setting up ruby on rails environment (ubuntu + mac)

Rushdie · Jan 2, 2012

i know many of you had problems with this, and i also encountered many problems with tutorials/ebooks on the net.

im using ubuntu/mint but this should also work on mac. if you got windows i think its easy and all you need should be here:
http://rubyonrails.org/download

if you dont have linux installed i suggest programming in vmware/ubuntu or mint, cause ruby/python in windows is a misery imo.

they would have to torture me if i had to code in windows/terminal and handle gems there

ok here we go:

install git and curl:

Code:

sudo apt-get install git
sudo apt-get install curl

here if you got Mac, download those apps and install from source(you will find docs on their site) or use this freaking mac thingy for installing apps (homebrew?)

getting and setting up Ruby Version Manager:

Code:

bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer )

echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function' >> ~/.bash_profile

source .bash_profile

rvm reload

check if rvm is all good:

Code:

type rvm | head -n1

should be: rvm is a function

if there's a problem restart your terminal and start again from source .bash_profile...

[edit]
dependency:

Code:

rvm pkg install zlib
rvm pkg install openssl

cause your OS might not have it and rvm will not install it automatically with ruby; i think its only a problem on ubuntu, and should run fine without it on OSX, the openssl might be a problem @ mac.
This is omitted in most tutorials and i was having a problem finding a solution for this when i was setting up ruby for the first time on linux.

ruby:

Code:

rvm install 1.9.2 --with-openssl-dir=$rvm_path/usr

1.9.2 is the ruby version number
if you got any problems with 1.9.2 and it's dependencies, you can remove it with rvm remove 1.9.2 and then try again after fixing the problems
[/edit]

Code:

rvm --create use 1.9.2@default
rvm --default use 1.9.2@default

defines default ruby version we will use

rails:

Code:

gem install rails

will install the newest version of rails

Code:

rails -v

a version should be echoed

check if ruby works ok by pasteing this in the terminal:

Code:

ruby -e 'def a;10.times{puts " "*rand(79)+"*"};end;1337.times{a;puts " "*34+"Happy New Year, BHW!";a;sleep 0.1;puts "\e[2J"}'

gogo sublime text 2 or rubymine

if you wish i can also explain basics of heroku and github but i think its simple and been covered well in the tutorials

EDIT: fixed a small mistake (openssl) which will help with rails in the future

ALSO:
add rvm so that it starts automatically with your session:

Code:

cd #this goes to your home folder
touch .bashrc
echo '[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # Load RVM function' >> ~/.bashrc
echo 'if [ -f "$HOME/.bashrc" ]; then source $HOME/.bashrc fi #run bashrc' >> ~/.bash_profile

restart the terminal and rvm it should produce something

also wont hurt to install other rvm dependencies listed in:
rvm requirements

im not telling you to install everything you will know what you need when you're doing more advanced stuff. for now we should be ok. another tutorial is coming.

edit:
next part of the tutorial: http://www.blackhatworld.com/blackhat-seo/general-programming-chat/389961-ruby-rails-tutorial-setting-up-github-heroku-deploying-sample-application.html

setting up ruby on rails environment (ubuntu + mac)

Rushdie

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