How do I change Ruby versions to Rbenv?

How do I change Ruby versions to Rbenv?

2 Installation

1. Add ~/. rbenv/bin to your $PATH for access to the rbenv command-line utility.
2. Add rbenv init to your shell to enable shims and autocompletion.
3. Restart your shell so the path changes take effect.
4. Install Ruby versions into ~/.rbenv/versions .
5. Rebuild the shim binaries.

How do I change the project version in Ruby?

ruby-version file in your current directory, it doesn’t also load that version for you. You’ll need to set it and then cd .. && cd – to have the rbenv shim pick up that version. rbenv local VERSION usually picks it up immediately.

Should I use RVM or Rbenv?

RVM is more resourceful but rbenv is lightweight which makes it a strong contender for RVM. RVM is used to manage and install different versions of Ruby and gemsets on system where Rbenv is a lightweight Ruby version management tool. Compared to RVM, rbenv does not manage gemsets nor install different Ruby versions.

How do I list Ruby versions in Rbenv?

Get started with rbenv

1. List the installed Ruby versions. To list the installed Ruby versions in your machine with rbenv, run the following command: rbenv version.
2. Install a Ruby version. To install a new Ruby version, use the rbenv install command: rbenv install VERSION.
3. Use a specific Ruby version for a project.

Is Rbenv better than RVM?

While the versatility of RVM can be resourceful, when it comes to Ruby version management, it can be overkill. Using rbenv allows you to keep things simple and let other tools handle other aspects of the process. rbenv’s primary focus on Ruby versioning leads to a more dev-friendly setup and configuration.

How does RBenv determine which version of Ruby to use?

Choosing the Ruby Version When you execute a shim, rbenv determines which Ruby version to use by reading it from the following sources, in this order: The RBENV_VERSION environment variable, if specified. You can use the rbenv shell command to set this environment variable in your current shell session.

How to set the environment variable in RBenv?

You can use the rbenv shell command to set this environment variable in your current shell session. The first .ruby-version file found by searching the directory of the script you are executing and each of its parent directories until reaching the root of your filesystem.

How to install the latest version of RBenv?

You can install Ruby versions like so: rbenv install 2.2.4 Checking RubyGems settings: OK Auditing installed plugins: OK That’s it! Installing rbenv includes ruby-build, so now you’re ready to install some other Ruby versions using rbenv install. For a more automated install, you can use rbenv-installer .

How to remove and uninstall RBenv from Ruby?

To completely uninstall rbenv, perform step (1) and then remove its root directory. This will delete all Ruby versions that were installed under `rbenv root`/versions/ directory: rm -rf `rbenv root` If you’ve installed rbenv using a package manager, as a final step perform the rbenv package removal. For instance, for Homebrew: brew uninstall rbenv