How To Install opendnssec on Ubuntu 18.04
Introduction
In this tutorial we learn how to install opendnssec on Ubuntu 18.04.
What is opendnssec
opendnssec is:
OpenDNSSEC is a complete DNSSEC zone signing system which is very easy to use with stability and security in mind. There are a lot of details in signing zone files with DNSSEC and OpenDNSSEC covers most of it.
This meta-package depends on the standard distribution of OpenDNSSEC.
There are three methods to install opendnssec 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 opendnssec Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install opendnssec using apt-get by running the following command:
sudo apt-get -y install opendnssec
Install opendnssec Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install opendnssec using apt by running the following command:
sudo apt -y install opendnssec
Install opendnssec 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 opendnssec using aptitude by running the following command:
sudo aptitude -y install opendnssec
How To Uninstall opendnssec on Ubuntu 18.04
To uninstall only the opendnssec package we can use the following command:
sudo apt-get remove opendnssec
Uninstall opendnssec And Its Dependencies
To uninstall opendnssec and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove opendnssec
Remove opendnssec Configurations and Data
To remove opendnssec configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge opendnssec
Remove opendnssec configuration, data, and all of its dependencies
We can use the following command to remove opendnssec configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge opendnssec
References
Summary
In this tutorial we learn how to install opendnssec package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
