Put the attached files into your home directory and enjoy.

.irbrc

• defines interesting_methods, which is essentially all methods without top-level methods inherited from Object/Module
• requires awesome_print Show archive.org snapshot , if present
• requires interactive_editor Show archive.org snapshot , if present (basically makes vim available)
• loads .irbrc_rails if in Rails (e.g. for the Rails console)

.irbrc_rails

• defines efind(email), which is a shortcut to find users by email
• requires hirb Show archive.org snapshot , if present
• set the prompt to your Rails app's name

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

• Prevents you from data breaches and liability risks
• Upgrade at your own pace
• Works with modern Rubies

Read more Show archive.org snapshot

Of course you can put anything into these files :)