How To Install rubygem-diff-lcs on CentOS 8
Introduction
In this tutorial we learn how to install rubygem-diff-lcs on CentOS 8.
What is rubygem-diff-lcs
Diff McIlroy-Hunt longest common subsequence (LCS) algorithm. It includes utilities to create a simple HTML diff output format and a standard diff-like tool.
We can use yum or dnf to install rubygem-diff-lcs on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-diff-lcs.
Install rubygem-diff-lcs 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-diff-lcs using dnf by running the following command:
sudo dnf -y install rubygem-diff-lcs
Install rubygem-diff-lcs 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-diff-lcs using yum by running the following command:
sudo yum -y install rubygem-diff-lcs
How To Uninstall rubygem-diff-lcs on CentOS 8
To uninstall only the rubygem-diff-lcs package we can use the following command:
sudo dnf remove rubygem-diff-lcs
rubygem-diff-lcs Package Contents on CentOS 8
/usr/bin/htmldiff
/usr/bin/ldiff
/usr/share/gems/gems/diff-lcs-1.3
/usr/share/gems/gems/diff-lcs-1.3/License.md
/usr/share/gems/gems/diff-lcs-1.3/bin
/usr/share/gems/gems/diff-lcs-1.3/bin/htmldiff
/usr/share/gems/gems/diff-lcs-1.3/bin/ldiff
/usr/share/gems/gems/diff-lcs-1.3/docs
/usr/share/gems/gems/diff-lcs-1.3/docs/COPYING.txt
/usr/share/gems/gems/diff-lcs-1.3/docs/artistic.txt
/usr/share/gems/gems/diff-lcs-1.3/lib
/usr/share/gems/gems/diff-lcs-1.3/lib/diff
/usr/share/gems/gems/diff-lcs-1.3/lib/diff-lcs.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/array.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/block.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/callbacks.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/change.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/htmldiff.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/hunk.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/internals.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/ldiff.rb
/usr/share/gems/gems/diff-lcs-1.3/lib/diff/lcs/string.rb
/usr/share/gems/specifications/diff-lcs-1.3.gemspec
References
Summary
In this tutorial we learn how to install rubygem-diff-lcs on CentOS 8 using yum and dnf.