Update ruby on rails osx

Therefore, you need to update by git pull ing the latest stable release. This minipost will demonstrate step-by-step how to configure your rbenv with the latest stable release of Ruby. Navigate to ruby downloads and find out the latest stable release that is available for installation.

At this point in time, the latest stable release of Ruby is 2. To list all the available versions for installation you have locally , type:. The list is pretty long, I have omitted many versions for brevity using [.. With only the list command is hard for you to see if you have the specific version of Ruby you are looking for.

If you have an older application, take time to make sure it runs on the newest version of Ruby so you can upgrade to Rails 5. Rbenv is a favorite among people who are experienced Unix users. I recommend RVM for beginners because it is robust and full-featured, with options for installing Ruby and managing sets of gems. This article will show how to use RVM to manage Rails versions, though you can adapt the principles for chruby or rbenv. Install Ruby on Rails — Ubuntu. If you are not using RVM already, see the articles to get started with multiple versions of Ruby.

Rails 5. It was released on June 30, after six months of beta releases. Notable additions in Rails 5. Also Action Cable for live features such as chat and notifications. What You Need to Know: Rails 5. Update to Rails 5. At the time this was written, a newer RubyGems version was available. Use gem update --system to upgrade the Ruby gem manager:.

RVM gives you gemsets , which are sandboxed environments that let you maintain separate sets of gems. Gemsets are ideal for multiple versions of Rails.

You can track updates to gems at the RubyGems. As an alternative, use the Gemnasium service which surveys your GitHub repo and sends email notifications when gem versions change. Gemnasium is free for public repositories with a premium plan for private repositories. Nokogiri is a gem that is a dependency for many other gems specifically, the rails-html-sanitizer gem and its dependency, the loofah gem. Nokogiri is a gem that requires compilation for your specific operating system.

However, compilation takes time. During installation, Nokogiri will display two lengthy messages in the console. It will also pause without displaying any progress for as long as five minutes. If installation fails, make sure your system is configured properly look for help on Stack Overflow. Use this method for updates between patch versions, for example from Rails 4. Make sure you have committed the Gemfile and Gemfile.

Your Gemfile specifies the Rails version used by your application. If you have a Rails 4. You can change the Rails version to a newer version of Rails. For example, update it to Rails 4. The Rails gem will be updated by bundler and the Gemfile. This approach is appropriate if you are moving between patch versions. You can install Rails directly into the global gemset. However, many developers prefer to keep the global gemset sparse and install Rails into project-specific gemsets, so each project has the appropriate version of Rails.

You may also wish to have gemsets for different versions of Rails, for example Rails 4. The next time you cd into the project directory, RVM will read the. If it is a new gemset, and a Gemfile is present in the project directory, you can use bundle install to install the necessary gems.

Before you update Rails, take time to find out how the default new Rails application has changed. The best way to see differences between versions of the Rails default application is by visiting the railsdiff. If you want to see the differences and copy and paste code, you can create two versions of a starter application.

First, create a starter app with the old version of Rails. Then switch gemsets and create a starter app with the new version of Rails. Major Rails updates often make many changes. You can build and install Ruby yourself, or use ruby-build to automate the process. Manage gemsets. Bundler is a better way to manage application dependencies. If you have projects that are not yet using Bundler you can install the rbenv-gemset plugin.

Require changes to Ruby libraries for compatibility. Community Bot 1 1 1 silver badge. ChuchaC No prob. But before you do, this is from the rbenv readme: "Compatibility note: rbenv is incompatible with RVM. Please make sure to fully uninstall RVM and remove any references to it from your shell initialization files before installing rbenv.

Still getting standard 2. There's one additional step after brew install rbenv Run rbenv init and add one line to. After that reopen your terminal window, do rbenv install 2.

Probably late but for future references for people who encountered the same issue as tuxSlayer , rbenv rehash after rbenv global worked for me — Sean. After rbenv init , ruby -v outputs the correct version 2. Finally manage to get it work with a run of rbenv rehash.

Thanks Sean — James. Show 2 more comments. Open Terminal: sudo gem update --system It works! Paul Roub Cristianetoo Geova Cristianetoo Geova 6 6 silver badges 5 5 bronze badges. This does indeed seem to work, and is a unmeasurably more straight forward than the other answers. But when installing some gems listen for example they complain that the version is lower than required.

This is gem not ruby — William GP. Brew only solution here — Sergio Basurco. I was misled by this answer too. It "works" in that no errors are generated when you run it from the console.

However, it does not update Ruby. It updates Ruby Gems. Fast way to upgrade ruby to v2. This appears to do a ton of stuff, but upgrading ruby isn't one of them. You're running 2. RuntimeError — nkoren. This is the correct and best way to upgrade ruby version using brew. Doesn't work for me. I've resolved my issues by upgrading to Catalina.

I don't remember all the errors I had, but there were multitudes. I can't remember if I was trying to upgrade cocoapods or gems or what, but it was essentially hopeless. Thanks, this worked for me. Solution with rbenv wasn't working — tuxSlayer. This worked for me too!! The solution with rbenv did NOT work — ruoho ruotsi.