How To Install krb5-admin-server on Ubuntu 18.04
Introduction
In this tutorial we learn how to install krb5-admin-server on Ubuntu 18.04.
What is krb5-admin-server
krb5-admin-server 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 Kerberos master server (kadmind), which handles account creations and deletions, password changes, and other administrative commands via the Kerberos admin protocol. It also contains the command used by the master KDC to propagate its database to slave KDCs. This package is generally only used on the master KDC for a Kerberos realm.
There are three methods to install krb5-admin-server 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 krb5-admin-server Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install krb5-admin-server using apt-get by running the following command:
sudo apt-get -y install krb5-admin-server
Install krb5-admin-server Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install krb5-admin-server using apt by running the following command:
sudo apt -y install krb5-admin-server
Install krb5-admin-server 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 krb5-admin-server using aptitude by running the following command:
sudo aptitude -y install krb5-admin-server
How To Uninstall krb5-admin-server on Ubuntu 18.04
To uninstall only the krb5-admin-server package we can use the following command:
sudo apt-get remove krb5-admin-server
Uninstall krb5-admin-server And Its Dependencies
To uninstall krb5-admin-server and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove krb5-admin-server
Remove krb5-admin-server Configurations and Data
To remove krb5-admin-server configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge krb5-admin-server
Remove krb5-admin-server configuration, data, and all of its dependencies
We can use the following command to remove krb5-admin-server configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge krb5-admin-server
References
Summary
In this tutorial we learn how to install krb5-admin-server package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
