How To Install rubygem-power_assert on CentOS 8

rubygem-power_assert is Power Assert for Ruby

Introduction

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

What is rubygem-power_assert

Power Assert shows each value of variables and method calls in the expression. It is useful for testing, providing which value wasn’t correct when the condition is not satisfied.

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

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

sudo dnf -y install rubygem-power_assert

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

sudo yum -y install rubygem-power_assert

How To Uninstall rubygem-power_assert on CentOS 8

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

sudo dnf remove rubygem-power_assert

rubygem-power_assert Package Contents on CentOS 8

/usr/share/gems/gems/power_assert-1.1.1
/usr/share/gems/gems/power_assert-1.1.1/BSDL
/usr/share/gems/gems/power_assert-1.1.1/COPYING
/usr/share/gems/gems/power_assert-1.1.1/Gemfile
/usr/share/gems/gems/power_assert-1.1.1/LEGAL
/usr/share/gems/gems/power_assert-1.1.1/README.rdoc
/usr/share/gems/gems/power_assert-1.1.1/Rakefile
/usr/share/gems/gems/power_assert-1.1.1/bin
/usr/share/gems/gems/power_assert-1.1.1/bin/console
/usr/share/gems/gems/power_assert-1.1.1/bin/setup
/usr/share/gems/gems/power_assert-1.1.1/lib
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/colorize.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/configuration.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/context.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/enable_tracepoint_events.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/inspector.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/parser.rb
/usr/share/gems/gems/power_assert-1.1.1/lib/power_assert/version.rb
/usr/share/gems/gems/power_assert-1.1.1/power_assert.gemspec
/usr/share/gems/specifications/power_assert-1.1.1.gemspec

References

Summary

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