To remove ruby with apt you ll need to check which versions of ruby you have installed.
Brew update ruby.
Homebrew is package manager for macs which makes installing lots of different software like git ruby and node simpler.
Homebrew macos ruby versions 2 0 and above are included by default in macos releases since at least el capitan 10 11.
With this homebrew will go out and fetch not only ruby but also any dependencies ruby needs to run.
Brew install ruby.
We will be setting up a ruby on rails development environment on macos 10 14 mojave.
The missing package manager for macos or linux.
Alright so now that homebrew is installed we can use it to install a newer version of ruby.
Homebrew lets you avoid possible security problems associated with using the sudo command to install software like node.
Homebrew is a commonly used package manager on macos.
Use the package manager to install ruby.
Installing ruby using homebrew is easy.
This should install the latest ruby version.
It s all git and ruby underneath so hack away with the knowledge that you can easily revert your modifications and merge upstream updates.
The command is pretty straightforward.
This will take about 30 minutes.
Installing homebrew on a mac installation.
Older versions of os x are mostly compatible so follow along as far as you can and then google search for any problems you run into.
If ruby is already installed run brew upgrade ruby to upgrade to the latest version.
Run brew install ruby.