How To Install libjs-q on Debian 9
Introduction
In this tutorial we learn how to install libjs-q on Debian 9.
What is libjs-q
libjs-q is:
Q is a tool for creating and composing asynchronous promises in JavaScript.
If a function cannot return a value or throw an exception without blocking, it can return a promise instead. A promise is an object that represents the return value or the thrown exception that the function may eventually provide. A promise can also be used as a proxy for a remote object to overcome latency.
This package contains the q.js JavaScript library.
There are three methods to install libjs-q on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libjs-q Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libjs-q using apt-get by running the following command:
sudo apt-get -y install libjs-q
Install libjs-q Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libjs-q using apt by running the following command:
sudo apt -y install libjs-q
Install libjs-q 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install libjs-q using aptitude by running the following command:
sudo aptitude -y install libjs-q
How To Uninstall libjs-q on Debian 9
To uninstall only the libjs-q package we can use the following command:
sudo apt-get remove libjs-q
Uninstall libjs-q And Its Dependencies
To uninstall libjs-q and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove libjs-q
Remove libjs-q Configurations and Data
To remove libjs-q configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge libjs-q
Remove libjs-q configuration, data, and all of its dependencies
We can use the following command to remove libjs-q configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libjs-q
Dependencies
libjs-q have the following dependencies:
References
Summary
In this tutorial we learn how to install libjs-q package on Debian 9 using different package management tools: apt, apt-get and aptitude.