How to Install and Configure Bind 9 (DNS Server) on Ubuntu / Debian System

DNS or Domain Name System, as we know is an internet service that is used to translate the user friendly domain into computer friendly IP addresses. Not only can we translate domain names to IP addresses, we can also perform reverse translation i.e. from IP addresses to domain name translations. In this tutorial, we are going to learn to setup a private DNS server by implementing BIND9 on Ubuntu/Debian system.Read More.

How to Install and Use Wireshark on Debian 9 / Ubuntu 16.04 / 17.10

Wireshark is free and open source, cross platform, GUI based Network packet analyzer that is available for Linux, Windows, MacOS, Solaris etc. It captures network packets in real time & presents them in human readable format.

Wireshark can be used for network troubleshooting, analyzing, software & communication protocol development & also for education purposed. Wireshark uses a library called '˜pcap'˜ for capturing the network packets.Read More.

How to find all files with a specific text using Linux shell

This article provides some useful tips on how to find all files within any specific directory or entire file-system containing any specific word or string. Read More.

Hands On Embedded Linux Development Training course

LinuxCertified Inc, a leading provider of Linux training and services, announced its next Hands On Embedded Linux Development class to be held in San Francisco Bay Area from December 6th, 2017.

How To Remove Installed Packages From A Specific Repository In CentOS, Fedora

his is the sequel of our previous article titled 'how to install packages from a specific repository'?. As the name implies, this guide describes how to remove installed packages from a specific repository from command line in Linux operating systems. In GUI mode, we could do this with couple mouse clicks. Since, I always prefer CLI mode, I have given the instructions only for CLI mode. Read More

3 mistakes to avoid when learning to code in Python

It's never easy to admit when you do things wrong, but making errors is part of any learning process, from learning to walk to learning a new programming language, such as Python.

Here's a list of three things I got wrong when I was learning Python, presented so that newer Python programmers can avoid making the same mistakes. These are errors that either I got away with for a long time or that that created big problems that took hours to solve. Read More

9 Linux network command you should know about!!!

In simplest form network is computers connected together. But during connection issues we have to check the fault within network. Hence in this article we will be discussing diagnostic Linux network command that you should know!! Read More

How to Install LAMP on Ubuntu 16.04

LAMP (Linux, Apache, MySQL, PHP) is a combination of open source software, typically installed on a server used for hosting dynamic websites and web applications.

It includes the Linux operating system, the Apache web server, MySQL for data storage and management and PHP for handling the dynamic content.

In this tutorial, we will go through a complete LAMP installation on a Ubuntu 16.04 based VPS. Read More

Linux cksum command explained for beginners (with examples)

There are times when we download a file (say an ISO image) hosted somewhere on the Internet only to find that it's not working as expected (or, at all). There could be multiple reasons behind this, with one among them being file corruption (the file got corrupted during the download process, or the original, hosted file itself was corrupt). But how to confirm that such a corruption has occurred? Read More

Linux clear command tutorial for beginners (3 examples)Sometimes,

Sometimes, while working on the command line, you arrive at a point where there's too much text on the terminal screen, and none of that is relevant to you. So, in order to avoid distraction, you'd want to clear the terminal screen. Those new to the Linux command line may not know that there exists a dedicated command line utility that does this work for you. Read More


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