How To Install consul on Ubuntu 20.04

In this tutorial we learn how to install consul on Ubuntu 20.04. consul is tool for service discovery, monitoring and configuration

Introduction

In this tutorial we learn how to install consul on Ubuntu 20.04.

What is consul

consul is:

Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.

Consul provides several key features:

  • Service Discovery - Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. External services such as SaaS providers can be registered as well.

  • Health Checking - Health Checking enables Consul to quickly alert operators about any issues in a cluster. The integration with service discovery prevents routing traffic to unhealthy hosts and enables service level circuit breakers.

  • Key/Value Storage - A flexible key/value store enables storing dynamic configuration, feature flagging, coordination, leader election and more. The simple HTTP API makes it easy to use anywhere.

  • Multi-Datacenter - Consul is built to be datacenter aware, and can support any number of regions without complex configuration.

Consul runs on Linux, Mac OS X, and Windows. It is recommended to run the Consul servers only on Linux, however.

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

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

sudo apt-get update

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

sudo apt-get -y install consul

Install consul Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install consul

Install consul 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 consul using aptitude by running the following command:

sudo aptitude -y install consul

How To Uninstall consul on Ubuntu 20.04

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

sudo apt-get remove consul

Uninstall consul And Its Dependencies

To uninstall consul and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove consul

Remove consul Configurations and Data

To remove consul configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge consul

Remove consul configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge consul

References

Summary

In this tutorial we learn how to install consul package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.