How To Install ros-opencv-apps on Ubuntu 20.04
Introduction
In this tutorial we learn how to install ros-opencv-apps on Ubuntu 20.04.
What is ros-opencv-apps
ros-opencv-apps is:
This package is part of Robot OS (ROS). It contains several ROS packages for working providing OpenCV functionalities in a simplest manner in ROS, i.e., running a launch file that corresponds to the functionality.
The package contains implementations for edge detection, structural analysis, people/face detection, motion analysis and object segmentation.
It contains the nodes and the ROS stuff of the opencv-apps.
There are three methods to install ros-opencv-apps 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 ros-opencv-apps Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ros-opencv-apps using apt-get by running the following command:
sudo apt-get -y install ros-opencv-apps
Install ros-opencv-apps Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ros-opencv-apps using apt by running the following command:
sudo apt -y install ros-opencv-apps
Install ros-opencv-apps 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 ros-opencv-apps using aptitude by running the following command:
sudo aptitude -y install ros-opencv-apps
How To Uninstall ros-opencv-apps on Ubuntu 20.04
To uninstall only the ros-opencv-apps package we can use the following command:
sudo apt-get remove ros-opencv-apps
Uninstall ros-opencv-apps And Its Dependencies
To uninstall ros-opencv-apps and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove ros-opencv-apps
Remove ros-opencv-apps Configurations and Data
To remove ros-opencv-apps configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge ros-opencv-apps
Remove ros-opencv-apps configuration, data, and all of its dependencies
We can use the following command to remove ros-opencv-apps configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ros-opencv-apps
References
Summary
In this tutorial we learn how to install ros-opencv-apps package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
