How To Install rubygem-highline on CentOS 8

rubygem-highline is HighLine is a high-level command-line IO library

Introduction

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

What is rubygem-highline

A high-level IO library that provides validation, type conversion, and more for command-line interfaces. HighLine also includes a complete menu system that can crank out anything from simple list selection to complete shells with just minutes of work.

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

Install rubygem-highline 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-highline using dnf by running the following command:

sudo dnf -y install rubygem-highline

Install rubygem-highline 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-highline using yum by running the following command:

sudo yum -y install rubygem-highline

How To Uninstall rubygem-highline on CentOS 8

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

sudo dnf remove rubygem-highline

rubygem-highline Package Contents on CentOS 8

/usr/share/gems/gems/highline-1.7.8
/usr/share/gems/gems/highline-1.7.8/COPYING
/usr/share/gems/gems/highline-1.7.8/lib
/usr/share/gems/gems/highline-1.7.8/lib/highline
/usr/share/gems/gems/highline-1.7.8/lib/highline.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/color_scheme.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/compatibility.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/import.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/menu.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/question.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/simulate.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/string_extensions.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/style.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/system_extensions.rb
/usr/share/gems/gems/highline-1.7.8/lib/highline/version.rb
/usr/share/gems/specifications/highline-1.7.8.gemspec

References

Summary

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