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Install and Use NVM on Debian 11

This article covers the basic nvm commands that you can use to install and manage multiple versions of Node.JS. In fact, Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.


You can use the following command to list installed version's of Node for the current user:

$ nvm ls 

With this command you can find available Node.js version for the installation:

$ nvm ls-remote 

To find the default Node version set for the current user, run the command:

$ nvm run default --version 

Methods to Install OpenBoard on Linux Mint 20

This article covers how to Install OpenBoard on a Linux Mint 20 system. In fact, OpenBoard is an open source cross-platform teaching software for interactive whiteboard designed primarily for use in schools and universities. It can be used both with interactive whiteboards or in a dual-screen setup with a pen-tablet display and a beamer.

Install Ntopng on Ubuntu 20.04 LTS

This article covers how to install ntopng on Ubuntu OS and access its web interface. In fact, Ntopng is an essential application for monitoring and troubleshooting network problems.


More about Ntopng

Ntopng basically is a network traffic probe that will monitor network usage. It is based on libpcap, a Library written as part of a larger program called TCPDump. Ntopng is based on Redis key value server rather than traditional database, leverages nDPI for protocol discovery, supports host geolocation, and can display real-time flow analysis for connected hosts.


Main Features of Ntopng:

  • Packet capture → Packet capture / transmission using basic hardware with PF_RING. Zero-copy package distribution across threads, applications, and virtual machines. Includes Libpcap support for seamless integration with legacy applications.
  • Traffic recording → Lossless network traffic recording of 10 Gbit and above with n2disk. Industry standard PCAP file format. It allows to quickly retrieve packages using BPF. Accurate traffic reproduction with disk2n.
  • Network probe → nProbe- NetFlow v5 / v9 / IPFIX extensible probe with plug-in support for L7 content inspection.
  • Report on the use of the IP protocol → Even going so far as to classify it by type of protocol.
  • Traffic analysis → High speed web based traffic analysis and flow collection using ntopng. Persistent traffic statistics in RRD format. Layer 7 analysis leveraging nDPI, an open source DPI framework. Even going so far as to classify the traffic according to the source / destination.
  • Geolocate and Overlay Hosts → This will be done on a geographic map.
  • Alert engine → We can capture anomalous and suspicious hosts.
  • Produce network traffic statistics → Using HTML5 / AJAX technology.
  • We will have full support for current network protocols → Including IPv4 and IPv6.

Install Brave Browser on Debian 11 bullseye

This article covers How to Install Brave Browser on Debian 11. In fact, Brave is an open-source privacy-focused Internet web browser, which distinguishes itself from other browsers by automatically blocking online advertisements and website trackers in its default settings. 

Install Anaconda on CentOS 8

This article covers how you install Anaconda on your CentOS system. In fact, Anaconda manages many pre installed packages and that packages are helpful for data science, Machine Learning and Artificial intelligence applications. Once installed on your system, you can now start building your machine learning projects.

Install LAMP Server on Debian 11

This article covers a step-by-step procedure of how you can install LAMP stack on the Debian 11 Bullseye server. In fact, LAMP is a popular opensource stack that stands for Linux Apache MySQL/MariaDB and PHP. It’s mostly used by front-end and back-end developers to test and host a website. The stack comprises of 3 components. First, we have  Apache, which is a web server. Then we have Mariadb, which is a fork of MySQL and PHP which is a server-side scripting language. All the components are absolutely free and opensource.


How to Install Apache webserver on your Linux system ?

1. To get started, log into your server instance and update the package lists with the below command:

$ sudo apt update

2. Once your packages are up to date, install the Apache webserver with the below command:

$ sudo apt install apache2 apache2-utils

3. Once installed, verify the status of apache to see if it is running, by executing the command:

$ sudo systemctl status apache2

4. If apache is not running, you can start and enable it on boot using the commands:

$ sudo systemctl start apache2
$ sudo systemctl enable apache2

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