How To Install kdb5_ldap_util on Ubuntu 22.04

One-liner install command

For those in a hurry, here's a one-line installation command:

sudo apt-get update && sudo apt -y install krb5-kdc-ldap

But if you are interested in the detailed steps with descriptions, the following information is for you.

What is kdb5_ldap_util and what are the ways to install it?

Before beginning this tutorial, you will need access to a server or computer running Ubuntu 22.04. This guide was written specifically with a server running Ubuntu 22.04 in mind, although it should also work on older, supported versions of the operating system.

Also, make sure you are running a regular, non-root user with sudo privileges configured on your server. When you have an account available, log in as your non-root user to begin.

There are several ways to install kdb5_ldap_util on Ubuntu 22.04. You can use (links are clickable):

In the following sections, we will describe each method in detail. You can choose one of them or refer to the recommended one.

Install kdb5_ldap_util using apt-get

First, update apt database with apt-get using the following command.

sudo apt-get update

After updating apt-get database, You can install kdb5_ldap_util using apt by running the following command:

sudo apt -y install krb5-kdc-ldap

Install kdb5_ldap_util using apt

Because kdb5_ldap_util is available in Ubuntu 22.04’s default repositories, it is possible to install it from these repositories using the apt packaging system.

To begin, update apt database with apt using the following command.

sudo apt update

After updating apt database, You can install kdb5_ldap_util using apt by running the following command:

sudo apt -y install krb5-kdc-ldap

Install kdb5_ldap_util 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 22.04. Update apt database with aptitude using the following command.

sudo aptitude update

After updating aptitude database, You can install kdb5_ldap_util by running the following command:

sudo aptitude -y install krb5-kdc-ldap

How to upgrade (update) a single package kdb5_ldap_util using apt-get?

First, you will need to update packages index. Run update command as usual:

sudo apt-get update

Next, to upgrade only the kdb5_ldap_util, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install krb5-kdc-ldap

Note that this command will not install any new packages! If you wish to install the package if it doesn't exist you may leave out --only-upgrade part.

sudo apt-get install krb5-kdc-ldap

How To Uninstall kdb5_ldap_util from Ubuntu 22.04

To uninstall only the kdb5_ldap_util package you can execute the following command:

sudo apt-get remove krb5-kdc-ldap

Uninstall kdb5_ldap_util and all its dependencies

To uninstall kdb5_ldap_util and its dependencies that are no longer needed by Ubuntu 22.04, you can use the command below:

sudo apt-get -y autoremove krb5-kdc-ldap

Remove kdb5_ldap_util with all configurations and data

To remove kdb5_ldap_util configuration and data from your system you can run the following purge command:

sudo apt-get -y purge krb5-kdc-ldap

Remove kdb5_ldap_util completely (configurations, data and all of its dependencies)

And lastly, you can run the next command to remove absolutely everything related to kdb5_ldap_util package, e.g.: configurations, data and all of its dependencies. Just use this command:

sudo apt-get -y autoremove --purge krb5-kdc-ldap

Extra info and code examples

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 LDAP plugin for the Kerberos key server (KDC) and supporting utilities. This plugin allows the KDC data to be stored in an LDAP server rather than the default local database. It should be installed on both master and slave KDCs that use LDAP as a storage backend.

Conclusion

You now have a full guide on how to install kdb5_ldap_util using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the kdb5_ldap_util from Ubuntu 22.04.

See also: