How To Install node-opencv on Ubuntu 20.04
Introduction
In this tutorial we learn how to install node-opencv
on Ubuntu 20.04.
What is node-opencv
node-opencv is:
OpenCV is the defacto computer vision library - by interfacing with it natively in node, it gives powerful real time vision in js.
People are using node-opencv to fly control quadrocoptors, detect faces from webcam images and annotate video streams.
Node.js is an event-based server-side JavaScript engine.
There are three methods to install node-opencv
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 node-opencv Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install node-opencv
using apt-get
by running the following command:
sudo apt-get -y install node-opencv
Install node-opencv Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install node-opencv
using apt
by running the following command:
sudo apt -y install node-opencv
Install node-opencv 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 node-opencv
using aptitude
by running the following command:
sudo aptitude -y install node-opencv
How To Uninstall node-opencv on Ubuntu 20.04
To uninstall only the node-opencv
package we can use the following command:
sudo apt-get remove node-opencv
Uninstall node-opencv And Its Dependencies
To uninstall node-opencv
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove node-opencv
Remove node-opencv Configurations and Data
To remove node-opencv
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge node-opencv
Remove node-opencv configuration, data, and all of its dependencies
We can use the following command to remove node-opencv
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge node-opencv
References
Summary
In this tutorial we learn how to install node-opencv
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.