How To Install rbldnsd on Ubuntu 21.04

One-liner install command

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

sudo apt-get update && sudo apt -y install rbldnsd

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

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

Before beginning this tutorial, you will need access to a server or computer running Ubuntu 21.04. This guide was written specifically with a server running Ubuntu 21.04 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 rbldnsd on Ubuntu 21.04. 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 rbldnsd 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 rbldnsd using apt by running the following command:

sudo apt -y install rbldnsd

Install rbldnsd using apt

Because rbldnsd is available in Ubuntu 21.04’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 rbldnsd using apt by running the following command:

sudo apt -y install rbldnsd

Install rbldnsd 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 21.04. Update apt database with aptitude using the following command.

sudo aptitude update

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

sudo aptitude -y install rbldnsd

How to upgrade (update) a single package rbldnsd 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 rbldnsd, e.g. single package, you should use the following format with the apt-get command/apt command:

sudo apt-get --only-upgrade install rbldnsd

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 rbldnsd

How To Uninstall rbldnsd from Ubuntu 21.04

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

sudo apt-get remove rbldnsd

Uninstall rbldnsd and all its dependencies

To uninstall rbldnsd and its dependencies that are no longer needed by Ubuntu 21.04, you can use the command below:

sudo apt-get -y autoremove rbldnsd

Remove rbldnsd with all configurations and data

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

sudo apt-get -y purge rbldnsd

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

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

sudo apt-get -y autoremove --purge rbldnsd

Extra info and code examples

rbldnsd is a small authoritative-only DNS nameserver designed to serve DNS-based blocklists (DNSBLs). It may handle IP-based and name-based blocklists.

Conclusion

You now have a full guide on how to install rbldnsd using apt, apt-get and aptitude tools. Also, we showed how to update as a single package and different ways to uninstall the rbldnsd from Ubuntu 21.04.

See also: