How to Install Ruby on Debian with RVM

Step 1 – Prerequisites. Login to your Debian system using GUI or use ssh for remote hosts. ...
Step 2 – Install RVM. ...
Step 3 – List Available Ruby Versions. ...
Step 4 - Install Ruby on Debian. ...
Step 5 - Setup Default Ruby Version. ...
Step 6 - Check Ruby Version. ...
Step 7 - Install Rails.

How do I install a specific version of Ruby using RVM?
How do you use RVM in Ruby?
How do I change the default version of Ruby in RVM?
How do I set default RVM?
How do I manage multiple versions of Ruby?
What is the latest Ruby version?
How do I change the current version of Ruby?
How do I install Ruby 2.6 3?
How do I install RVM on my server?
How do I change the default version of Rails?
How do I update RVM?
How do I install RVM on Windows 10?

How do I install a specific version of Ruby using RVM?

If you choose RVM:

Use the secure installation method.
Read the installation instructions — you probably want the single-user configuration.
Use rvm list known to list available Rubies and then run rvm install x.x.x to install a specific version.
Use rvm use x.x.x --default to change your default Ruby.

How do you use RVM in Ruby?

Examples of using RVM

RVM version. ...
Use a particular Ruby. ...
List Ruby interpreters available for installation. ...
List Ruby interpreters you've already installed. ...
Equivalent to "rvm use 2.1.1", due to defaults. ...
Switch to the system user gems directory. ...
Use the user set default ruby. ...
Use the system ruby (as if no rvm)

How do I change the default version of Ruby in RVM?

If you wish to switch back to your system ruby as default, remember that RVM does not "manage" the system ruby and is "hands off". This means to set the "system" ruby as default, you reset RVM's defaults as follows. Note that "default" is merely implemented as an alias with an especially significant name.

How do I set default RVM?

Multi-User installs accomplish the same thing via the /etc/profile. d/rvm. sh file. Its better to define a default gemset to use so as not to pollute your 'default' or 'global' gemsets.

How do I manage multiple versions of Ruby?

RVM is the answer in such situations. RVM is a command-line tool which allows you to easily install, manage, and work with multiple Ruby environments.
...
Ruby versioning with Ruby Version Manager (RVM)

Install rvm. ...
Install another Ruby version using RVM by running: rvm install 2.4.2.

What is the latest Ruby version?

The current stable version is 3.0. 1. Please be sure to read Ruby's License.
...
Download Ruby

On Linux/UNIX, you can use the package management system of your distribution or third-party tools (rbenv and RVM).
On macOS machines, you can use third-party tools (rbenv and RVM).
On Windows machines, you can use RubyInstaller.

How do I change the current version of Ruby?

Run ruby -v or which ruby to see if a ruby interpreter is already installed. In your case I would probably deinstall all system rubys ( apt-get purge ... ), remove the PPAs, remove your ~/. rvm and rbenv and start from scratch (install packaged stable ruby, then rvm and use rvm (r.g. rvm install 2.3.

How do I install Ruby 2.6 3?

Rails are the framework to run ruby language.
...
RVM is the Ruby Version Manager helps for installing and managing Ruby language on systems.

Step 1 – Install RVM. ...
Step 2 – List Available Ruby Versions. ...
Step 3 – Install Ruby on Ubuntu. ...
Step 4 – Setup Default Ruby Version. ...
Step 5 – Check Ruby Version. ...
Step 6 – Install Rails.

How do I install RVM on my server?

Install

Add the PPA and install the package. Open a terminal ( Ctrl+Alt+T ) and run: sudo apt-add-repository -y ppa:rael-gc/rvm sudo apt-get update sudo apt-get install rvm. ...
Change your terminal window. ...
Reboot. ...
Enable local gemsets. ...
Install a ruby.

How do I change the default version of Rails?

Switch --default is used for setting this version as Ruby default version. Third line install specified version in gemset (Rails 3.2. 3) on related folder.

How do I update RVM?

First of all, update your RVM installation by running rvm get stable . To make sure you're running the new RVM version, you'll then need to run rvm reload (or just open a new terminal). Once that's done, you can ask RVM to list the ruby versions available to install by running rvm list known .

How do I install RVM on Windows 10?

Re: Install RVM on Windows

Install Ruby using the Ruby Installer for Windows.
Use uru (a Ruby picker for Windows) https://bitbucket.org/jonforums/uru/src/master/
Use Bash on Windows (either through the Ubuntu subsystem or cygwin) and install RVM from there.