Rvm list we can switch between the ruby versions by typing.
Rvm install ruby version 2 3.
If you need a different newer version of rvm after installing base version of rvm check the upgrading section.
To do this we will use the ruby version manager you installed when you did your original system install.
It can also manage different gemsets.
Ruby 2 3 3 provides substantial performance and reliability improvements include frozen string literal pragma safe navigation operator and many others while maintaining source level backward compatibility with ruby.
Depending on your operating system the above command may use precompiled binaries or compile the ruby binaries from source.
Searching for binary rubies this might take some time.
After the installation we can list the available ruby versions we have installed by typing.
Rvm install 2 6 1 rvm use 2 6 1 default.
Rvm use system ruby v ruby 2 0 0p451 2014 02 24 revision 45167 universal x86 64 darwin13 to switch at any time to the ruby you have selected as default.
We need to upgrade our entire version of rubygems.
We are using rvm which stands for ruby version manager.
While it can t install ruby by default its ruby build plugin can.
Curl ssl https get rvm io bash.
Both tools are available for macos linux or other unix like operating systems.
Install rvm stable with ruby.
Rvm default ruby v ruby 2 1 1p76 2014 02 24 revision 45161 x86 64 darwin12 0 to show what ruby is currently the selected default if any do.
To upgrade from ruby 2 3 to 2 6 first you ll need to upgrade your version of ruby.
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.
Install rvm development version.
To do this we have to run the following command gem update system.
Additionally with rails poor man s railsinstaller.
I ran rvm v and it returned rvm 1 29 1 so i ran rvm install 2 2 2 to upgrade the ruby version.
Ruby 2 2 2 removing rubies ruby 2 2 2.
Ruby is a dynamic object oriented programming language.