MacOS comes with a “system Ruby” pre-installed. If you see /usr/bin/ruby , it is the pre-installed macOS system Ruby. It’s fine to use the system Ruby for running sysadmin scripts, as long as you don’t alter the system Ruby by attempting to update it or add gems.
Why is Ruby installed on Mac?
(on Mac Intel) or /opt/homebrew/… (for Apple Silicon). The version of Ruby installed by Homebrew is primarily intended for use by other Homebrew packages. As such, it can be updated to a newer version without warning when Homebrew updates the dependencies of other packages.
How do I completely remove Ruby from my 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 Ruby is installed on my Mac?
MacOS comes with a “system Ruby” pre-installed. If you see /usr/bin/ruby when you use the which command, it is the pre-installed macOS system Ruby.
Do I need Ruby on Mac?
There’s no need to download Ruby source code and compile for macOS because Homebrew and software version managers such as asdf, chruby, rbenv, or rvm provide Ruby installation utilities.
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 you Uninstall Ruby?
Open the Apps & Features section in the Windows Settings dialog, select the RubyMine app and click Uninstall. Depending on your version of Windows, the procedure for uninstalling programs may be different. You can also manually run Uninstall.exe in the installation directory under /bin.
How do I Uninstall a Ruby gem?
Removing a specific gem
- sudo gem uninstall GEMNAME.
- sudo gem uninstall GEMNAME –version 1.1.0.
- sudo gem cleanup GEMNAME.
- sudo gem cleanup.
How do I downgrade Ruby Version on Mac?
Set Ruby version with rvm on Mac
To switch to the system ruby, enter rvm use system . To switch back to the default, rvm default . The command rvm list will show all installed Rubies, including the current and default versions. RVM will also recognize a .
What is Ruby version file?
Many Ruby (or Rails) projects will include a simple .ruby-version file, which simply specifies a version number, for example: 2.4.2. Popular tools to help you manage your Ruby version are: Ruby Version Manager (RVM) rbenv.
Is Ruby installed by default on Mac?
First of all, Ruby is already pre-installed on your Mac. However, the pre-installed version is a few versions behind so we’ll look into the other ways to install Ruby. … On a Mac, you can use Homebrew to install newer versions of Ruby. You can also use it to install a tool that will install Ruby.
How do I check Ruby version?
“how to check ruby version” Code Answer’s
- // Command line:
- $ ruby -v.
- // Within irb type “RUBY_VERSION”
- # => “2.4.1”
- // If using RVM:
- $ rvm current.
What IDE should I use for Ruby?
Best Ruby IDE Tools in 2018
|RubyMine||Windows, Linux, macOS, FreeBSD, OpenBSD, Solaris||Proprietary|
|Aptana Studio||Windows, Linux, macOS, FreeBSD, JVM, Solaris||GPL|
|Selenium||Windows, Linux, macOS||Apache 2.0|
How do I remove RVM from my Mac?
- Run the program which removes the rvm/ directory and all the rubies built within it: rvm repair rvm cleanup rvm implode –force. …
- Remove folders: rm -rf /usr/local/rvm sudo rm /etc/profile.d/rvm.sh sudo rm /etc/rvmrc sudo rm ~/.rvmrc.