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Linux

Linux is an open source operating system.
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Raspberry Pi Icon github.com

Learn OS development using the Linux kernel and a Raspberry Pi

This repository contains a step-by-step guide that teaches how to create a simple operating system (OS) kernel from scratch. I call this OS Raspberry Pi OS or just RPi OS. The RPi OS source code is largely based on Linux kernel, but the OS has very limited functionality and supports only Raspberry PI 3. 6 lessons available with 5 more on the roadmap.

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Full text searching your man pages with Elasticsearch

For those coming off the heels of The Changelog #292 where we talked with Philipp Krenn about Elasticsearch, you're gonna wanna play around with full text searching your man pages with Elasticsearch. This post covers: Setup an Elasticsearch instance locally Create an index for the data Feed the index with the man pages of the OS Create a search method for full text searching Full text search the man pages

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The Verge Icon The Verge

Hackers have turned the Nintendo Switch into a functional Linux tablet

Paul Miller: There are two major reasons I can think of to hack a game console. The first one is obvious: so you can play cracked copies of games. That’s why modern consoles are so difficult to hack, because millions of dollars are on the line. But some people just want to run any software they choose on the hardware they own. And for those people, Linux on the Switch is a huge achievement. This hack boasts touchscreen support, a fully operational death star web browser, and a GPU-powered demo app. Sadly, there are no details out on how you can do it yourself, but Twitter user fail0verlow has a nice video of it in action embedded in a tweet.

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Linux Icon jvns.ca

How do you spy on a program running in a container?

Julia Evans: Yesterday I added Linux container support to rbspy, so that an instance of rbspy running on the host machine can profile Ruby programs running in containers... I thought it would be fun to explain what adding “container support” involves in practice! (rbspy is her sampling profiler for Ruby.) This bit is interesting, and why this post isn't tagged with the Docker topic: We didn’t need to care about Docker or anything like that – it’s irrelevant what container runtime our containers are using, and we certainly don’t interact with Docker at all. I guess a few simple syscalls is all it takes!

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