You can use the command “$ which -a ruby” to know and the list below will tell you what to do if you want to know how to uninstall Ruby on Mac manually:
- If you see “/usr/bin/ruby”, then you’re using the pre-installed macOS Ruby.
- If “/usr/local/bin/ruby” or “/opt/homebrew/opt/ruby/bin/ruby” then Ruby was installed by using Homebrew.
- If “~/.rvm/rubies/” then RVM was used to install it.
- If “~/.rbenv/versions/” then RBENV was used.
- If “~/rubies/” then CHRUBY was used.
- If “/var/folders/...” the FRUM was used.
- If “~/.asdf/shims/ruby” then ASDF was used.
What is curl in GitHub?
What does "homebrew" mean in Ruby?
What is /usr/bin/ruby?
What is Ruby used for?
How to do string interpolation in bash?
What is a path in shell?
What is a package manager?
See 4 more
About this website
Does Ruby run on Mac?
Ruby on Mac Prime comes with a terminal shortcut that makes it easy to run the script safely over and over by typing "rom". Each time the script runs, it only installs what you don't already have, and if it finds a new version of an existing tool, it will update it. Faster gem installation.
What version of Ruby comes with Mac?
Don't install Ruby with Homebrew if you need to switch among Ruby versions (use asdf or frum in this case). Finally, you should know that macOS comes with a system Ruby pre-installed. MacOS Monterey includes Ruby 2.6.
How do I know if Ruby is installed?
Step 1: Check Ruby Version First, check if you already have Ruby installed. Open the command prompt and type ruby -v. If Ruby responds, and if it shows a version number at or above 2.2.
Can I delete Ruby on Mac?
Uninstall Ruby on Mac with rbenv For rbenv, use rbenv versions to see which versions you have installed. Use the uninstall command to remove a version. This will remove any gems associated with the version as well. If you want to reinstall Ruby, see Install Ruby on Mac for recommendations of newer version managers.
How do I know if my Mac has Ruby?
MacOS comes with a "system Ruby" pre-installed. If you see /usr/bin/ruby , it is the pre-installed macOS system Ruby.
Where is Ruby installed macOS?
macOS usually comes with pre-installed Ruby in its /usr/bin/ruby section.
How do I update Ruby on Mac?
Update Ruby Version in macOS Using rbenvInstall rbenv. Ruby. Copy brew install rbenv.Set up rbenv in your shell. Ruby. Copy rbenv init.Close and re-open your terminal so your changes can take effect.Install a Ruby version. Ruby. Copy rbenv install 2.7.
How do I run Ruby app?
How to run Ruby ApplicationsInstall rbenv Version Manager.Install Ruby Version.Deploy Application.Setup systemd Service.Configure Webserver.
How do I change Ruby version on Mac?
Set Ruby version with rvm on Mac To set a default Ruby version with rvm, enter rvm --default use 3.0. 0 on the command line. To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default .
How do I do a clean install of Ruby on Mac?
Install Homebrew. To install Homebrew, open Terminal and run the following command: /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"Install rbenv. ... Install Ruby. ... Initialize rbenv. ... Switch to the Ruby version. ... Install Ruby on Rails. ... Optional: Install PostgreSQL.
How do you uninstall a gem on a Mac?
Removing a specific gemsudo gem uninstall GEMNAME.sudo gem uninstall GEMNAME --version 1.1.0.sudo gem cleanup GEMNAME.sudo gem cleanup.
How do I uninstall Ruby on Mac RVM?
Removing Rubies. There are two ways to remove rubies from rvm: rvm remove # Removes the ruby, source files and optional gemsets / archives. rvm uninstall # Just removes the ruby - leaves everything else.
How do I change Ruby version on Mac?
Set Ruby version with rvm on Mac To set a default Ruby version with rvm, enter rvm --default use 3.0. 0 on the command line. To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default .
How do I update Ruby on my Mac?
Update Ruby Version in macOS Using rbenvInstall rbenv. Ruby. Copy brew install rbenv.Set up rbenv in your shell. Ruby. Copy rbenv init.Close and re-open your terminal so your changes can take effect.Install a Ruby version. Ruby. Copy rbenv install 2.7.
How do I use Ruby on Mac?
Step 1: Open up the terminal. The terminal application on macOS is an operating system command line interface (CLI) that comes installed on new Macs. ... Step 2: Install a package manager. Hold on! ... Step 3: Use the package manager to install Ruby. ... Step 4: Update our PATH. ... Step 5: Write and run our first Ruby program.
What is Ruby version?
RVM is a command-line tool which allows you to easily install, manage, and work with multiple ruby environments from interpreters to sets of gems.
Don't Use the Mac System Ruby – Use This Instead - freeCodeCamp.org
Someone may have once told you, "Don't use the system Ruby." It's good advice, but why? Let's find out. Which Ruby do you have? MacOS comes with a "system Ruby" pre-installed. Use the which command to see where Ruby is installed: $ which ruby /usr/bin/ruby If you see /usr/bin/ruby, it
Install Any Version of Ruby on Mac OSX with Homebrew
With the recent release of Ruby 3.0, I thought it’d be a good idea to make my first post of the year on a quick how-to guide to installing the new (or any) version of Ruby.. Homebrew. The only thing you’ll need before we get started is brew installed on your machine.. If you don’t have brew, install it by running the following command: $ /bin/bash -c "$(curl -fsSL https://raw ...
How to install the latest Ruby on MacOS Monterey (12.0)
How to install the latest Ruby on MacOS Monterey (12.0) August 26, 2021 1 minute read . On this page. Before you start; Install Homebrew. Install rbenv and helpers.
Need help installing Ruby 2.7.2 on Mac - Stack Overflow
I'm trying to install Ruby version 2.7.2 on my Mac (latest OS with all updates) and did the following brew update brew upgrade rbenv ruby-build and then rbenv install 2.7.2 ruby-build: definition ...
What is curl in GitHub?
Alright. Now let’s look at the curl command. The curl command is actually cURL, which stands for “client URL.” The Homebrew install script uses curl to fetch data from GitHub. The command is also using several flags. Again, we can use the man command and pass curl to it…which, while being slightly funny, is also super useful and can help us find out what these flags are doing. So here’s the condensed version of what we need to find in man curl.
What does "homebrew" mean in Ruby?
It means that the newer version of Ruby is installed, but Homebrew isn’t going to put it on the PATH for us. It’s not going to do this because of the existing version of Ruby living in /usr/bin. It tells us how to fix this situation by modifying our PATH.
What is /usr/bin/ruby?
The /usr/bin/ruby portion of the command is giving our terminal a specific location to an executable. If you recall from our earlier step, when we used which ruby, we found that the Ruby command was coming from that same location in our bin directory. On Unix-like operating systems such as macOS, /usr/bin/ is where the operating system installs distribution executable files. Distribution executable files are executable files that come with and are managed by your operating system. Homebrew is using the absolute location to reliably call the Ruby command on a machine with unknown configuration.
What is Ruby used for?
While Ruby is used quite frequently for web development, it’s also popular as a scripting language.
How to do string interpolation in bash?
In Bash, the best way to do string interpolation is to call a command from within a set of parenthesis preceded by a dollar sign. So since we’re wrapping the curl command in the parenthesis, like this…
What is a path in shell?
An environment variable is a piece of data that is available for both us and other subprocesses to use every time we open a shell prompt. The PATH contains a list of directories, separated by colons. When you type a command into your shell, it will look for executable files in those directories, in the order they listed.
What is a package manager?
Hold on! What’s a package manager? A package manager is an application whose job is to manage software on your computer. In this case, managing means installing, updating, and removing software as needed. Package managers will install software in a consistent manner and keep your computer tidy.
Why does MacOS return Ruby gem?
macOS returns this error because the default location for Ruby gem installations is the system Ruby directory that is preinstalled by Apple. That directory is not meant to be modified, hence Apple not giving us permissions to write to it.
Can you install multiple versions of Ruby at the same time?
1. I highly recommend using a Ruby manager because it allows you to have multiple versions of Ruby installed at the same time, and makes it easy to switch between them.
Who writes guides to help you become a more confident coder?
Moncef Belyamani writes guides to help you become a more confident coder.
Does RubyGems give access to Ruby?
While Apple doesn't grant you write access to the system Ruby directory, RubyGems does provide a way to specify an alternative location for gem installations . You can do that in one of two ways:
Can you install Ruby on Homebrew?
This is similar to the previous option, but instead of installing a Ruby manager with Homebrew, you can install Ruby directly with Homebrew. Doing this manually involves three commands, followed by relaunching the Terminal:
Why does Bundler use a gemfile?
Bundler uses a Gemfile in your project directory to keep track of the gems you need. If you were to use sudo to install gems with the system Ruby, you'd end up with a mess of incompatible gems in the system Ruby directory.
What is Bundler used for?
Experienced developers use Bundler to install gems and manage their dependencies.
How to work around system permissions?
You can work around the systems permission problem by installing Bundler with a command that uses your home directory for gems. But it's easier to install Ruby with Homebrew or use a version manager and use the Bundler that comes installed, which will correctly set up your local development environment.
What happens when you try to install a gem?
If you try to install a gem, for example gem install rails, you'll get a permissions error:
Where do gems go on Mac?
If you use the Mac system Ruby, running gem install will try to save gems to the system Ruby directory /Library/Ruby/Gems/2.6.0. That directory is owned by root, the system superuser. Ordinary users are not allowed to write to it (and you really shouldn't alter this folder).
Why use a version manager?
A version manager helps if you're juggling multiple projects and can't update all at once. For a guide that compares version managers and shows the best way to install Ruby, see my article Install Ruby on a Mac.
What is /usr/bin/ruby?
If you see /usr/bin/ruby, it is the pre-installed macOS system Ruby.
What port is Find and Kill?
Find (and kill) process locking port 3000 on Mac
How to upgrade an existing package?
Instead, to upgradean existing package, the right approach is to install a new version in a separate location (say, /usr/local/) and invoke the new version by an absolute path reference (/usr/local/bin/ruby) or manipulating the shell PATHenvironment variable, if necessary. /usr/local/is often used if installing directly from source. Many people prefer to use one of the 3rd-party open source package distributors, such as MacPorts, Fink, or Homebrew, each of which has its own package manager and installation locations.
What is the meaning of "back up"?
Making statements based on opinion; back them up with references or personal experience.
Can you update something that has no regression?
You can update those things, but, because there are no regression or integration tests, you have no way of knowing whether you screwed up something that the system relies on. Try my command listed in the comment below your selected answer and you'll see Apple relies on the languages; They're not there for our pleasure solely. @Ned Deily recommends being careful and suggests alternative ways of dealing with it. I'll also recommend using RVMfor the chore.
Does spam flag go away?
I did not downvote. The spam flag works like that. It will go away after a while now that you updated your answer. Note however that you really should specify your affiliation in each of your answers, it is not enough to have it on your profile, so you should check that all your answers recommending your products include a disclaimer
Is it spam to mention a company?
You should disclose your affiliation with the company each time you mention your product. Otherwise, it is considered as spam here.
Is RubyStack open source?
Disclaimer, I am one of the developers of RubyStack. It is freely available under the open source Apache 2.0 License.
What is curl in GitHub?
Alright. Now let’s look at the curl command. The curl command is actually cURL, which stands for “client URL.” The Homebrew install script uses curl to fetch data from GitHub. The command is also using several flags. Again, we can use the man command and pass curl to it…which, while being slightly funny, is also super useful and can help us find out what these flags are doing. So here’s the condensed version of what we need to find in man curl.
What does "homebrew" mean in Ruby?
It means that the newer version of Ruby is installed, but Homebrew isn’t going to put it on the PATH for us. It’s not going to do this because of the existing version of Ruby living in /usr/bin. It tells us how to fix this situation by modifying our PATH.
What is /usr/bin/ruby?
The /usr/bin/ruby portion of the command is giving our terminal a specific location to an executable. If you recall from our earlier step, when we used which ruby, we found that the Ruby command was coming from that same location in our bin directory. On Unix-like operating systems such as macOS, /usr/bin/ is where the operating system installs distribution executable files. Distribution executable files are executable files that come with and are managed by your operating system. Homebrew is using the absolute location to reliably call the Ruby command on a machine with unknown configuration.
What is Ruby used for?
While Ruby is used quite frequently for web development, it’s also popular as a scripting language.
How to do string interpolation in bash?
In Bash, the best way to do string interpolation is to call a command from within a set of parenthesis preceded by a dollar sign. So since we’re wrapping the curl command in the parenthesis, like this…
What is a path in shell?
An environment variable is a piece of data that is available for both us and other subprocesses to use every time we open a shell prompt. The PATH contains a list of directories, separated by colons. When you type a command into your shell, it will look for executable files in those directories, in the order they listed.
What is a package manager?
Hold on! What’s a package manager? A package manager is an application whose job is to manage software on your computer. In this case, managing means installing, updating, and removing software as needed. Package managers will install software in a consistent manner and keep your computer tidy.
