Programming Videos

Tux 🐧🐧🐧

Feb 10

Openwest 2015 - Erik Falor - "From Vim Muggle to Wizard in 10 Easy Steps" (8)

Vi is more than just a text editor; it has become a way of life for power users who can get more done than their peers who use traditional pointy-clicky editors. In this talk you will uncover an unseen world inhabited by Wizards who effortlessly modify their text using powerful commands built upon surprisingly simple concepts. It is my goal is to invite you into this world and to arm you with 10

https://youtu.be/MquaityA1SM

@root shared their post

Root in @serenity

Feb 2

OS hacking: System call origin verification (à la OpenBSD)

The LWN article: https://lwn.net/Articles/806776/ SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling Ser

https://youtu.be/CMo48OCkEbc

@root shared their post

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Jan 28

OS hacking: Address Space Layout Randomization (ASLR) for shared libraries

After a week of writing exploits for SerenityOS, let's start implementing some security mitigations that will make future exploitation harder! :^) SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me

https://youtu.be/BL0PekL_OAo

@root shared their post

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Jan 26

OS haxx0ring: Local root exploit via partial munmap() kernel flaw

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://www.youtube.com/watch?v=gt6-TC6FtMs

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@UndergroundMan shared a post by @root

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Jan 21

OS haxx0ring: Let's write a local root exploit for a bug in "passwd" (and then fix the bug!)

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://youtu.be/UuSH4qMNaYo

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John Titor

Jan 18

Compiler Podcast - The Race to Replace C and C++

Three expert compiler writers sit down to discuss moving beyond C and C++. [Editor Note] There are occasional Discord beeps when the Odin author speaks, for

https://vimeo.com/484681201

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@root shared their post

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Jan 15

OS hacking: Anonymous Files & Window Bitmaps

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://youtu.be/xV2XOEmD--I

Tux 🐧🐧🐧

Jan 10

Next-gen Haskell Compilation Techniques with Csaba Hruska

In the Haskell community, it is relatively well known how GHC compiles Haskell source code to machine code. The architecture of GHC is the result of 30 years of gradual development effort. But computing technology has changed a lot during this time. New ideas and compilation techniques have appeared on the scene that used to be infeasible either due to the lack of theoretical foundations or for mo

https://www.youtube.com/watch?v=jyaR8E325ok

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@root shared their post

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Jan 9

OS hacking: Let's improve system password security

Today we improve password security in SerenityOS with /etc/shadow and increased sandboxing of the "passwd" and "su" programs. SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://p

https://youtu.be/bmSp0aLTSxg

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@root shared their post

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Jan 8

OS hacking: Drag & drop files on FileManager's breadcrumb bar

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://youtu.be/dc726k_my2c

@hagbard shared a post by @root

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Jan 6

Browser hacking: Let's build a simple ad blocker

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://youtu.be/Jc22wPqpaBQ

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@root shared their post

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Dec 30, 2020

OS hacking: Let's make a graphical font picker dialog

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://youtu.be/Fa9SwYfH2NI

Hagbard

Dec 30, 2020

Of semicolons and statements

Code: https://github.com/contextfreecode/semi Thanks much to CS/Math student and programming languages enthusiast Marcin Wojnarowski for hi and bye in Polish! - https://github.com/shilangyu 0:00 Intro 0:39 C++ (cpp) 3:13 Pascal 5:28 TypeScript 8:02 Python 9:09 Go 10:39 Rust 13:13 OCaml 15:45 Clojure 17:08 Octave

https://youtu.be/c_cdmmTmS1U

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rat

Dec 26, 2020

Data records in OOP land

Thanks much to Lesley Lai (CS/Math student, SketchUp intern, and computer graphics and C++ enthusiast) for hi and bye in Chinese! - https://lesleylai.info/ - https://twitter.com/LesleyLai6 Code: https://github.com/contextfreecode/records 0:00 Intro 0:42 C# (C Sharp) 9:11 Java 10:56 Python 14:14 Rust 16:06 JS

https://youtu.be/jkZGpKVYEyI

Hagbard

Dec 26, 2020

Theory of Computation #56: Derivative of a Regex?! (Brzozowski Derivative) - Easy Theory

Here we introduce the idea of a "derivative" of a regular expression (regex). The idea is to "divide" out the string that you're using out of the strings that are generated by the regex. We give a definition of what a derivative of a language is, and prove that the properties hold when considering a regex. The purpose of these derivatives (called "Brzozowski Derivatives") is that one can determine

https://www.youtube.com/watch?v=s9EPoy9r-ok

rat

Dec 25, 2020

Making an OS - Update, Resources, Future of the Series

Here is a short update of the project and series. Personal GitHub: https://github.com/mello-pax/MellOs

https://youtu.be/pXrvCwqqI3E

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Dec 25, 2020

OS hacking: Hardening /proc/PID and core dumps with "dumpable" process flag

SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awesomekling SerenityOS is a Unix-like operating system that I'm im

https://www.youtube.com/watch?v=zUVJ3zmXrIU

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Root

Dec 25, 2020

Demo Zoo: Zero Cost Abstractions in C++20, Rust, & Zig

Well, they aren't quite zero, but modern compilers for efficient languages do pretty well in this demo of abstract vector norm calculations in C++, Rust, & Zig. Links: https://godbolt.org/ https://boats.gitlab.io/blog/post/zero-cost-abstractions/ https://www.mathsisfun.com/geometry/pythagoras-3d.html https://docs.rs/num/0.2.1/num/ https://github.com/ziglang/zig/issues/1669

https://youtu.be/43X9ia-qpds

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@root shared their post

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Dec 22, 2020

SerenityOS exploit analysis: HXP CTF 2020 #2 (ALLES! CTF team entry)

ALLES! exploit write-up: https://github.com/allesctf/writeups/blob/master/2020/hxpctf/wisdom2/writeup.md SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos

https://youtu.be/T_Uf2wkaMKY

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Root in @serenity

Dec 20, 2020

SerenityOS exploit analysis: HXP CTF 2020 #1 (and let's fix it too!)

hxp CTF 2020: wisdom2: https://hxp.io/blog/79/hxp-CTF-2020-wisdom2/ SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me

https://youtu.be/LORxdO1XUjY

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Root

Dec 20, 2020

Happy to see Serenity/Andreas featured in another podcast!

CppCast Episode 278: SerenityOS with Andrea Kling

Rob and Jason are joined by Andreas Kling. They first talk about the Qt 6.0 Release as well as another new C++ podcast that has been announced. They then talk to Andreas Kling about SerenityOS, the C++ Operating System he is building along with others in the Open Source community. Full show notes at: https://cppcast.com/serenity-os/ Andreas Kling's Channel: https://www.youtube.com/andreasklin

https://youtu.be/SRq9HSGn2qE

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Dec 16, 2020

OS hacking: Improving symlink and app icons in the file manager

There's a bit of noise in the audio today, sorry about that! :( SerenityOS is open source on GitHub: https://github.com/SerenityOS/serenity Merch: https://teespring.com/stores/serenityos Follow me on Twitter: https://twitter.com/awesomekling Sponsor me on GitHub: https://github.com/sponsors/awesomekling Support me on Patreon: https://patreon.com/serenityos Donate via Paypal: https://paypal.me/awe

https://youtu.be/UmF0Y33mSCo

Hagbard

Dec 10, 2020

Advanced 6502 Assembly Programming for the Apple II

The first half contains a detailed description of the 6502 instruction set; the second half is a tutorial on writing graphical programs for the Apple II. Production credits: OpenShot 2.5.1 .............. Video editing and smooth animation Audacity ............ Audio editing LaTeX with beamer and tikz ............. Technical drawings and coarse animation ImageMagick ........... Rasterizing PDF ima

https://www.youtube.com/watch?v=WEliEAc3ZyA

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