Alex Kuleshov (@0xAX) / X

Alex Kuleshov

8,219 posts

Alex Kuleshov

@0xAX

Software developer. Posting about things that I've met during reading source code of different systems: Author of linux-insides.

Joined October 2012

Pinned
Alex Kuleshov
@0xAX
May 13
I’m considering my next career step and would be happy to hear about interesting remote backend/infra roles. My background is mostly in Elixir/Erlang/OTP, distributed backend systems, Kubernetes, observability, and telecom/AAA platforms. I’m especially interested in technically
5.9K
Alex Kuleshov
@0xAX
Feb 23, 2015
A python proframmer gives java a try #reddit #programming
Alex Kuleshov
@0xAX
Aug 24, 2025
I've updated the first chapter of linux-insides on the Linux kernel booting process to reflect modern 6.16+ kernels -
linux-insides/Booting/linux-bootstrap-1.md at master · 0xAX/linux-insides
From github.com
23K
Alex Kuleshov
@0xAX
Apr 12, 2025
I've reworked/updated the 3rd chapter of set of posts about assembly for Linux x86_64 -
asm/content/asm_3.md at master · 0xAX/asm
From github.com
19K
Alex Kuleshov
@0xAX
Aug 30, 2025
I have reworked the second chapter about the Linux kernel booting process adjusting it to modern versions of kernel -
linux-insides/Booting/linux-bootstrap-2.md at master · 0xAX/linux-insides
From github.com
23K
Alex Kuleshov
@0xAX
Aug 24, 2025
And finished to rework 6th part of posts for learning assembly programming for Linux x86_64 -
asm/content/asm_6.md at master · 0xAX/asm
From github.com
14K
Alex Kuleshov
@0xAX
Jun 1, 2025
I've reworked/updated the 4rd chapter of set of posts about assembly for Linux x86_64 -
asm/content/asm_4.md at master · 0xAX/asm
From github.com
15K
Alex Kuleshov
@0xAX
Jun 21, 2025
I finished to rework 5th part of notes about assembly for Linux x86_64 github.com/0xAX/asm/blob/…, now it has a small example from ffmpeg
asm/content/asm_5.md at master · 0xAX/asm
From github.com
12K
Alex Kuleshov
@0xAX
Apr 6, 2025
Apple’s Darwin OS and XNU Kernel Deep Dive
Apple’s Darwin OS and XNU Kernel | Tanuj Ravi Rao
From tansanrao.com
18K
Alex Kuleshov
@0xAX
Jul 17, 2016
just yet another piece of #linux #kernel code
Alex Kuleshov
@0xAX
Jul 2, 2016
Understanding glibc malloc - sploitfun.wordpress.com/2015/02/10/und… #c #programming #linux
Understanding glibc malloc
From sploitfun.wordpress.com
Alex Kuleshov
@0xAX
Oct 21, 2017
A Survey of CPU Caches - meribold.github.io/2017/10/20/sur…
Alex Kuleshov
@0xAX
Jan 1, 2019
Learning KVM - implement your own Linux kernel - david942j.blogspot.com/2018/10/note-l…
Alex Kuleshov
@0xAX
Feb 13, 2017
A Beginner's Guide to x86 Assembly, Part 1 of 2 - dere.github.io/2017-02-12/beg… #programming