How To Install libjpeg9 on Ubuntu 18.04

In this tutorial we learn how to install libjpeg9 on Ubuntu 18.04. libjpeg9 is Independent JPEG Groups JPEG runtime library

Introduction

In this tutorial we learn how to install libjpeg9 on Ubuntu 18.04.

What is libjpeg9

libjpeg9 is:

The Independent JPEG Group’s JPEG library is a library for handling JPEG files.

This package contains the shared library.

There are three methods to install libjpeg9 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 libjpeg9 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libjpeg9 using apt-get by running the following command:

sudo apt-get -y install libjpeg9

Install libjpeg9 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libjpeg9 using apt by running the following command:

sudo apt -y install libjpeg9

Install libjpeg9 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 libjpeg9 using aptitude by running the following command:

sudo aptitude -y install libjpeg9

How To Uninstall libjpeg9 on Ubuntu 18.04

To uninstall only the libjpeg9 package we can use the following command:

sudo apt-get remove libjpeg9

Uninstall libjpeg9 And Its Dependencies

To uninstall libjpeg9 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove libjpeg9

Remove libjpeg9 Configurations and Data

To remove libjpeg9 configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge libjpeg9

Remove libjpeg9 configuration, data, and all of its dependencies

We can use the following command to remove libjpeg9 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libjpeg9

References

Summary

In this tutorial we learn how to install libjpeg9 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.