How To Install fcitx-frontend-qt4 on Ubuntu 18.04

In this tutorial we learn how to install fcitx-frontend-qt4 on Ubuntu 18.04. fcitx-frontend-qt4 is Flexible Input Method Framework - Qt4 IM Module frontend

Introduction

In this tutorial we learn how to install fcitx-frontend-qt4 on Ubuntu 18.04.

What is fcitx-frontend-qt4

fcitx-frontend-qt4 is:

Fcitx is a input method framework with extension support, which provides an interface for entering characters of different scripts in applications using a variety of mapping systems.

It offers a pleasant and modern experience, with intuitive graphical configuration tools and customizable skins and mapping tables. It is highly modularized and extensible, with GTK+ 2/3 and Qt4 IM Modules, support for UIs based on Fbterm, pure Xlib, GTK+, or KDE, and a developer-friendly API.

This package provides the QT 4 IM Module frontend, which is recommended for KDE4 desktop users.

There are three methods to install fcitx-frontend-qt4 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 fcitx-frontend-qt4 Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install fcitx-frontend-qt4

Install fcitx-frontend-qt4 Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install fcitx-frontend-qt4

Install fcitx-frontend-qt4 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 fcitx-frontend-qt4 using aptitude by running the following command:

sudo aptitude -y install fcitx-frontend-qt4

How To Uninstall fcitx-frontend-qt4 on Ubuntu 18.04

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

sudo apt-get remove fcitx-frontend-qt4

Uninstall fcitx-frontend-qt4 And Its Dependencies

To uninstall fcitx-frontend-qt4 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove fcitx-frontend-qt4

Remove fcitx-frontend-qt4 Configurations and Data

To remove fcitx-frontend-qt4 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge fcitx-frontend-qt4

Remove fcitx-frontend-qt4 configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge fcitx-frontend-qt4

References

Summary

In this tutorial we learn how to install fcitx-frontend-qt4 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.