How To Install libjs-sockjs on Kali Linux

Introduction

In this tutorial we learn how to install libjs-sockjs on Kali Linux.

What is libjs-sockjs

libjs-sockjs is:

SockJS is a browser JavaScript library that provides a WebSocket-like object. SockJS gives you a coherent, cross-browser, Javascript API which creates a low latency, full duplex, cross-domain communication channel between the browser and the web server.

Under the hood SockJS tries to use native WebSockets first. If that fails it can use a variety of browser-specific transport protocols and presents them through WebSocket-like abstractions.

SockJS is intended to work for all modern browsers and in environments which don’t support WebSocket protocol, for example behind restrictive corporate proxies.

There are three methods to install libjs-sockjs on Kali Linux. 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-sockjs 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-sockjs using apt-get by running the following command:

sudo apt-get -y install libjs-sockjs

Install libjs-sockjs Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install libjs-sockjs

Install libjs-sockjs Using aptitude

If you want to follow this method, you might need to install aptitude on Kali Linux first since aptitude is usually not installed by default on Kali Linux. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libjs-sockjs using aptitude by running the following command:

sudo aptitude -y install libjs-sockjs

How To Uninstall libjs-sockjs on Kali Linux

To uninstall only the libjs-sockjs package we can use the following command:

sudo apt-get remove libjs-sockjs

Uninstall libjs-sockjs And Its Dependencies

To uninstall libjs-sockjs and its dependencies that are no longer needed by Kali Linux, we can use the command below:

sudo apt-get -y autoremove libjs-sockjs

Remove libjs-sockjs Configurations and Data

To remove libjs-sockjs configuration and data from Kali Linux we can use the following command:

sudo apt-get -y purge libjs-sockjs

Remove libjs-sockjs configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge libjs-sockjs

Dependencies

libjs-sockjs have the following dependencies:

• libjs-json

References

• libjs-sockjs website

Summary

In this tutorial we learn how to install libjs-sockjs package on Kali Linux using different package management tools: apt, apt-get and aptitude.