How To Install rubygem-launchy on CentOS 7

Introduction

In this tutorial we learn how to install rubygem-launchy on CentOS 7.

What is rubygem-launchy

Launchy is helper class for launching cross-platform applications in a fire and forget manner. There are application concepts (browser, email client, etc) that are common across all platforms, and they may be launched differently on each platform. Launchy is here to make a common approach to launching external application from within ruby programs.

We can use yum or dnf to install rubygem-launchy on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install rubygem-launchy.

Install rubygem-launchy on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install rubygem-launchy using yum by running the following command:

sudo yum -y install rubygem-launchy

Install rubygem-launchy on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install rubygem-launchy using dnf by running the following command:

sudo dnf -y install rubygem-launchy

How To Uninstall rubygem-launchy on CentOS 7

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

sudo dnf remove rubygem-launchy

References

• rubygem-launchy website

Summary

In this tutorial we learn how to install rubygem-launchy on CentOS 7 using yum and dnf.