How To Install libqt4-qt3support on Ubuntu 18.04

In this tutorial we learn how to install libqt4-qt3support on Ubuntu 18.04. libqt4-qt3support is Qt 3 compatibility library for Qt 4

Introduction

In this tutorial we learn how to install libqt4-qt3support on Ubuntu 18.04.

What is libqt4-qt3support

libqt4-qt3support is:

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

The Qt3Support module provides classes that ease porting from Qt 3 to Qt 4.

It allows applications designed to use deprecated Qt 3 classes and functions to work with Qt 4, with help from the qt3to4 porting tool found in the libqt4-dev-bin package.

There are three methods to install libqt4-qt3support on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libqt4-qt3support Using apt-get

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

sudo apt-get update

After updating apt database, We can install libqt4-qt3support using apt-get by running the following command:

sudo apt-get -y install libqt4-qt3support

Install libqt4-qt3support Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libqt4-qt3support using apt by running the following command:

sudo apt -y install libqt4-qt3support

Install libqt4-qt3support 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 Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libqt4-qt3support using aptitude by running the following command:

sudo aptitude -y install libqt4-qt3support

How To Uninstall libqt4-qt3support on Ubuntu 18.04

To uninstall only the libqt4-qt3support package we can use the following command:

sudo apt-get remove libqt4-qt3support

Uninstall libqt4-qt3support And Its Dependencies

To uninstall libqt4-qt3support and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libqt4-qt3support

Remove libqt4-qt3support Configurations and Data

To remove libqt4-qt3support configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libqt4-qt3support

Remove libqt4-qt3support configuration, data, and all of its dependencies

We can use the following command to remove libqt4-qt3support configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libqt4-qt3support

References

Summary

In this tutorial we learn how to install libqt4-qt3support package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.