How To Install classification-banner on CentOS 7

In this tutorial we learn how to install classification-banner on CentOS 7. classification-banner is Displays Classification Banner for a Graphical Session

Introduction

In this tutorial we learn how to install classification-banner on CentOS 7.

What is classification-banner

Classification Banner is a python script that will display the classification level banner of a session with a variety of configuration options on the primary screen. This script can help government and possibly private customers display a notification that sensitive material is being displayed - for example PII or SECRET Material being processed in a graphical session. The script has been tested on a variety of graphical environments such as GNOME2, GNOME3, KDE, twm, icewm, and Cinnamon.

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

Install classification-banner on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install classification-banner

Install classification-banner 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 classification-banner using dnf by running the following command:

sudo dnf -y install classification-banner

How To Uninstall classification-banner on CentOS 7

To uninstall only the classification-banner package we can use the following command:

sudo dnf remove classification-banner

References

Summary

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