How To Install perl-Test-NeedsDisplay on CentOS 7

In this tutorial we learn how to install perl-Test-NeedsDisplay on CentOS 7. perl-Test-NeedsDisplay is Ensure that tests needing a display have one

Introduction

In this tutorial we learn how to install perl-Test-NeedsDisplay on CentOS 7.

What is perl-Test-NeedsDisplay

When testing GUI applications, sometimes applications or modules absolutely insist on a display, even just to load a module without actually showing any objects.

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

Install perl-Test-NeedsDisplay on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install perl-Test-NeedsDisplay using yum by running the following command:

sudo yum -y install perl-Test-NeedsDisplay

Install perl-Test-NeedsDisplay 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 perl-Test-NeedsDisplay using dnf by running the following command:

sudo dnf -y install perl-Test-NeedsDisplay

How To Uninstall perl-Test-NeedsDisplay on CentOS 7

To uninstall only the perl-Test-NeedsDisplay package we can use the following command:

sudo dnf remove perl-Test-NeedsDisplay

References

Summary

In this tutorial we learn how to install perl-Test-NeedsDisplay on CentOS 7 using yum and dnf.