How to install Ruby 2 1 4 on Ubuntu 14 04

Question

I dont know how to install the latest Ruby on Ubuntu    First I installed the default Ruby 1 9 3  using  sudo apt-get install ruby   Then I tried to install the 2 0 version using  sudo apt-get install ruby2 0   My version of Ruby is still  ruby 1 9 3p484  2013-11-22 revision 43786   x86 64-linux     What should I do

User · Answer

There is a PPA with up-to-date versions of Ruby 2 x for Ubuntu 12 04      sudo apt-add-repository ppa brightbox ruby-ng   sudo apt-get update   sudo apt-get install ruby2 4    ruby -v ruby 2 4 1p111  2017-03-22 revision 58053   x86 64-linux-gnu

User · Answer

update ubuntu    sudo apt-get update  sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-properties libffi-dev   Install rvm  which manages the ruby versions   to install rvm use the following command     curl -sSL https   get rvm io   bash -s stable  source    bash profile  rvm install ruby-2 1 4   Check ruby versions installed and in use   rvm list rvm use --default ruby-2 1 4

User · Answer

Use RVM  Ruby Version Manager  to install and manage any versions of Ruby  You can have multiple versions of Ruby installed on the machine and you can easily select the one you want   To install RVM type into terminal    curl -sSL https   get rvm io   bash -s stable   And let it work  After that you will have RVM along with Ruby installed   Source  RVM Site

User · Answer

Best is to install it using rvm ruby version manager   Run following commands in a terminal   sudo apt-get update sudo apt-get install build-essential make curl  curl -L https   get rvm io   bash -s stable source    bash profile rvm install ruby-2 1 4   Then check ruby versions installed and in use   rvm list rvm use --default ruby-2 1 4   Also you can directly add ruby bin path to PATH variable  Ruby is installed in   HOME  rvm rubies export PATH  PATH  HOME  rvm rubies ruby-2 1 4 bin

User · Answer

First of all  install the prerequisite libraries   sudo apt-get update sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-properties libffi-dev   Then install rbenv  which is used to install Ruby   cd git clone https   github com rbenv rbenv git    rbenv echo  export PATH   HOME  rbenv bin  PATH    gt  gt     bashrc echo  eval    rbenv init -     gt  gt     bashrc exec  SHELL  git clone https   github com rbenv ruby-build git    rbenv plugins ruby-build echo  export PATH   HOME  rbenv plugins ruby-build bin  PATH    gt  gt     bashrc exec  SHELL  rbenv install 2 3 1 rbenv global 2 3 1 ruby -v   Then  optional  tell Rubygems to not install local documentation   echo  gem  --no-ri --no-rdoc   gt     gemrc   Credits  https   gorails com setup ubuntu 14 10  Warning    There are issues with Gnome-Shell  See comment below

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