How To Install dnstracer on Ubuntu 20.04
Introduction
In this tutorial we learn how to install dnstracer
on Ubuntu 20.04.
What is dnstracer
dnstracer is:
dnstracer determines where a given Domain Name Server (DNS) gets its information from for a given hostname, and follows the chain of DNS servers back to the authoritative answer.
There are three methods to install dnstracer
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install dnstracer Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install dnstracer
using apt-get
by running the following command:
sudo apt-get -y install dnstracer
Install dnstracer Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install dnstracer
using apt
by running the following command:
sudo apt -y install dnstracer
Install dnstracer 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 dnstracer
using aptitude
by running the following command:
sudo aptitude -y install dnstracer
How To Uninstall dnstracer on Ubuntu 20.04
To uninstall only the dnstracer
package we can use the following command:
sudo apt-get remove dnstracer
Uninstall dnstracer And Its Dependencies
To uninstall dnstracer
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove dnstracer
Remove dnstracer Configurations and Data
To remove dnstracer
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge dnstracer
Remove dnstracer configuration, data, and all of its dependencies
We can use the following command to remove dnstracer
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge dnstracer
References
Summary
In this tutorial we learn how to install dnstracer
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.