How To Install qt4-qmlviewer on Debian 9

In this tutorial we learn how to install qt4-qmlviewer on Debian 9. qt4-qmlviewer is Qt 4 QML viewer

Introduction

In this tutorial we learn how to install qt4-qmlviewer on Debian 9.

What is qt4-qmlviewer

qt4-qmlviewer is:

Qt is a cross-platform C++ application framework. Qt’s primary feature is its rich set of widgets that provide standard GUI functionality.

This package contains Qt 4 QML viewer (qml), which can be used for viewing QML files.

There are three methods to install qt4-qmlviewer on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install qt4-qmlviewer Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install qt4-qmlviewer using apt-get by running the following command:

sudo apt-get -y install qt4-qmlviewer

Install qt4-qmlviewer Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install qt4-qmlviewer using apt by running the following command:

sudo apt -y install qt4-qmlviewer

Install qt4-qmlviewer Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install qt4-qmlviewer using aptitude by running the following command:

sudo aptitude -y install qt4-qmlviewer

How To Uninstall qt4-qmlviewer on Debian 9

To uninstall only the qt4-qmlviewer package we can use the following command:

sudo apt-get remove qt4-qmlviewer

Uninstall qt4-qmlviewer And Its Dependencies

To uninstall qt4-qmlviewer and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove qt4-qmlviewer

Remove qt4-qmlviewer Configurations and Data

To remove qt4-qmlviewer configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge qt4-qmlviewer

Remove qt4-qmlviewer configuration, data, and all of its dependencies

We can use the following command to remove qt4-qmlviewer configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge qt4-qmlviewer

Dependencies

qt4-qmlviewer have the following dependencies:

References

Summary

In this tutorial we learn how to install qt4-qmlviewer package on Debian 9 using different package management tools: apt, apt-get and aptitude.