INSTALL RVM ( RUBY VERSION MANAGER ) IN UBUNTU 12.04 LINUX FOR RUBY

Let’s install Ruby Using RVM.

Removing old rvm and ruby from Machine

First of all lets clean-up little bit.

As we know Ubuntu editions comes with a version of RVM but unfortunately it doesn’t work correctly, so what we are going to do is that we will clean-up old stuffs if there is any!

It’s not a big deal, but we do need to get rid of it from the system before we start.

sudo apt-get remove --purge ruby-rvm ruby
sudo rm -rf /usr/share/ruby-rvm /etc/rmvrc /etc/profile.d/rvm.sh

# Check if there is anything

ls -d ~/.rvm*
ls -d ~/.gem*
ls -d ~/.bundle*

# Delete them (ignoring those that don’t exist)

rm -rf ~/.rvm* ~/.gem/ ~/.bundle*

First we’ll make sure that your system has all the prerequisite system utilities. There’s no harm in doing this gain if you’ve done it before. It will simply skip whatever has been installed previously.

sudo apt-get update

sudo apt-get install -y \
git \
build-essential \
curl \
wget

# For bash

echo "[[ -s '${HOME}/.rvm/scripts/rvm' ]] && source '${HOME}/.rvm/scripts/rvm'" >> ~/.bashrc

Note: The && is a way to say run this next command, but only if the previous command had no errors.

curl -L https://get.rvm.io | bash -s stable

source ~/.bashrc

rvm install ruby 1.9.3

rvm use --default 1.9.3