How To Install rubygem-ruby-shadow on CentOS 8

rubygem-ruby-shadow is Ruby shadow password module

Introduction

In this tutorial we learn how to install rubygem-ruby-shadow on CentOS 8.

What is rubygem-ruby-shadow

This module provides access to shadow passwords on Linux and Solaris.

We can use yum or dnf to install rubygem-ruby-shadow on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-ruby-shadow.

Install rubygem-ruby-shadow on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install rubygem-ruby-shadow using dnf by running the following command:

sudo dnf -y install rubygem-ruby-shadow

Install rubygem-ruby-shadow on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install rubygem-ruby-shadow using yum by running the following command:

sudo yum -y install rubygem-ruby-shadow

How To Uninstall rubygem-ruby-shadow on CentOS 8

To uninstall only the rubygem-ruby-shadow package we can use the following command:

sudo dnf remove rubygem-ruby-shadow

rubygem-ruby-shadow Package Contents on CentOS 8

/usr/lib/.build-id
/usr/lib/.build-id/9a
/usr/lib/.build-id/9a/e536115771ecca3d7ecefe3405de376a99399a
/usr/lib64/gems/ruby/ruby-shadow-2.5.0
/usr/lib64/gems/ruby/ruby-shadow-2.5.0/gem.build_complete
/usr/lib64/gems/ruby/ruby-shadow-2.5.0/shadow.so
/usr/share/gems/gems/ruby-shadow-2.5.0
/usr/share/gems/gems/ruby-shadow-2.5.0/LICENSE
/usr/share/gems/gems/ruby-shadow-2.5.0/ruby-shadow.gemspec
/usr/share/gems/specifications/ruby-shadow-2.5.0.gemspec

References

Summary

In this tutorial we learn how to install rubygem-ruby-shadow on CentOS 8 using yum and dnf.