rosnode command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

rosnode: command not found

or when using sudo you get the following error message

sudo: rosnode: command not found

Solutions to rosnode: command not found

How To Fix rosnode: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu rosnode is provided by python3-rosnode package.

python3-rosnode is:

This package is part of Robot OS (ROS). rosnode is a command-line tool for displaying debug information about ROS Nodes, including publications, subscriptions and connections. It also contains an experimental library for retrieving node information. This library is intended for internal use only.

This package contains the Python 3 library.

To fix this problem, we can install more using the command below.

sudo apt-get -y install python3-rosnode

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install python3-rosnode.

sudo apt -y install python3-rosnode

Or if you have aptitude installed you can use the following command.

sudo aptitude install python3-rosnode

Summary

In this tutorial we learn how to fix rosnode command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.