How To Install skydns on Ubuntu 18.04

In this tutorial we learn how to install skydns on Ubuntu 18.04. skydns is DNS service discovery for etcd

Introduction

In this tutorial we learn how to install skydns on Ubuntu 18.04.

What is skydns

skydns is:

SkyDNS is a distributed service for announcement and discovery of services built on top of etcd. It utilizes DNS queries to discover available services. This is done by leveraging SRV records in DNS, with special meaning given to subdomains, priorities and weights.

There are three methods to install skydns 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 skydns Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install skydns using apt-get by running the following command:

sudo apt-get -y install skydns

Install skydns Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install skydns using apt by running the following command:

sudo apt -y install skydns

Install skydns 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 skydns using aptitude by running the following command:

sudo aptitude -y install skydns

How To Uninstall skydns on Ubuntu 18.04

To uninstall only the skydns package we can use the following command:

sudo apt-get remove skydns

Uninstall skydns And Its Dependencies

To uninstall skydns and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove skydns

Remove skydns Configurations and Data

To remove skydns configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge skydns

Remove skydns configuration, data, and all of its dependencies

We can use the following command to remove skydns configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge skydns

References

Summary

In this tutorial we learn how to install skydns package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.