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Japan HP accidentally deleted 77TB data in Kyoto U. supercomputing system
京都大学学術情報メディアセンターセンター長 岡部 寿男
New
The latest blog posts to take off on Hacker News. 195 posts.
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You can't copy code with memcpy
There's more to code than just instructions.
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The software that flies SpaceX rockets and starships
Spaceflight, from the beginning, has depended on computers – both on the ground and in the spacecraft. SpaceX has carried it to a new level. We recently spoke with Steven Gerding, Dragon’s software development lead, about the special challenges software development has for SpaceX's many missions.
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Apple to Apple Comparison: M1 Max vs. Intel
Unum builds the Search, Storage, and Networking engines powering the modern data stack. Deployed on 100M+ devices, our technology serves DBMS unicorns and frontier AI labs.
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On ELF, Part 2 (2018)
Kestrel : A completely open computer design.
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Best practices can slow your application down
In order to get the most performant site possible when building the codebase for our public Stack Overflow site, we didn’t always follow best practices.
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ReactOS 0.4.14
ReactOS is a free, opensource reimplementation of windows
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What scientists must know about hardware to write fast code (2020)
Socolive là địa chỉ được nhiều người hâm mộ bóng đá tìm đến khi muốn cập nhật và theo dõi trực tiếp bóng đá trên nền tảng trực tuyến. Nội dung tại Socolive được xây dựng xoay quanh nhiều giải đấu và cuộc đối đầu đáng chú ý, giúp người xem dễ dàng tìm thấy trận đấu đang được quan tâm. Cách phân loại thông tin theo từng…
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Tokio Console
Tokio is a runtime for writing reliable asynchronous applications with Rust. It provides async I/O, networking, scheduling, timers, and more.
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Asahi Linux for M1 Macs Progress October-November 2021
Porting Linux to Apple Silicon
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Étoilé on Gnustep
Étoilé is an innovative GNUstep based user environment built from the ground up on highly modular and light components with project and document orientation in mind.
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eBPF will help solve service mesh by getting rid of sidecars
eBPF Service Mesh - How we can build an eBPF-based service mesh in the kernel to replace the complex sidecar model
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Windows 10 RCE: The exploit is in the link
Chaining a misconfiguration in IE11/Edge Legacy with an argument injection in a Windows 10/11 default URI handler and a bypass for a previous Electron patch, we developed a drive-by RCE exploit for Windows 10. The main vulnerability in the ms-officecmd URI handler has not been patched yet and can also be triggered…
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Digging into Linux namespaces – part 1
Process isolation is a key component for containers. One of the key underlying mechanisms are namespaces. We will explore what they are, and how they work, to build our own isolated container and better understand each piece.
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New SiFive RISC-V core P650 with 40% IPC increase
The SiFive Performance P650 processor is expected to be the fastest licensable RISC-V processor IP core in the market, bringing RISC-V into new markets and applications, and will debut to lead partners in Q1 2022.
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Hubris – A small operating system for deeply-embedded computer systems
The release of a small open-source operating system for deeply-embedded computer systems.
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Living with single-tenant and multi-tenant architectures
Lessons learned, observations and reflections
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PureOS 10 is Released for all Librem Products
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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What every IT person needs to know about OpenBSD Part 3: That packet filter
Useful and fun features related to the OpenBSD packet filter.
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Demystifying OpenZFS 2.0
Explore the changes and reasons behind OpenZFS 2.0. This article clarifies the transition from feature flags and its impact on FreeBSD 13.
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Debugging a Linux network stack crash via a single register value
It’s not every day that you get to debug what may well be a packet of death. It was certainly the first time for me. What do I mean by “a packet of death”? A software bug where the network stack crashes in reaction to a single received network packet, taking down the whole operating system with it.
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New and improved Linux Random Number Generator ready for testing
We enable the world to secure the web. Burp Suite, the Web Security Academy, and world-leading research from PortSwigger — the AppSec community’s home.
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Signals and Threads Podcast
Listen in on Jane Street’s Ron Minsky as he has conversations with engineers working on everything from clock synchronization to reliable multicast, build systems to reconfigurable hardware. Get a peek at how Jane Street approaches problems, and how those ideas relate to tech more broadly.
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Debugging memory corruption: who the hell writes “2” into my stack? (2016)
Several weeks ago we received a bug report from a customer that said their game was crashing when using IL2CPP scripting backend. QA verified the bug and assigned it to me for fixing. The project was quite big (although far from the largest ones); it took 40 minutes to build on my machine. The instructions on the bug…
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Make your monorepo feel small with Git’s sparse index
The new sparse index feature makes it feel like you are working in a small repository when working in a focused portion of a monorepo.
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We saved millions in SSD costs by upgrading our filesystem
During COVID we experienced rapid growth in the amount of data we ingest. This post details some of the problems this caused us and how we solved them.
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The LZ4 introduced in PostgreSQL 14 provides faster compression
Haiying Tang takes you on a tour of LZ$ TOAST, the new column opton compression in PostgreSQL 14, and shows the speed and compression ratio gains.