Linux | Cloud | DevOps | Scripting

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Tuesday, 12 August 2014

About this blog

Hello Everyone!

My name is Divakar Rastogi. I am RHCE certified Linux system Administrator having more than five years of experience in Linux along with more than nine years of total experience. I also have experience in Cloud (AWS & GCP) and hands-on with some DevOps tools. I have state-of-the-art familiarity with computers. In academic I have completed MCA and BCA.

In this blog, these all are the notes which I used to learn. I created this blog to collect my notes in one place. But now I am sharing these with all of you. These notes can help you to clear practicals and interviews. We can get a big amount of theory part on the Internet but if we want some practical knowledge, max of the time we need to pay some amount for good notes. But in this blog, there is no need to pay any amount. You just follow the instructions and do practicals. Sometimes, there could be versions issue, but if we are on the same platform, definitely you will get the desired result.

If we talk about Linux, Linux is a Unix-like and mostly POSIX-compliant computer operating system assembled under the model of free and open-source software development and distribution. The defining component of Linux is the Linux kernel, an operating system kernel first released on 5 October 1991 by Linus Torvalds. The Free Software Foundation uses the name GNU/Linux, which has led to some controversy.

Linux was originally developed as a free operating system for Intel x86-based personal computers. It has since been ported to more computer hardware platforms than any other operating system. It is a leading operating system on servers and other big iron systems such as mainframe computers and supercomputers. As of June 2013, more than 95% of the world's 500 fastest supercomputers run some variant of Linux, including all the 44 fastest. Linux also runs on embedded systems, which are devices whose operating system is typically built into the firmware and is highly tailored to the system; this includes mobile phones, tablet computers, network routers, facility automation controls, televisions and video game consoles. Android, which is a widely used operating system for mobile devices, is built on top of the Linux kernel.


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