I just come across this problem this morning here is what i did.
Install ruby 2 7 0 mac.
On mac set ruby codesign environment variable with a signing identity.
Please note that some gems are not yet compatible with ruby 2 7 on windows.
Execute the command below to install rbenv.
When using homebrew there are several libraries that use a formula called xz including the silver searcher and imagemagick which by default install a version of liblzma that is incompatible with most ruby builds.
On windows machines you can use rubyinstaller.
Please note that some gems are not yet compatible with ruby 2 7 on windows.
This ruby version is now your default version when running ruby gem etc.
Brew update brew upgrade ruby build then run rbenv install 2 6 3 again.
Rubyinstaller 2 7 0 1 has been released.
On macos machines you can use third party tools rbenv and rvm.
For a complete list of ways to install ruby including using third party tools like rvm see.
This tutorial will help you to install rvm on your system.
Go to ruby installer in your web browser.
Rubyinstaller 2 7 0 1 has been released.
See the ruby 2 7 0 release post and the the rubyinstaller changelog for more details.
You should therefore stay on 2 6 until 2 7 is well supported unless you want to contribute and fix remaining issues.
It uses the identity to sign ruby binary.
Take a look at the rbenv versions output and set the listed ruby version as rbenv global version.
Click ruby 2 2 2 near the top of the rubyinstallers list.
How to install ruby on centos rhel 7 6.
The solution for this is a little more subtle and can be fixed in a couple of ways.
Rvm ruby version manager is a tool for installing and managing multiple ruby versions on single operating systems.
A list of rubyinstallers appears.
On linux unix you can use the package management system of your distribution or third party tools rbenv and rvm.
Ruby is a dynamic object oriented programming language focused on simplicity and productivity.
Click the big red download button.
We have several tools on each major platform to install ruby.
Mac has basically ruby.
And now you can retry gem install or bundle install commands.
See the ruby 2 7 0 release post and the the rubyinstaller changelog for more details.
Homebrew installs only the 64 bit version of the library but most ruby builds are universal.
To run ruby on windows you have to install ruby and several developer tools.
The following instructions have been tested with windows 8 and 8 1.