How to Install Ruby 2.3.3 on CentOS/RHEL with RVM

Ruby 2.3.3 Released – Install Ruby 2.3.3 on CentOS/RHEL, This is an upgrade of Ruby 2.3 series. Ruby is a dynamic, object-oriented programming language.We are using RVM, which stands for Ruby Version Manager, which makes easier to install Ruby on Linux platform. RVM is also helpful for managing multiple version of Ruby without conflicting, and we can switch system to any version of Ruby using a single command.
This tutorial will help you to install Ruby 2.3.3 on CentOS, RedHat systems using RVM.

Step 1. Install Dependencies

First of all, we need to install all required packages for ruby installation on our system using the following command.

# yum install gcc-c++ patch readline readline-devel zlib zlib-devel # yum install libyaml-devel libffi-devel openssl-devel make # yum install bzip2 autoconf automake libtool bison iconv-devel sqlite-devel 

Step 2. Install RVM

Install the latest stable version of RVM on your system using the following command. This command will automatically download all required files and install on your system.

# curl -sSL https://rvm.io/mpapis.asc | gpg --import - # curl -L get.rvm.io | bash -s stable 

Also, run below command to load rvm environment.

# source /etc/profile.d/rvm.sh # rvm reload 

Step 3. Verify Dependencies

Now use following command to verify all dependencies are properly installed.

# rvm requirements run  Checking requirements for centos. Requirements installation successful. 

Step 4. Install Ruby 2.3

After completing setup of RVM environment lets install Ruby language using the following command.

# rvm install 2.3.3 

[Sample Output]

Searching for binary rubies, this might take some time. Found remote file https://rvm_io.global.ssl.fastly.net/binaries/ubuntu/16.04/x86_64/ruby-2.3.3.tar.bz2 Checking requirements for ubuntu. Requirements installation successful. ruby-2.3.3 - #configure ruby-2.3.3 - #download   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current                                  Dload  Upload   Total   Spent    Left  Speed 100 24.8M  100 24.8M    0     0   818k      0  0:00:31  0:00:31 --:--:--  899k ruby-2.3.3 - #validate archive ruby-2.3.3 - #extract ruby-2.3.3 - #validate binary ruby-2.3.3 - #setup ruby-2.3.3 - #gemset created /usr/local/rvm/gems/ruby-2.3.3@global ruby-2.3.3 - #importing gemset /usr/local/rvm/gemsets/global.gems.............................. ruby-2.3.3 - #generating global wrappers........ ruby-2.3.3 - #gemset created /usr/local/rvm/gems/ruby-2.3.3 ruby-2.3.3 - #importing gemsetfile /usr/local/rvm/gemsets/default.gems evaluated to empty gem list ruby-2.3.3 - #generating default wrappers........ 

Step 5. Setup Default Ruby Version

First of all, check currently installed ruby versions on your system.

# rvm list   rvm rubies   * ruby-2.3.0 [ x86_64 ] => ruby-2.3.3 [ x86_64 ]  # => - current # =* - current && default #  * - default 

After that use rvm command to setup default ruby version to be used by applications.

# rvm use 2.3.3 --default  Using /usr/local/rvm/gems/ruby-2.3.3 

Step 6. Check Current Ruby Version.

Using following command you can check the current ruby version is used.

# ruby --version  ruby 2.3.3p222 (2016-11-21 revision 56859) [x86_64-linux] 

Congratulation’s, Finally you have successfully installed Ruby on your system. Read our next article to integrate Ruby with Apache web server with easy steps.
References: 1. http://rvm.io/rubies/installing

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