How to uninstall or remove freeradius-krb5 software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed freeradius-krb5 package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove freeradius-krb5

Uninstall freeradius-krb5 including dependent package

If you would like to remove freeradius-krb5 and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove freeradius-krb5

Use Purging freeradius-krb5

If you use with purge options to freeradius-krb5 package all the configuration and dependent packages will be removed.

$ sudo apt-get purge freeradius-krb5

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove freeradius-krb5