How To Install dnssec-trigger-control on Ubuntu 21.04

In this guide, we’ll discuss How To Install dnssec-trigger-control on Ubuntu 21.04. Also, we will demonstrate how to uninstall and update dnssec-trigger-control.

One-liner install command

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

sudo apt-get update && sudo apt -y install dnssec-trigger

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

What is dnssec-trigger-control 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 dnssec-trigger-control 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 dnssec-trigger-control 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 dnssec-trigger-control using apt by running the following command:

sudo apt -y install dnssec-trigger

Install dnssec-trigger-control using apt

Because dnssec-trigger-control 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 dnssec-trigger-control using apt by running the following command:

sudo apt -y install dnssec-trigger

Install dnssec-trigger-control 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 dnssec-trigger-control by running the following command:

sudo aptitude -y install dnssec-trigger

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

sudo apt-get --only-upgrade install dnssec-trigger

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.

How To Uninstall dnssec-trigger-control from Ubuntu 21.04

To uninstall only the dnssec-trigger-control package you can execute the following command:

sudo apt-get remove dnssec-trigger

Uninstall dnssec-trigger-control and all its dependencies

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

sudo apt-get -y autoremove dnssec-trigger

Remove dnssec-trigger-control with all configurations and data

To remove dnssec-trigger-control configuration and data from your system you can run the following purge command:

sudo apt-get -y purge dnssec-trigger

Remove dnssec-trigger-control completely (configurations, data and all of its dependencies)

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

sudo apt-get -y autoremove --purge dnssec-trigger

Extra info and code examples

Dnssec-trigger reconfigures the local unbound DNS server. This unbound DNS server performs DNSSEC validation, but dnssec-trigger will signal it to use the DHCP obtained forwarders if possible, and fallback to doing its own AUTH queries if that fails, and if that fails prompt the user via dnssec-trigger-applet the option to go with insecure DNS only.

  • Maintainer: unknown
  • Sources url: unknown
  • Section/Category: unknown

Conclusion

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

See also:

How To Install dnssec-trigger-control on CentOS 8

How To Install dnssec-trigger-control on Ubuntu 22.04

How To Install dnssec-trigger-control on Ubuntu 21.04

How To Install dnssec-trigger-control on Debian 11

How To Install dnssec-trigger-control on Fedora 34

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