How To Install qt4-qmlviewer on Ubuntu 18.04
Introduction
In this tutorial we learn how to install qt4-qmlviewer on Ubuntu 18.04.
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 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 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 Ubuntu. 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 Ubuntu 18.04
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 Ubuntu 18.04, 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 Ubuntu 18.04 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
References
Summary
In this tutorial we learn how to install qt4-qmlviewer package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
