql-ruby

4. Install sqlite3 to create a sample
>sudo apt-get install libsqlite3-dev build-essential
>cd /home/luohua/work/rails
>rails new example

problem:
Installing rack (1.3.0)   failure bundler raised an exception, are you offline?
solution: ignore right now

>cd example
>sudo bundle install
>sudo rake db:create
>sudo rails s

verify the URLs:
http://localhost:3000/

references:
http://programmingzen.com/2011/05/11/installing-ruby-on-rails-and-db2-on-ubuntu-11-04/
http://cicolin.blogspot.com/2010/10/how-to-install-ruby-rails-and.html
http://lcqcxxc.iteye.com/blog/1030330
http://ranjith.zfs.in/how-to-install-ruby-on-rails-ror-in-ubuntu-linux/
http://excid3.com/blog/2010/10/ruby-on-rails-3-and-mysql-on-ubuntu-10-10/
http://grigio.org/how_install_rails_3_0_beta_ubuntu_linux_step_step

评论

1 楼 selfcontroller 2011-07-02  

hi,It seems that I have the same problem  my gem env is :
RubyGems Environment:
  - RUBYGEMS VERSION: 1.8.5
  - RUBY VERSION: 1.8.7 (2010-12-23 patchlevel 330) [i686-linux]
  - INSTALLATION DIRECTORY: /usr/local/ruby/lib/ruby/gems/1.8
  - RUBY EXECUTABLE: /usr/local/ruby/bin/ruby
  - EXECUTABLE DIRECTORY: /usr/local/ruby/bin
  - RUBYGEMS PLATFORMS:
    - ruby
    - x86-linux
  - GEM PATHS:
     - /usr/local/ruby/lib/ruby/gems/1.8
     - /home/naitnix/.gem/ruby/1.8
  - GEM CONFIGURATION:
     - :update_sources => true
     - :verbose => true
     - :benchmark => false
     - :backtrace => false
     - :bulk_threshold => 1000
  - REMOTE SOURCES:
     - http://rubygems.org/

as above,my ruby is 1.8.7 and my rubygems is 1.3.7 but I upgraded it so far  as you see,it's 1.8.5,and my rails default is rails3.0.9 and I came the same problem whith File not found: lib,but I don't know how it happend and what's the reason for this error  hope your help,thanks