How To Install hijra-applet on Ubuntu 18.04

In this tutorial we learn how to install hijra-applet on Ubuntu 18.04. hijra-applet is Hijri Islamic Calendar tray applet and GNOME shell extension

Introduction

In this tutorial we learn how to install hijra-applet on Ubuntu 18.04.

What is hijra-applet

hijra-applet is:

Hijri Tray Applet for GNOME (also works with KDE), and GNOME shell extension that uses Hijra Algorithm by Muayyad Saleh Alsadi provided by python-hijra package.

This algorithm is based on integer operations which that there is no round errors (given accurate coefficients) the accuracy of this algorithm is based on 3 constants (p, q and a) where p/q is the full months percentage [ gcd(p,q) must be 1 ] currently it is set to 191/360 which mean that there is 191 months having 30 days in a span of 360 years, other months are 29 days, and a is just a shift.

There are three methods to install hijra-applet 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 hijra-applet Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install hijra-applet

Install hijra-applet Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install hijra-applet

Install hijra-applet 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 hijra-applet using aptitude by running the following command:

sudo aptitude -y install hijra-applet

How To Uninstall hijra-applet on Ubuntu 18.04

To uninstall only the hijra-applet package we can use the following command:

sudo apt-get remove hijra-applet

Uninstall hijra-applet And Its Dependencies

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

sudo apt-get -y autoremove hijra-applet

Remove hijra-applet Configurations and Data

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

sudo apt-get -y purge hijra-applet

Remove hijra-applet configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge hijra-applet

References

Summary

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