How To Install rosout on Ubuntu 18.04

In this tutorial we learn how to install rosout on Ubuntu 18.04. rosout is Robot OS system-wide logging mechanism

Introduction

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

What is `rosout`

rosout is:

This package is part of Robot OS (ROS). rosout is the name of the console log reporting mechanism in ROS. It can be thought of as comprising several components:

The rosout node for subscribing, logging, and republishing the messages.
The /rosout topic
The /rosout_agg topic for subscribing to an aggregated feed

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

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

sudo apt-get update

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

sudo apt-get -y install rosout

Install rosout Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install rosout

Install rosout 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 rosout using aptitude by running the following command:

sudo aptitude -y install rosout

How To Uninstall rosout on Ubuntu 18.04

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

sudo apt-get remove rosout

Uninstall rosout And Its Dependencies

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

sudo apt-get -y autoremove rosout

Remove rosout Configurations and Data

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

sudo apt-get -y purge rosout

Remove rosout configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge rosout

References

Summary

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