Install the latest stable version of ruby with rvm and set it as the default version with.
Rvm install ruby from local source.
If the rvm install script complains about certificates you need to follow the displayed instructions.
First check to see which versions of ruby are available by listing them.
Verify that ruby was properly installed by printing the version number.
Rvm if the install script is run as a standard non root user rvm will install into the current users s home directory.
Rvm list known then install the specific version of ruby that you need through rvm where ruby version can be typed as ruby 2 4 0 for instance or just 2 4 0.
Switching between patchlevels is very easy.
In this case you can see that rvm has in fact hidden itself from the system and given you access back to the system installed ruby.
Rvm install 2 5 1rvm use 2 5 1 default.
To install a version of ruby using rvm use the command rvm install version number so to install version 2 6 3 of ruby enter the following into the terminal.
After the installation we can list the available ruby versions we have installed by.
Rvm install 2 1 1 installing ruby from source to.
Once any user s added to the rvm group have logged out then back in to gain rvm group membership they will be able to execute rvm get head or rvm get stable to update rvm itself.
Rvm ruby 2 0 0 p451 switching to ruby 2 0 0 p451.
Rvm use system ruby v ruby 2 0 0p451 2014 02 24 revision 45167 universal x86 64 darwin13 which ruby usr bin ruby which tells the current shell to return the location of ruby.
They will also be able to install any ruby listed in rvm list known as well as upgrade existing rubies and create gemsets.
Depending on your operating system the above command may use precompiled binaries or compile the ruby binaries from source.
Of course you can install ruby from source.
To change pass the prefix dir option to the configure script.
Source rvm scripts rvm if path was specified when instaling rvm use the specified path rather than rvm download ruby rubygems and yaml.
By default this will install ruby into usr local.
You can find more information about building from source in the ruby.
Configure make sudo make install.