How To Install connman on Ubuntu 20.04

In this tutorial we learn how to install connman on Ubuntu 20.04. connman is Intel Connection Manager daemon

Introduction

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

What is connman

connman is:

The Linux Connection Manager project provides a daemon for managing Internet connections within embedded devices running the Linux operating system. The Connection Manager is designed to be slim and to use as few resources as possible. It is fully modular system that can be extended through plug-ins. The plug-in approach allows for easy adaption and modification for various use cases.

ConnMan provies IPv4 and IPv6 connectivity via:

  • ethernet
  • WiFi, using wpasupplicant
  • Cellular, using oFono
  • Bluetooth, using bluez

ConnMan implements DNS resolving and caching, DHCP clients for both IPv4 and IPv6, link-local IPv4 address handling and tethering (IP connection sharing) to clients via USB, ethernet, WiFi, cellular and Bluetooth.

This package contains the connman daemon and its plugins.

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

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

sudo apt-get update

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

sudo apt-get -y install connman

Install connman Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install connman

Install connman 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 connman using aptitude by running the following command:

sudo aptitude -y install connman

How To Uninstall connman on Ubuntu 20.04

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

sudo apt-get remove connman

Uninstall connman And Its Dependencies

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

sudo apt-get -y autoremove connman

Remove connman Configurations and Data

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

sudo apt-get -y purge connman

Remove connman configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge connman

References

Summary

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