How To Install rubygem-introspection on CentOS 8
Introduction
In this tutorial we learn how to install rubygem-introspection on CentOS 8.
What is rubygem-introspection
Dynamic inspection of the hierarchy of method definitions on a Ruby object.
We can use yum or dnf to install rubygem-introspection on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-introspection.
Install rubygem-introspection 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-introspection using dnf by running the following command:
sudo dnf -y install rubygem-introspection
Install rubygem-introspection 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-introspection using yum by running the following command:
sudo yum -y install rubygem-introspection
How To Uninstall rubygem-introspection on CentOS 8
To uninstall only the rubygem-introspection package we can use the following command:
sudo dnf remove rubygem-introspection
rubygem-introspection Package Contents on CentOS 8
/usr/share/gems/gems/introspection-0.0.4
/usr/share/gems/gems/introspection-0.0.4/COPYING.txt
/usr/share/gems/gems/introspection-0.0.4/lib
/usr/share/gems/gems/introspection-0.0.4/lib/introspection
/usr/share/gems/gems/introspection-0.0.4/lib/introspection.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/assertions.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/core_ext
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/core_ext.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/core_ext/symbol.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/method.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/receivers.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/snapshot.rb
/usr/share/gems/gems/introspection-0.0.4/lib/introspection/version.rb
/usr/share/gems/specifications/introspection-0.0.4.gemspec
References
Summary
In this tutorial we learn how to install rubygem-introspection on CentOS 8 using yum and dnf.
