The latest blog posts to take off on Hacker News. 582 posts.
The leap second concept was first introduced in 1972 by the International Earth Rotation and Reference Systems Service (IERS) in an attempt to periodically update Coordinated Universal Time (UTC) d…
In order to effectively write applications that communicate via sockets, there were some realizations I needed to make that weren't explicitly told to me by any of the documentation I read.
Link to: https://wormsandviruses.com/2022/07/a-burger-without-heinz/
Date: 2022-07-23 Git: https://gitlab.com/mort96/blog/blob/published/content/00000-home/00014-tar.md
We live in an age of rapid innovation; Every year, there is a new iPhone, three new crypto currencies, five new AWS services, and a hundred new JavaScript frameworks. We have been conditioned to expect new shiny things, to the point where many people equate “new” with “better” .
By the metric of
Comparing performances I decided to compare the performances of the OpenSource Linux Userspace Emulator that allows you to run x86/x86_64 apps on ARM linux. There are QEMU-user, FEX-emu and Box86/Box64. How to bench Linux userspace emulator Test will consist of the bench I already used a couple of time, and that can…
Porting Linux to Apple Silicon
This release should put us at about half way through the planned work for the networking focus set of releases (0.6.x), a scope roughly defined by the article on A12: Advancing network transparency…
This post describes the implementation and use of pledge() and unveil() in SerenityOS.
In this excerpt of a Trend Micro Vulnerability Research Service vulnerability report, Guy Lederfein and Quintin Crist of the Trend Micro Research Team detail a recently patched remote code execution vulnerability in the Microsoft Windows operating system, originally discovered and reported by Yuki C
Continuous aggregates are one of Timescale's most popular features, but you can’t fully understand them without some context on Postgres views and materialized.
As part of my new job, I'm learning a lot more about the mysteries of the Domain Name System than any mortal should know I thought possible. The humble unix dig command allows you to query all sort of DNS information. For example, to see name server records for the BBC website, you can run: dig bbc.co.uk NS Which will…
This week at USENIX ATC’22, a group of my colleagues 1 from the AWS DynamoDB team are going to be presenting their paper Amazon DynamoDB: A Scalable, Predictably Performant, and Fully Managed NoSQL Database Service . This paper is a rare look at a real-world distributed system that runs at massive scale.
I've been playing with the idea of running linux on ESP32 since the first days I've met its more robust module, the WROVER-B, on paper it se...
Dmitry.GR: My business card runs Linux (and Ultrix), yours can too. Details, kits, etc...
Postgres 15 beta 2 was released recently! I enjoy Beta season... reviewing and testing new features is a fun diversion from daily tasks. This post takes a look at an improvement to UNIQUE constraints on columns with NULL values . While the nuances of unique constraints are not as flashy as making sorts faster (that's…
Certain Solid State Drive (SSD) models will experience data loss.
The Steam Deck is a handheld gaming computer that runs a Linux-based operating system called SteamOS. The machine comes with SteamOS 3 (code name “holo” ), which is in turn based on Arch Linux.
A head-to-head performance comparison between the Linux kernel's network stack, and a kernel-bypass stack powered by DPDK.
Two years ago more or less I started my journey in Linux. I was scared at first and I didn’t know where to start from. But then I decided to buy a book - and what a book! - in order to follow a path. Along the way, I integrated the material with up-to-date documentation from kernel.org and source code. In the…
