![]() ![]() It should output a few lines, take some time and then tell you that version 2.5.3 was installed. To install ruby 2.5.3, you could run (wait, don't run it yet): rbenv install 2.5.3 If you see that output, your rbenv is installed properly. Uninstall Uninstall a specific Ruby version Install Install a Ruby version using ruby-build Run rbenv without any arguments on the terminal should now show the install and uninstall commands being available. Testing if rbenv and ruby-build have been installed $ git clone "$(rbenv root)"/plugins/ruby-build Run the following: $ mkdir -p "$(rbenv root)"/plugins All you need to do is to create the plugins directory and checkout the git repo for ruby-build in the plugins directory. We need to add the ruby-build package as a rbenv plugin so that we can type rbenv install to install rubies. You should be able to run rbenv after that without trouble.ĭo notice that rbenv does not give an option to install or uninstall rubies yet. That will rerun the ~/.bash_profile script and get rbenv in your path. NOTE: If you get a warning saying that rbenv is not installed, just run source ~/.bash_profile. See `rbenv help ' for information on a specific command. Whence List all Ruby versions that contain the given executable ![]() Which Display the full path to an executable Versions List all Ruby versions available to rbenv Version Show the current Ruby version and its origin Rehash Rehash rbenv shims (run this after installing executables) Shell Set or show the shell-specific Ruby version Global Set or show the global Ruby version Local Set or show the local application-specific Ruby version When you run rbenv on the command line, you should get something like this: $ rbenvĬommands List all available rbenv commands So run this: echo 'eval "$(rbenv init -)"' > ~/.bash_profileīy this point rbenv should be installed. This should tell you something like this: # Load rbenv automatically by appending To initialize rbenv so that it can help you with changing rubies when you change directories, run this: ~/.rbenv/bin/rbenv init Add it to your path by running: $ echo 'export PATH="$HOME/.rbenv/bin:$PATH"' > ~/.bash_profile Your system still does not know where rbenv is. Run the following command to clone rbenv repo into. Refer to those if things don't work for you. The installation procedure for both tools (and a lot of other help) is available in the README files for the projects.In case you need to learn about the tools in detail, here are the links for rbenv and ruby-build.ruby-build has to be installed as a plugin to rbenv.I will leave the answer as it is for so that it makes sense for someone on an older setup (or in case they revert that decision later). EDIT (June 2021): It looks like rbenv installations now come with ruby-build and are capable of compiling ruby right on your machine. ![]() It is the same for chruby as well which uses another tool to build ruby. For installing rubies, you need to install the ruby-build tool (which is part of the rbenv project). It only changes ruby version per directory. rbenv in itself does not include the ability to install ruby versions.rbenvīefore proceeding with the actual installation, remember these points: Following are the steps to install it on a mac (they are explained in detail about what is being done and why if you want a shortcut, try running all the commands in sequence but I'd still insist you read through the steps). You should be using a Ruby version manager to manage multiple versions of Ruby. ![]()
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