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Demystify - Linux GUI

GUI In Linux GUI ( Graphics User Interface ) as everyone know about.  I am writing this article so that we can able to understand how to run GUI apps in containers but we need to understand how it works in linux. Why linux?   Most of the container we use are Linux based inorder run GUI in Linux we need know how it works.. Back in early days computer fill the entire room and if you want to access it you will be presented TTY (TeleType Machine) you can still see this screen if you press CTRL + ALT + F1 in Linux. ( To get back to GUI press CTRL + ALT + F7 ) Linux spin off 8 TTY when it boots ( we can configure more or less ) Graphics in linux is handled by bunch of little programs. They are Display manager Display manger which is the key component for graphics in which mainly graphics servers lie in linux the X.org is the defacto of Display manger. which has two components X Server  X Client Here little twist server talks to the client ( opposite of cli
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Newsboat RSS Reader

Let me tell what is rss reader then i will explain about newsboat,. RSS stands for Rich Site Summary. Simply it is way to subscribe to webpages and when new article is published you can see through the feeds. you get the idea Newsboat is a terminal rss reader which is simple, easy to use and highly customizable how to find rss feed link ?                                   simple trick that i used to find rss feeds in a website check for rss image like above [OR] Right click the website -> view page souce and search for rss copy the link and paste it in urls file in the .config/newsboat/urls (for linux and mac) RSS feeds from twitter: https://twitrss.me/twitter_user_to_rss/?user=<USERNAME> https://www.twitrss.me/twitter_search_to_rss/?term=<SEARCH TERM> example: https://twitrss.me/twitter_user_to_rss/?user=Hytale https://www.twitrss.me/twitter_search_to_rss/?term=Hytale RSS feeds from youtube: https://www.youtube.com/feeds/videos.xml?channel_id
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Phone as Personal Computer

we know smart phone available today can do lot of things, some people say it's a mini computer but few company want to break the boundary to make smart phone as similar to PC In this article we will discuss about possible ways you can make your smart phones,tab into a PC Microsoft : You can able to use surface book which you can use it as both tablet and PC Buy a surface dock (hardware) which enable you to use the surface book as desktop PC. One more thing you can use surface book in four modes     site: https://www.microsoft.com/en-us/surface/devices/surface-book/overview Samsung :               Samsung announced Linux on dex , which let your phone turn into linux PC seems like a magic. All you need to do Install Linux on dex App from https://www.linuxondex.com ( register and you will get a apk file to install in android ). Launch and download ubuntu. After that connect usb c cable to the monitor through any adapters or samsung provide dex pad (which tak
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My First Open Source Contribution

It's my dream to contribute to open source. It is all started in 2 year of college i came to know the linux is so much awesome to work and learn about computer and know about github where you can find the open source software code. I thought, I need to learn more to contribute to the software community later i read lot of article about contributing to opensource. Every article say Learn a programming language you like. Find a project written in programming language you choose. Read it. Use it. Find any bug open a issue. Fix the issue Seems like simple as pie. I thought let's give it a try My scenario I use C to solve program in hackerrank and other coding sites and i know little bit about C++ and java at the time. when i searched for the project, all project are seems to be dinosaur huge, Finally i convinced myself and pick a project. I started reading the source code. It donot understand lot of code and i donot know where to find those answers. then frus
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codefest-ctf-18 writeup

Codefest is online CTF challenge conducted by Hackerrank on August 31 2018 6:00 PM IST to September 1 2018 12:00 PM IST. They have given dozens of challenges.  link: https://www.hackerrank.com/contests/codefest-ctf-18/challenges I manage to complete two challenges in this article i will explain how i solved the two  Typing Master Question If you think you have it in you, connect now to 34.216.132.109 9093 and prove your mettle. You will be presented with a simple typing task which is meant to check your typing speed. For example, Can you type 'Z' 10 times followed by 'u' 6 times, followed by the sum of their ASCII values? ZZZZZZZZZZuuuuuu207 Input Format Regarding input to the server - The question was designed keeping netcat in mind. Some users who are using other tools/language (eg, Python, PuTTY, TELNET) to connect to the server please note that they do not terminate the strings like netcat does. If you choose not to use netcat, t
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Docker

Docker is used to run software packages called "containers". Containers are isolated from each other and bundle their own tools, libraries and configuration files; they can communicate with each other through well-defined channels                                                                                                --Wikipedia  I have already written a article about the containers you can check out in here https://thangaayyanar.blogspot.com/2018/06/containers.html This time, let's learn more about docker engine how we can use this. The important things we need to know in docker are Docker Image:  The container can be created with the help of Image. The Image file consists of code, libraries, environment variables, configuration files  It is like a blueprint, if you know about Object Oriented Programming Language - It is similar to class containers are instance of image you can able find ton of images in dockerhub ( just like github fo
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My favourite subreddits

What is reddit?         It is an American social news aggregation, web content rating, and discussion website. Registered members submit content to the site such as links, text posts, and images, which are then voted up or down by other members.                                                                                                                       -wikipedia What is subreddits?        Reddit entries are organized into user-created areas of interest called "subreddits". List of my favourite subreddits :  r/Android - Android related news  r/archlinux - arch linux user share their Q&A and their tricks to better use arch r/iOSProgramming - User will share their code and talk about open source projects. Developing software for apple ecosystem r/iphone - iPhone lovers discuss anything about iPhone such as new beta version,fine tune ,issues r/LiveOverflow - It is security related youtube channel's subreddit where people discuss about t
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