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- Check rails version
$ rails -v

- To update rails
$ gem update rails

- Creating a new rails app using postgresql
$ mkdir rails_projects
$ cd rails_projects
$ rails new myapp --database=postgresql

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Instructions
-------------------
- Go to Amazon Web Services (http://aws.amazon.com/) and create an account
- Launch the AWS management console (https://console.aws.amazon.com/console/home?#)
- Select EC2
  - Make sure to select N. California as your region setting (top right corner)
- Create a new EC2 instance
  - Select Amazon Linux as the operating system
  - Use defaults for everything else
  - Create a private key (e.g. "crucible")

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# Install openssl to avoid getting an openssl error while creating a new app
# Check out http://goo.gl/HapK4 for more details
$ rvm pkg install openssl
$ rvm pkg install iconv

# Install ruby 2.0 using rvm
$ rvm install ruby-2.0.0-p195 -C --with-openssl-dir=$HOME/.rvm/usr,--with-iconv-dir=$HOME/.rvm/usr

# Set ruby 2.0 as default
$ rvm use ruby-2.0.0-p195 --default

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Move the font files into assets > font
Move the CSS files into assets > stylesheets

Edit stylesheet references to font files -> Delete .../font/ from all urls in font-awesome stylesheets

Add the following line to config > application.rb
  # Add app/assets/fonts to the asset path
  config.assets.paths << Rails.root.join("app", "assets", "fonts")

Add the following line to bootstrap_overrides.css

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Creating an rails app with Postgres
$ rails new app --database=postgresql

Creating a user
$ createuser rails_dev

Creating a database
$ createdb -Orails_dev -Eunicode sager_app_development

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Adding an existing database
$ git remote add heroku [email protected]:repository.git

Deploying to heroku
$ git push heroku local-branch:master

Resetting the database
$ heroku run rake db:drop
$ heroku run rake db:create
$ heroku run rake db:migrate

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Navigate to Guacamole web app directory
$ cd guacamole

Build using maven
$ mvn package

Deploying the application
---------------------------
Copy the guacamole app into the tomcat webapps folder 
$ sudo cp target/guacamole-0.7.1.war /var/lib/tomcat6/webapps/guacamole.war

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Installing dependencies
----------------------------
The following steps need to be performed only once in order to install dependencies:
Cairo is a 2D graphics library with support for multiple output devices.  
$ sudo apt-get install libcairo2-dev

libtool
$ sudo apt-get install libtool

automake

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The guacamole source files can be found on sourceforge. To create a fork on github, follow these steps:
 
Clone the git repository
$ git clone git://guacamole.git.sourceforge.net/gitroot/guacamole/libguac-client-vnc
 
Navigate to the directory
$ cd libguac-client-vnc
 
Create a new repository on github. After creating the repository, go to the Settings > collaborators
and add yourself (and other contributors) to the collaborators list.

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git branch -a
→ Displays all branches (including remote branches)

git checkout -b [local-branch] origin/[remote-branch]
→ Create a new local-branch (e.g. test-remote) based on remote branch (e.g develop)

git fetch
→ Fetch code from remote

git merge origin/[remote-branch]