rosparam command not found

In this troubleshooting guide we learn how to fix rosparam command not found error message

Introduction

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

rosparam: command not found

or when using sudo you get the following error message

sudo: rosparam: command not found

Solutions to rosparam: command not found

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

In Ubuntu rosparam is provided by python3-rosparam package.

python3-rosparam is:

This package is part of Robot OS (ROS). rosparam contains the rosparam command-line tool for getting and setting ROS Parameters on the parameter server using YAML-encoded files. It also contains an experimental library for using YAML with the parameter server. 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-rosparam

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

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

sudo apt -y install python3-rosparam

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

sudo aptitude install python3-rosparam

Summary

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