Rails Common Commands

A list of frequent Rails command line commands.

  
rvm use ruby-1.9.2-p0 - ruby version manager; switches to Ruby 1.9.2
  
rvm use ruby-1.9.2-p0 --default  - ruby version manager; sets 1.9.2 as default
  
rvm use system - ruby version manager; switches to Ruby 1.87
  
rails new - creates a new Rails application
  
rails server [s] - launches WEBrick web server
  
rails generate [g] - lists available generators 
  
rails generate controller --help - provides usage documentation
  
rails generate model --help - provides usage documentation
  
rails generate migration --help - provides usage documentation
  
rails destroy controller [Name] - undo generate controller
  
rails destroy model [Name] - undo generate model
  
rails generate scaffold [Name] --skip --no-migration - scaffold skipping existing files
  
rake db:migrate - runs database migrations
  
rake db:test:clone - clones current environment's database schema
  
rake db:test:purge - empties the test database
  
rake routes - list of all of the available routes
  
rake -T - list of rake commands
  
git init - creates git repo
  
git add . - adds all files to working tree
  
git commit -m "Initial commit" - commits files to repo
  
git status - status of the working tree
  
git push origin master - merges local repo with remote
  
git checkout -b new-dev - creates topic branch
  
git checkout master - switches to master branch
  
git merge new-dev - merges new-dev branch into master branch
  
git checkout -f - undo uncommitted changes on working tree
  
git branch - list branches
  
git branch -d modify-README - deletes branch
  
git mv README README.markdown - renames files using move command
  
heroku create - creates app on Heroku servers
  
git push heroku master - pushs app on to Heroku servers
  
heroku rake db:migrate - runs database migrations on Heroku servers
  
heroku pg:reset SHARED_DATABASE --confirm [app name] - deletes database file
  
heroku db:push - transfer an existing database to Heroku.
  
heroku logs - get logs.
  
rails console - command line interface to Rails app
  
rails dbconsole - command line database interface
  
bundle install - installs gems from Gemfile