How to Install Ruby on Fedora 29-25 with RVM

How to Install Ruby on Fedora 29/28/27/26/25 with RVM. 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 stable release on your Fedora systems using RVM.

Step 1 – Prerequsities

First of all, we need to install all required packages for ruby installation on our system using the following command. Login to your Fedora system and open terminal.

sudo -i
dnf install gcc-c++ patch readline readline-devel zlib zlib-devel \
    libyaml-devel libffi-devel openssl-devel make \
    bzip2 autoconf automake libtool bison iconv-devel sqlite-devel \

Step 2 – Install RVM

Then, 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 the following command to verify all dependencies are properly installed.

rvm requirements run

Checking requirements for fedora.
Requirements installation successful.

Step 4 – Install Ruby on Fedora

Now, your system is ready for the Ruby installation. You can find the available Ruby version for installation using below command.

rvm list known

Then install the required Ruby version on your system. Here, I am installing Ruby 2.6 on my Fedora 28 system. You can simply replace the version to below command of your choice and install.

rvm install 2.6

Step 5 – Setup Default Ruby Version

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

rvm list

   ruby-2.3.5 [ x86_64 ]
   ruby-2.4.2 [ x86_64 ]
   ruby-2.4.4 [ x86_64 ]
 * ruby-2.5.1 [ x86_64 ]
=> ruby-2.6.0 [ x86_64 ]

# => - current
# =* - current && default
#  * - default

After that use rvm command to set up the default ruby version to be used by applications.

rvm use 2.6.0 --default

Using /usr/local/rvm/gems/ruby-2.6.0

Step 6 – Check Current Ruby Version.

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

ruby --version

ruby 2.6.0p0 (2018-12-25 revision 66547) [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