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.
Brew update ruby.
Homebrew macos ruby versions 2 0 and above are included by default in macos releases since at least el capitan 10 11.
This will take about 30 minutes.
Alright so now that homebrew is installed we can use it to install a newer version of ruby.
To remove ruby with apt you ll need to check which versions of ruby you have installed.
The missing package manager for macos or linux.
The command is pretty straightforward.
Use the package manager to install ruby.
Run brew install ruby.
It s all git and ruby underneath so hack away with the knowledge that you can easily revert your modifications and merge upstream updates.
Homebrew is a commonly used package manager on macos.
Brew install ruby.
Apt installs ruby v2 3 1.
To uninstall follow the directions listed here.
With this homebrew will go out and fetch not only ruby but also any dependencies ruby needs to run.
Homebrew lets you avoid possible security problems associated with using the sudo command to install software like node.
This should install the latest ruby version.
Installing ruby using homebrew is easy.
If ruby is already installed run brew upgrade ruby to upgrade to the latest version.
Debian or ubuntu 16 04.