nstall Ruby 3 on RHEL 8|CentOS 8|Rocky Linux 8

admin linux 2023年3月14日

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In this guide, we will look at how you can Install Ruby 3 on RHEL 8 / CentOS 8 / Rocky Linux 8 system. Ruby is a dynamic, open source, object-oriented scripting language created with simplicity and productivity in mind. In this guide, I’ll show you how to Install Ruby 3 on RHEL 8 / CentOS 8 / Rocky Linux 8 with RVM Ruby Version Manager.

Option 1) Install Ruby 3 on RHEL 8|CentOS 8|Rocky Linux 8 from Repo

RHEL 8 provides Ruby 2 and 3 in AppStream repository. You can confirm its availability using the command:

$ sudo yum module list rubyRocky Linux 8 - AppStream
Name Stream Profiles Summary
ruby 2.5 [d] common [d] An interpreter of object-oriented scripting language
ruby 2.6 common [d] An interpreter of object-oriented scripting language
ruby 2.7 common [d] An interpreter of object-oriented scripting language
ruby 3.0 common [d] An interpreter of object-oriented scripting language
ruby 3.1 common [d] An interpreter of object-oriented scripting language
Hint: [d]efault, [e]nabled, [x]disabled, [i]nstalled

Disable default Ruby AppStream module on your system

****gem sources --add http://rubygems.org

sudo dnf module reset ruby -y

To specify the module version, use the command:

sudo yum install @ruby:3.0  *****  yum install ruby-devel
****gem install nokogiri --platform=ruby
*** rvm install ruby-3.0.2
***gem install bundler
**gem update --system
gem env

bundle install

Proceed with the installation:

**** git clone https://github.com/wpscanteam/wpscan

cd wpscan

gem install wpscan

....
Dependencies resolved.
====================================================================================================================================================================================================== Package Architecture Version Repository Size
======================================================================================================================================================================================================
Installing group/module packages: ruby x86_64 3.1.2-141.module+el8.7.0+1081+f0a69743 appstream 88 k
Installing dependencies: ruby-default-gems noarch 3.1.2-141.module+el8.7.0+1081+f0a69743 appstream 78 k ruby-libs x86_64 3.1.2-141.module+el8.7.0+1081+f0a69743 appstream 3.3 M rubygem-io-console x86_64 0.5.11-141.module+el8.7.0+1081+f0a69743 appstream 72 k rubygem-json x86_64 2.6.1-141.module+el8.7.0+1081+f0a69743 appstream 99 k rubygem-psych x86_64 4.0.3-141.module+el8.7.0+1081+f0a69743 appstream 98 k
Installing weak dependencies: rubygem-bigdecimal x86_64 3.1.1-141.module+el8.7.0+1081+f0a69743 appstream 113 k rubygem-bundler noarch 2.3.7-141.module+el8.7.0+1081+f0a69743 appstream 448 k rubygem-rdoc noarch 6.4.0-141.module+el8.7.0+1081+f0a69743 appstream 517 k rubygems noarch 3.3.7-141.module+el8.7.0+1081+f0a69743 appstream 319 k
Installing module profiles: ruby/common
Enabling module streams: ruby 3.1
Transaction Summary
======================================================================================================================================================================================================
Install 10 Packages
Total download size: 5.1 M
Installed size: 16 M
Is this ok [y/N]: y

Once installed, check version:

$ ruby --versionruby 3.1.2p20 (2022-04-12 revision 4491bb740a) [x86_64-linux]

Option 2) Install Ruby 3 using rbenv on RHEL 8|CentOS 8|Rocky Linux 8

Rbenv is a command-line tool which allows you to easily install, manage, and work with multiple ruby environments from interpreters to sets of gems. Install RVM on RHEL 8 by running the commands below in your terminal.

Install common tools required

sudo dnf -y install git make gcc curl openssl-devel zlib-devel libffi-devel readline-devel sqlite-devel

Install required rbenv tool by running the following commands:

curl -fsSL https://github.com/rbenv/rbenv-installer/raw/HEAD/bin/rbenv-installer | bash

Configure environment for Rbenv

echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
source ~/.bashrc

Confirm rbenv version

$ rbenv -vrbenv 1.2.0-59-g0704e65

Print a list of all Ruby versions that can be installed with rbenv:

$ rbenv install -l2.7.7
3.0.5
3.1.3
3.2.1
jruby-9.4.1.0
mruby-3.2.0
picoruby-3.0.0
truffleruby-22.3.1
truffleruby+graalvm-22.3.1

Let’s install Ruby 3.2.1:

$ rbenv install 3.2.1Installing ruby-3.2.1...
Installed ruby-3.2.1 to /home/technixleo/.rbenv/versions/3.2.1

Setting installed Ruby as global version:

rbenv global 3.2.1

Confirm Ruby version:

$ ruby --version

You have successfully installed Ruby on RHEL 8|CentOS 8|Rocky Linux 8.

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