Rails Server & Console in Ruby

From the Ruby on Rails cheat sheet · Getting Started · verified Jul 2026

Start development server and interactive console

bash

# Start development server
rails server
# or shorthand
rails s

# Specify port
rails s -p 3001

# Rails console
rails console
rails c

✅ Default server runs on localhost:3000

💡 Use rails c --sandbox to test without affecting database

🔍 reload! in console reloads code without restarting

⚡ rails server accepts same flags as rails s

serverconsoledevelopment

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