How To Install libkrb5-3 on Ubuntu 20.04

In this tutorial we learn how to install libkrb5-3 on Ubuntu 20.04. libkrb5-3 is MIT Kerberos runtime libraries MIT Kerberos runtime libraries

Introduction

In this tutorial we learn how to install libkrb5-3 on Ubuntu 20.04.

What is libkrb5-3

libkrb5-3 is:

Kerberos is a system for authenticating users and services on a network. Kerberos is a trusted third-party service. That means that there is a third party (the Kerberos server) that is trusted by all the entities on the network (users and services, usually called “principals”).

This is the MIT reference implementation of Kerberos V5.

This package contains the runtime library for the main Kerberos v5 API used by applications and Kerberos clients. Task: standard, ubuntu-core

Package: libkrb5-3 Architecture: amd64 Version: 1.17-6ubuntu4 Multi-Arch: same Priority: standard Section: libs Source: krb5 Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Sam Hartman [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 1121 Depends: libc6 (>= 2.16), libcom-err2 (>= 1.43.9), libk5crypto3 (>= 1.15~beta1), libkeyutils1 (>= 1.5.9), libkrb5support0 (= 1.17-6ubuntu4), libssl1.1 (>= 1.1.0) Recommends: krb5-locales Suggests: krb5-doc, krb5-user Breaks: libsmbclient (<= 2:3.6.1-2), sssd (<= 1.2.1-4.3) Filename: pool/main/k/krb5/libkrb5-3_1.17-6ubuntu4_amd64.deb Size: 329636 MD5sum: b71e186a2f385d82e91a86b7aa5b2f95 SHA1: a421e578ecfa3c12b51341e627a48ee2a546ac77 SHA256: d927fcf5685afca6c200915c3300cde5a6cc0396a59ee7dab278de40da374142 Homepage: http://web.mit.edu/kerberos/ Description-en: MIT Kerberos runtime libraries Kerberos is a system for authenticating users and services on a network. Kerberos is a trusted third-party service. That means that there is a third party (the Kerberos server) that is trusted by all the entities on the network (users and services, usually called “principals”).

This is the MIT reference implementation of Kerberos V5.

This package contains the runtime library for the main Kerberos v5 API used by applications and Kerberos clients. Task: standard, ubuntu-core

There are three methods to install libkrb5-3 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 libkrb5-3 Using apt-get

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

sudo apt-get update

After updating apt database, We can install libkrb5-3 using apt-get by running the following command:

sudo apt-get -y install libkrb5-3

Install libkrb5-3 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libkrb5-3 using apt by running the following command:

sudo apt -y install libkrb5-3

Install libkrb5-3 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 libkrb5-3 using aptitude by running the following command:

sudo aptitude -y install libkrb5-3

How To Uninstall libkrb5-3 on Ubuntu 20.04

To uninstall only the libkrb5-3 package we can use the following command:

sudo apt-get remove libkrb5-3

Uninstall libkrb5-3 And Its Dependencies

To uninstall libkrb5-3 and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove libkrb5-3

Remove libkrb5-3 Configurations and Data

To remove libkrb5-3 configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge libkrb5-3

Remove libkrb5-3 configuration, data, and all of its dependencies

We can use the following command to remove libkrb5-3 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libkrb5-3

References

Summary

In this tutorial we learn how to install libkrb5-3 package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.