How To Install dnss on Debian 9
Introduction
In this tutorial we learn how to install dnss on Debian 9.
What is dnss
dnss is:
dnss is a daemon for encapsulating DNS over more secure protocols, like HTTPS or GRPC.
In HTTPS mode, it can act as a DNS-over-HTTPS proxy, using https://dns.google.com (or any other with the same API) as a server.
For GRPC, it can act as a proxy that listens to DNS requests and pass them on to a server using GRPC, and also as a GRPC server which resolves the queries using a normal, fixed DNS server.
There are three methods to install dnss on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install dnss Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install dnss using apt-get by running the following command:
sudo apt-get -y install dnss
Install dnss Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install dnss using apt by running the following command:
sudo apt -y install dnss
Install dnss 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install dnss using aptitude by running the following command:
sudo aptitude -y install dnss
How To Uninstall dnss on Debian 9
To uninstall only the dnss package we can use the following command:
sudo apt-get remove dnss
Uninstall dnss And Its Dependencies
To uninstall dnss and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove dnss
Remove dnss Configurations and Data
To remove dnss configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge dnss
Remove dnss configuration, data, and all of its dependencies
We can use the following command to remove dnss configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge dnss
Dependencies
dnss have the following dependencies:
References
Summary
In this tutorial we learn how to install dnss package on Debian 9 using different package management tools: apt, apt-get and aptitude.