Featured Archives - Igor Oseledko https://www.igoroseledko.com/category/featured/ I know everything. Just not all at once... Thu, 09 Jul 2026 11:55:15 +0000 en-US hourly 1 Searching Twitter https://www.igoroseledko.com/searching-twitter/ Thu, 09 Jul 2026 11:55:15 +0000 https://www.igoroseledko.com/?p=133912 Originally published July 10, 2020 @ 12:14 amHere are just a few hopefully useful tips for searching Twitter to get more relevant results. Twitter’s “advanced” search option is not all that fancy, but it is better than nothing. Not a lot of people use it or even know it’s there. Here are the parameters you […]

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]]> Bulk Create Linux Users using Salt https://www.igoroseledko.com/bulk-create-linux-users-using-salt/ Thu, 18 Jun 2026 22:16:05 +0000 https://www.igoroseledko.com/?p=133889 Originally published June 19, 2020 @ 1:23 pmRecently I ran into a situation where hundreds of VMs recently built via OpenShift/Ansible automation were missing an important local user account used for security audits. While our automation guys were working on tracking down and fixing the build configuration, I needed to add the account manually. Luckily […]

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]]> Relocating WLS2 Images https://www.igoroseledko.com/relocating-wls2-images/ Tue, 16 Jun 2026 02:56:18 +0000 https://www.igoroseledko.com/?p=135063 Originally published June 16, 2023 @ 6:19 pmJust a quick note, mostly for myself, on how to move a WSL2 VHDX image to an alternate location. Previously, I already touched on the subject of backing up WLS images. However, now I am looking to move my default Ubuntu WSL2 image to a detachable drive because […]

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]]> College Students Demand Refunds https://www.igoroseledko.com/college-students-demand-refunds/ Tue, 19 May 2026 11:42:00 +0000 https://www.igoroseledko.com/?p=133869 Originally published May 20, 2020 @ 1:51 amThe University of Illinois at Chicago students are trying to get a partial refund for tuition and fees paid for on-campus studying that’s been moved online due to the pandemic. A similar situation is developing at other US colleges with lawyers getting involved and a growing potential for […]

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]]> Finding Gaps in Timestamps https://www.igoroseledko.com/finding-gaps-in-timestamps/ Fri, 24 Apr 2026 13:57:47 +0000 https://www.igoroseledko.com/?p=135054 Originally published April 25, 2023 @ 8:29 amSometimes knowing when something didn’t happen can be just as valuable as knowing when it did. For reasons yet to be determined, my Salt Master server needs to be bounced occasionally. Not the whole server – just the salt-master service. I needed to find a good time to […]

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]]> The Black Box on the Org Chart https://www.igoroseledko.com/the-black-box-on-the-org-chart/ Mon, 06 Apr 2026 00:17:50 +0000 https://www.igoroseledko.com/?p=135562 There’s a particular kind of delusion that takes hold in tech booms. It starts with a true thing, wraps itself around a useful thing, and then inflates into a preposterous thing. The true thing is that large language models can be useful. They can summarize, scaffold, autocomplete, translate from one notation to another, and generate […]

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]]> The Post-Language Future of AI Systems https://www.igoroseledko.com/the-post-language-future-of-ai-systems/ Thu, 02 Apr 2026 05:28:45 +0000 https://www.igoroseledko.com/?p=135531 There’s a persistent assumption baked into how we talk about AI: that language is fundamental. That intelligence expresses itself through something like English, or at least through structured programming languages we recognize. It’s a comforting idea. It’s also probably wrong. Language, as humans use it, is a workaround. It’s a lossy, error-prone encoding layer that […]

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]]> Outsmarted by a River, a Rope, and an Anchor https://www.igoroseledko.com/outsmarted-by-a-river-a-rope-and-an-anchor/ Thu, 02 Apr 2026 02:50:05 +0000 https://www.igoroseledko.com/?p=135569 Before you entrust serious decisions to AI, consider that the most advanced systems routinely fail at school-level physics problems written over a century ago. Here’s why, and what it reveals about how these systems actually “think.” Yakov Perelman never discovered a law of physics. He never led a research program or published in a major […]

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]]> To Mask or Not to Mask https://www.igoroseledko.com/to-mask-or-not-to-mask/ Tue, 31 Mar 2026 02:10:54 +0000 https://www.igoroseledko.com/?p=133832 Originally published March 31, 2020 @ 3:17 pmEffectiveness of face masks against the coronavirus has been debated to death in both popular and scientific literature. Here are the two most common mistakes made by journalists and by people who should know better. Asking the Wrong Question “Can Face Masks Prevent Coronavirus?” or “Can wearing a […]

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]]> The AI Bubble Isn’t a Bubble. It’s a Trap. https://www.igoroseledko.com/the-ai-bubble-isnt-a-bubble-its-a-trap/ Thu, 26 Mar 2026 05:27:57 +0000 https://www.igoroseledko.com/?p=135528 Let’s dispense with the fantasy right away. Your $20-a-month ChatGPT subscription isn’t paying for anything remotely resembling the actual cost of running modern AI. It doesn’t cover the data centers, the power bills, the GPUs stacked like gold bars in climate-controlled bunkers. Not even close. Right now, no major AI company is profitable. None of […]

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