How To Install rubygem-jgrep on CentOS 8
Introduction
In this tutorial we learn how to install rubygem-jgrep on CentOS 8.
What is rubygem-jgrep
JGrep is Ruby-based CLI tool and API for parsing and displaying JSON data using a logical expression syntax. It allows you to search a list of JSON documents and return specific documents or values based on logical truths.
We can use yum or dnf to install rubygem-jgrep on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-jgrep.
Install rubygem-jgrep 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-jgrep using dnf by running the following command:
sudo dnf -y install rubygem-jgrep
Install rubygem-jgrep 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-jgrep using yum by running the following command:
sudo yum -y install rubygem-jgrep
How To Uninstall rubygem-jgrep on CentOS 8
To uninstall only the rubygem-jgrep package we can use the following command:
sudo dnf remove rubygem-jgrep
rubygem-jgrep Package Contents on CentOS 8
/usr/bin/jgrep
/usr/share/doc/rubygem-jgrep
/usr/share/doc/rubygem-jgrep/CHANGELOG.markdown
/usr/share/doc/rubygem-jgrep/README.markdown
/usr/share/gems/gems/jgrep-1.5.1
/usr/share/gems/gems/jgrep-1.5.1/bin
/usr/share/gems/gems/jgrep-1.5.1/bin/jgrep
/usr/share/gems/gems/jgrep-1.5.1/lib
/usr/share/gems/gems/jgrep-1.5.1/lib/jgrep.rb
/usr/share/gems/gems/jgrep-1.5.1/lib/parser
/usr/share/gems/gems/jgrep-1.5.1/lib/parser/parser.rb
/usr/share/gems/gems/jgrep-1.5.1/lib/parser/scanner.rb
/usr/share/gems/specifications/jgrep-1.5.1.gemspec
/usr/share/licenses/rubygem-jgrep
/usr/share/licenses/rubygem-jgrep/COPYING
References
Summary
In this tutorial we learn how to install rubygem-jgrep on CentOS 8 using yum and dnf.
