How To Install libopenjp2-7 on Ubuntu 20.04

In this tutorial we learn how to install libopenjp2-7 on Ubuntu 20.04. libopenjp2-7 is JPEG 2000 image compression/decompression library JPEG 2000 image compression/decompression library

Introduction

In this tutorial we learn how to install libopenjp2-7 on Ubuntu 20.04.

What is `libopenjp2-7`

libopenjp2-7 is:

OpenJPEG is a library for handling the JPEG 2000 image compression format. JPEG 2000 is a wavelet-based image compression standard and permits progressive transmission by pixel and resolution accuracy for progressive downloads of an encoded image. It supports lossless and lossy compression, supports higher compression than JPEG 1991, and has resilience to errors in the image.

This package contains the runtime files for openjpeg 2.x Task: print-server, ubuntu-desktop-minimal, ubuntu-desktop, kubuntu-desktop, xubuntu-core, xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop-core, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop

Package: libopenjp2-7 Architecture: amd64 Version: 2.3.1-1ubuntu4 Multi-Arch: same Priority: extra Section: libs Source: openjpeg2 Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Debian PhotoTools Maintainers [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 399 Depends: libc6 (>= 2.29) Filename: pool/main/o/openjpeg2/libopenjp2-7_2.3.1-1ubuntu4_amd64.deb Size: 140944 MD5sum: 4c58f7aa20fb4febf38002e64eebf87b SHA1: ab8bb154f5c1bd8b8e4eafcd42f59c9b1d0e52f4 SHA256: b78bcda00ece1ea5daf2a175f769f4d659f2a7e492db5d25ba36b38c91292d73 Homepage: http://www.openjpeg.org Description-en: JPEG 2000 image compression/decompression library OpenJPEG is a library for handling the JPEG 2000 image compression format. JPEG 2000 is a wavelet-based image compression standard and permits progressive transmission by pixel and resolution accuracy for progressive downloads of an encoded image. It supports lossless and lossy compression, supports higher compression than JPEG 1991, and has resilience to errors in the image.

There are three methods to install libopenjp2-7 on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libopenjp2-7 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libopenjp2-7 using apt-get by running the following command:

sudo apt-get -y install libopenjp2-7

Install libopenjp2-7 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libopenjp2-7 using apt by running the following command:

sudo apt -y install libopenjp2-7

Install libopenjp2-7 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 libopenjp2-7 using aptitude by running the following command:

sudo aptitude -y install libopenjp2-7

How To Uninstall libopenjp2-7 on Ubuntu 20.04

To uninstall only the libopenjp2-7 package we can use the following command:

sudo apt-get remove libopenjp2-7

Uninstall libopenjp2-7 And Its Dependencies

To uninstall libopenjp2-7 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libopenjp2-7

Remove libopenjp2-7 Configurations and Data

To remove libopenjp2-7 configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libopenjp2-7

Remove libopenjp2-7 configuration, data, and all of its dependencies

We can use the following command to remove libopenjp2-7 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libopenjp2-7

References

Summary

In this tutorial we learn how to install libopenjp2-7 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.