While playing with spectre V2 side channel, I found an issue and LLM helped me to solve it in no time, that would otherwise cost me a lot of sanity. A shared memory between the victim and attacker processes is used as a probe array to explo…
A blunt reference, but I immediately thought about Kaczynski 1 when the idea randomly jumped into my mind. There is no doubt that coding agents lower the gate-keeping bar for making useful programs. They are powerful tools that tremendously…
With massive copy-paste from the Nix Pills. This post is under the same CC-BY-SA-4.0 . (Co-)Authors list. This post is intended to be a quick reference for arch-to-nix beginner (me). I’m learning and playing with nix to decide if I should h…
UNICODE “BOX DRAWING” BLOCK (ALSO IN IBM PC CHARSET). THE MOSTLY SUPPORTED SET 13.0 EXTENSION (LESS SUPPORTED IN FONTS), NOT NECESSARILY MONOSPACE If the system has imcompatible font, the box drawing chars may fail to be monospaced. E.g. th…
The RC 4000 Multiprogramming System is historically notable for being the first attempt to break down an operating system into a group of interacting programs communicating via a message passing kernel. RC 4000 was not widely used, but was
assuming pleroma is installed from source You need to manually migrate the postgresql database when updating the postgres by major version, e.g. from 14.x to 15.y; You don’t have to do this when updating from e.g. 14.x to 14.y Supposing upg…
It has been a long time. But I finally got my sanity back (spelt: thesis handed in). Anyways… So I see people talk on social media : “I want to remove all blank lines form a text document, AI tools {A,B} don’t work, C works, wow amazing, he…
sysrq is a lowlevel keybinding implemented in the kernel to debug the system when it’s not responsive. on archlinux sysrq is disabled by default. via. changing kernel parameters by default the sysrq parameter only allows “sync”. persistent
ANSI escape sequences are a standard for in-band signaling to control cursor location, color, font styling, and other options on video text terminals and terminal emulators. Certain sequences of bytes, most starting with an ASCII escape cha…
repeat after me: T-E-X-T editor! What’s the fucking point of pulling out a CNC machine and call it “a better knife”? vi is a text editor, neovim is a text editor, lunar/astro/nvchad/* is not a fucking text editor. Just be honest with yourse…
This post a about some sh/bash/fish configuration and, how to use fish together with bash. actually it’s linked to bash (or other shells like dash). Note that when bash and dash etc. are invoked with the sh name, the become more POSIX compl…
It’s often brought up that you should avoid mega instances such as mastodon.social and you should use small instances operated by people you trust, or, if possible, single-user instance. While I do agree with that, how does this small-insta…