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OpenBSD Webzine Issue #2
Webzine created by volunteers who are passionate about the OpenBSD project development.
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Scaling Relational SQL Databases (2020)
A list of things that we can do when we need to scale a SQL database.
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Why I stopped releasing EasyOS as an ISO file
Some time ago I stopped releasing EasyOS as an ISO file, from then onward as a drive image file only. This has been contentious, and I receive emails from people lamenting the demise of the ISO. So, I should post some thoughts why I made this decision. Not an exhaustive rationale, just some thoughts while I think of…
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Designing a better strcpy
Saagar Jha's website.
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I wish systemd logged information about the source of “transactions”
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Tried Nvidia’s GTX 1080 – still no external GPU on a Pi
Earlier today I did a livestream on my YouTube channel to attempt using an Nvidia GeForce GTX 1080 on a Raspberry Pi Compute Module 4. As with all my testing, I'm documenting everything I learn in this GitHub issue, which is part of the Raspberry Pi PCI Express Card Database website. It's only been a few hours, but…
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V7 Unix had no stack size limit, and when Unix acquired one
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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NetBSD 9.2
The NetBSD Project is pleased to announce NetBSD 9.2 "Nakatomi Socrates", the second update of the NetBSD 9 release branch.
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Diving Deep on S3 Consistency
A deep dive on why we changed Amazon S3's consistency model
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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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FreeBSD Audio
I started using FreeBSD in 2016 as a dual-boot with Linux. The reason was that at the time Linux provided no support for real-time threads and preemptive scheduling but did provide a wider choice of audio applications. Today, as the FreeBSD audio ecosystem improved a lot, I am a happy single-OS user. You may ask…
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Using the FreeBSD Rack TCP Stack
Explore FreeBSD's RACK TCP Stack, a dynamic pluggable TCP stack introduced in version 12, offering advanced flexibility for handling TCP flows.
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Porting QEMU to RedoxOS
The Redox official website
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Clojure builds as an amalgamation of orthogonal parts
The Clojure Core team recently released a new Clojure library, tools.build , that is a culmination of thought around batteries-included build support for Clojure projects. I won’t go into detail around the history and contents of the library in this post because much of that is found elsewhere, including the…
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C++20: Building a Thread-Pool with Coroutines
Recently I’ve been rambling about the amazing improvements which will land with C++20 support in our toolchains. For those who haven’t had a look at those yet, I recommend checking out the summary in the following recent blog post: C++20: An Introduction. The Update We’ve All Been Waiting For? .
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RISC-V isn’t as interesting as you think
I had wrote this before the Unleashed was revealed, so some of the bits on economics have changed. As of writing this, I still stand by my other beliefs. One of the most hyped things in hardware design is RISC-V,… Continue reading →
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Faster Linux 2.5G Networking with Realtek RTL8125B
Since the Raspberry Pi Compute Module 4 was introduced last year, I've been testing a variety of PCI Express NICs with it. One of the main types of NIC I'm interested in is cheap 2.5 Gigabit Ethernet adapters. 2.5 Gigabits is about the highest reasonable bandwidth you can get through the PCI Express Gen 2.0 x1 lane on…
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YOLOv5 on CPUs: Sparsifying to Achieve GPU-Level Performance
From live events to hands-on product demos to deep technical research, see what we're doing with AI at Red Hat.
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Reverse-engineering Rosetta 2 Part 1: Analyzing AoT files and the runtime
Apple announced that it would be moving from Intel processors to Arm-based Apple Silicon CPUs for Macs at WWDC 2020. The Apple Silicon-based Mac Book Air and Pro were released in October 2020 with great fanfare.
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Migrate Everything from Linux to BSD
As an operating system GNU/Linux has become a mess because of the fragmented nature of the project, the bloatware in the kernel, but mainly because of the manipulation by corporate interests. There exist several technical reasons for when a migration from GNU/Linux to BSD make sense, but this article isn't about that…
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Splitting the Ping
Ping is one of the fundamental pillars of networking. It’s simple, universally supported, and is normally one of the few things that is shipped with all network stacks.
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How Facebook deals with PCIe faults to keep its data centers running reliably
Peripheral component interconnect express (PCIe) hardware continues to push the boundaries of computing thanks to advances in transfer speeds, the number of available lanes for simultaneous data de…
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How to port your OS to EC2 (2018)
You're going to want to make some changes to what goes into that disk image later, but for now just build a disk image.
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Let’s Talk OpenZFS Snapshots
Optimize OpenZFS snapshots. Learn which data benefits from snapshots, how long to keep them, and how to avoid performance bottlenecks.