How To Install node-when on Ubuntu 18.04
Introduction
In this tutorial we learn how to install node-when on Ubuntu 18.04.
What is node-when
node-when is:
A lightweight Promises/A+ and when() implementation, plus other async tools.
A when() function is responsible of triggering actions depending on the result of executing asynchronous actions, with submethods to check for any or all results, and handling exceptions.
Promises/A+ is a programming interface for asynchronous operations.
Node.js is an event-based server-side JavaScript engine.
There are three methods to install node-when 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 node-when 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-when using apt-get by running the following command:
sudo apt-get -y install node-when
Install node-when Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install node-when using apt by running the following command:
sudo apt -y install node-when
Install node-when 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-when using aptitude by running the following command:
sudo aptitude -y install node-when
How To Uninstall node-when on Ubuntu 18.04
To uninstall only the node-when package we can use the following command:
sudo apt-get remove node-when
Uninstall node-when And Its Dependencies
To uninstall node-when and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove node-when
Remove node-when Configurations and Data
To remove node-when configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge node-when
Remove node-when configuration, data, and all of its dependencies
We can use the following command to remove node-when configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge node-when
References
Summary
In this tutorial we learn how to install node-when package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
