Ubuntu 14.04 RVM Getting-Started Managing Rubies
Hi! The Guide shows you Step-by-Step How to Getting-Started Install/Manage Multiple Ruby Versions by RVM (Ruby Version Manager) on Ubuntu 14.04 Trusty Tahr i386/Amd64 Linux Desktop/Server.
The Post Clearly Explains in Details All Steps Involved in Getting-Started with RVM Ruby Manager.
To the How to Install RVM on Ubuntu 14.04 LTS Bottom you Find Link to Tutorial 4 Getting-Started Quickly in Installing and Managing Multiples Rubies by RVM.
The Content give Focus Only to the Essentials Instructions and Commands to make it Easier to Follow.

Open Terminal Window
(Press “Enter” to Execute Commands)
Or Login into Server Shell Shell…Installing cUrl
sudo su -c "apt-get install curl"
Installing RVM
First, Import the GPG Key with:sudo curl -sSL https://rvm.io/mpapis.asc | sudo gpg --import -
And The Install the Latest RVM:
sudo su -c "curl -L https://get.rvm.io | bash -s stable"
RVM Initial Setup
Adding User to rvm Group
sudo su -c "usermod -a -G rvm USERNAME"
SetUp User to Load rvm on Console
nano ~/.bashrc
Inserts:
source /etc/profile.d/rvm.sh
Ctrl+x to Save & Exit :)
Test rvm Installation
Open a New Shell Window or Tab
rvm -v
That Should Give you a Welcome into RVM :)
Getting-Started with RVM on Ubuntu Linux