How To Install dnscrypt-proxy on Ubuntu 18.04
Introduction
In this tutorial we learn how to install dnscrypt-proxy on Ubuntu 18.04.
What is dnscrypt-proxy
dnscrypt-proxy is:
dnscrypt-proxy provides local service which can be used directly as your local resolver or as a DNS forwarder, encrypting and authenticating requests using the DNSCrypt protocol and passing them to an upstream server.
The DNSCrypt protocol uses high-speed high-security elliptic-curve cryptography and is very similar to DNSCurve, but focuses on securing communications between a client and its first-level resolver.
While not providing end-to-end security, it protects the local network, which is often the weakest point of the chain, against man-in-the-middle attacks. It also provides some confidentiality to DNS queries.
There are three methods to install dnscrypt-proxy 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 dnscrypt-proxy Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install dnscrypt-proxy using apt-get by running the following command:
sudo apt-get -y install dnscrypt-proxy
Install dnscrypt-proxy Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install dnscrypt-proxy using apt by running the following command:
sudo apt -y install dnscrypt-proxy
Install dnscrypt-proxy 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 dnscrypt-proxy using aptitude by running the following command:
sudo aptitude -y install dnscrypt-proxy
How To Uninstall dnscrypt-proxy on Ubuntu 18.04
To uninstall only the dnscrypt-proxy package we can use the following command:
sudo apt-get remove dnscrypt-proxy
Uninstall dnscrypt-proxy And Its Dependencies
To uninstall dnscrypt-proxy and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove dnscrypt-proxy
Remove dnscrypt-proxy Configurations and Data
To remove dnscrypt-proxy configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge dnscrypt-proxy
Remove dnscrypt-proxy configuration, data, and all of its dependencies
We can use the following command to remove dnscrypt-proxy configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge dnscrypt-proxy
References
Summary
In this tutorial we learn how to install dnscrypt-proxy package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
