Installing CentOS 7.2 on IBM Power System S822LC for high-performance computing (HPC) with a USB device

f you are installing Linux on your IBM® Power® System S822LC server, then the instructions in this article can help you to start and run your system. These instructions are specific to installing CentOS 7 on an IBM Power System S822LC server for high-performance computing (HPC). Read More

How to install EC2 Linux server in AWS with screenshots

Amazon Web Services AWS is one of the cloud platform which offers various computing facilities online. For a free tier account there is enough services offered for normal user who aims for testing or learning new technologies without spending much. You can sign up for free account (12 months free) here which will require your valid mobile number and credit card information for validation.. Learn More

An introduction to the Linux boot and startup processes

Understanding the Linux boot and startup processes is important to being able to both configure Linux and to resolving startup issues. This article presents an overview of the bootup sequence using the GRUB2 bootloader and the startup sequence as performed by the systemd initialization system.

In reality, there are two sequences of events that are required to boot a Linux computer and make it usable: boot and startup. The boot sequence starts when the computer is turned on, and is completed when the kernel is initialized and systemd is launched. The startup process then takes over and finishes the task of getting the Linux computer into an operational state.... Learn More

Best Linux Password Managers

How do you keep track of ton of user accounts and passwords in this online age. I hope you do not use one password for all your online accounts as that is not safe. You need to come up with the unique and secure passwords for all your online services and accounts. So how do you manage or keep track of these passwords. In your memory? Come on! I recommend you use a password manager.... Read More

Saving laptop power with powertop

If there’s one thing you want from a laptop, it’s long battery life. You want every drop of power you can get to work, read, or just be entertained on a long jaunt. So it’s good to know where your power is going.

You can use the powertop utility to see what’s drawing power when your system’s not plugged in. This utility only runs on the Terminal, so you’ll need to open a Terminal to get it. Then run this command: Read More

Tips to improve Ubuntu Speed

Chances are that your Ubuntu desktop will run so smooth. You will wonder why you did not switch from those other slow loading desktop operating systems (looking at you Windows). Ubuntu runs smoothly on most modern machines and older machines using variants such as Lubuntu, Xubuntu and Ubuntu MATE are going to be impressive as well. Very few times, your experience can get poorer on your Ubuntu desktop. On the off chance that your Ubuntu PC is not running as smoothly as you would like, there are a few things you could do to improve your system performance and response. Read More

MASTER C++ PROGRAMMING WITH OPEN-SOURCE BOOKS

Books are very personal and subjective possessions. And programming books are no exception. But regardless of their style, focus, or pace, good C++ programming books take the reader on a compelling journey, opening eyes to the capabilities of the language, and showing how it can be used to build just about anything. Read More

I love Free Software Day 2017

We should not underestimate the power of a simple "thank you" to motivate Free Software contributors in their important work for society. The 14th of February (a Tuesday this year) is the ideal day to do that. Love More

Top 7 Tools that can automate Linux Admin Task

Here are some of the tools that can make life easier for the Linux admins by automating his day to day tasks.. Read More

An Everyday Linux User Review Of OpenSUSE Leap 42

There are 2 versions of openSUSE available via their website:
Leap
Tumbleweed
The Tumbleweed version is a rolling release distribution whereas the Leap version follows a frequent 6 monthly release schedule. Read More