How To Install freeradius-krb5 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install freeradius-krb5 on Ubuntu 18.04.
What is freeradius-krb5
freeradius-krb5 is:
The FreeRADIUS server can use Kerberos to authenticate users, and this module is necessary for that.
There are three methods to install freeradius-krb5 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 freeradius-krb5 Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install freeradius-krb5 using apt-get by running the following command:
sudo apt-get -y install freeradius-krb5
Install freeradius-krb5 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install freeradius-krb5 using apt by running the following command:
sudo apt -y install freeradius-krb5
Install freeradius-krb5 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 freeradius-krb5 using aptitude by running the following command:
sudo aptitude -y install freeradius-krb5
How To Uninstall freeradius-krb5 on Ubuntu 18.04
To uninstall only the freeradius-krb5 package we can use the following command:
sudo apt-get remove freeradius-krb5
Uninstall freeradius-krb5 And Its Dependencies
To uninstall freeradius-krb5 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove freeradius-krb5
Remove freeradius-krb5 Configurations and Data
To remove freeradius-krb5 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge freeradius-krb5
Remove freeradius-krb5 configuration, data, and all of its dependencies
We can use the following command to remove freeradius-krb5 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge freeradius-krb5
References
Summary
In this tutorial we learn how to install freeradius-krb5 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
