AI Summarized Hacker News
Front-page articles summarized hourly.
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Security researchers say about 175,000 Ollama AI servers are publicly exposed due to misconfiguration, listening on all interfaces instead of localhost. This enables LLMjacking, allowing attackers to generate spam and malware or resell access. Many instances run on home or VPS setups with minimal enterprise protections; some support code execution and tool calling. Ollama defaults to binding to localhost, so the remedy is to bind to localhost and securely reconfigure or shut down exposed instances to prevent public access.
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Stonebraker challenges CAP's applicability to NoSQL, arguing CAP doesn't prevent application or DB bugs and data loss; eventual consistency isn't a panacea for such errors. Deferred delete helps. In large-scale disasters, CAP offers no solution. Partitions are rare; networking issues still matter. Some workloads can and should use full consistency at scale (e.g., Amazon SimpleDB). The post argues for preserving full consistency where feasible and treating both consistency models as useful, with full consistency a sensible default for many applications.
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WSJ 404 page not found. It cannot locate the requested page and suggests checking the URL or emailing support. The page lists popular articles, including “I Test Drove a Chinese EV. Now I Don’t Want to Buy American Cars” and news that Catherine O’Hara has died at 71, plus “Trump Picks Kevin Warsh as Fed Chair.” Latest podcasts cover a $140 million BlackRock loss, stocks slipping after the Fed pick, and Uber Eats’ $3.5 million delivery-pay ruling.
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The post revisits a prediction of a forthcoming US economic crash (2026) and concedes the author was wrong about timing. It discusses inverted yields as a recession signal—imperfect but potentially prescient—and notes silver (and gold) as hedges amid worries about the dollar. It warns of rising US debt, a stock-market bubble (AI in particular) and other overvalued assets, while arguing markets are slower to move and driven by cash hoarding. The piece ends hoping to be right this time, despite uncertainty.
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Roots is a Go-based daemon that orchestrates Docker containers for game servers. It exposes an HTTP/HTTPS REST API, a WebSocket-based real-time console, and SFTP file access, with configuration via /etc/roots/config.yaml. It integrates with Sprout Panel, supports TLS (Let's Encrypt or self-signed), and auto-detects Docker, networks, and storage paths. It ships with CLI commands for management and a systemd service. API endpoints manage health, status, servers, and per-server actions; authentication uses Bearer tokens. Useful for running game servers at scale.
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An educator outlines six Scratch-based projects to teach AI literacy: Language Models, Story Teller, RAG Time, Personas, Translation Telephone, and Benchmarking. Through hands-on tasks students see how language models predict next words, how context and settings shape outputs, and how to handle failures like hallucinations, drift, and bias. They practice techniques such as retrieval augmentation, role prompting, and few-shot prompting, and compare models. The approach emphasizes intuition over jargon and notes practical constraints of running models in schools, aiming to empower critical AI use.
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Stephen Wolfram presents an empirical, ruliological approach to P vs NP by exhaustively exploring tiny Turing machines (varying s and k). He shows rich, often computationally irreducible behavior: many functions computed by small machines lack faster algorithms within a fixed size, yielding lower bounds; larger machines can sometimes speed things up, but not universally. He demonstrates nondeterminism can give dramatic speedups for certain functions and introduces the ruliad and the 'everything machine' as limiting ideas. The work gives restricted, concrete insights into P vs NP and argues for empirical methods, while not solving the question.
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TARGET-D, a randomized trial in people with prior heart attack, found vitamin D supplementation reduced repeat heart attacks by 52% when doses were adjusted to maintain 25(OH)D levels at 40–80 ng/mL. Vitamin D may help by stabilizing atherosclerotic plaques, reducing inflammation, and regulating blood pressure, among other gene-regulatory effects. Vitamin D levels are measured by 25(OH)D tests; sources include sun, fatty fish, fortified foods, and supplements (vitamin D3 1,000–4,000 IU/day). Caveats: full manuscript not yet published; mortality/stroke effects not significant; unclear if D is an independent marker. If confirmed, vitamin D optimization could become a heart-attack risk-reduction tool.
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Deterministic-Governance-Mechanism provides a reference implementation of a fully deterministic exclusion engine where decisions are produced by a hard threshold, yielding bit-identical outputs under identical inputs, configuration, and runtime substrate. It models candidates with accumulated stress and a fixed yield threshold; once fractured, they cannot re-enter. The system is free of randomness; stress evolves deterministically; a three-phase constraint pressure schedule governs transitions. Yield strength is derived deterministically via a hash. It supports replay and provenance hashes to verify reproducibility. It is a research prototype, not production-ready, and focuses on auditability rather than policy quality.
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TalkBits – Speak Naturally is an iOS language-practice app focused on real conversations rather than lessons. It supports multiple languages (English variants, German, French, Spanish, Italian, Dutch, Portuguese, Arabic, and more) and uses a press-and-hold mic with instant AI responses that corrects mistakes in context. The AI adapts to your level for private, pressure-free practice (no public profiles or ratings). Sessions are short (30 seconds to 5 minutes) and designed for on‑the‑go learning. In-app purchases available; privacy claims data not collected.
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An Intercept report on the Washington Post raid of Hannah Natanson shows a search warrant included a “Biometric Unlock” section authorizing investigators to attempt to bypass biometrics by presenting the phone to Natanson’s face or forcing her to use a fingerprint. It’s unclear if biometrics were used or required. The warrant forbids asking which biometric method she uses, though voluntary disclosure is allowed. Experts say biometric unlock can implicate the 5th Amendment, urging journalists to disable biometrics and rely on strong passcodes. The piece frames the raid as part of broader threats to press freedom under Trump.
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The author notes that most emails reference external images (often for tracking) and that personal emails rarely include such images. They test a sieve: if the email body matches <img[^>]*src="https, they file it into Inbox.Automated. After a day, it’s surprisingly effective—most automated mail stays out of the inbox, with only one hand-sent message slipping through. They plan to exclude emails from contacts next. This is part of the December Adventure 2025 series.
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Schwartz describes building Scour’s docs as a product, not a manual: interactive, in-doc experiences that mirror the live app. Features include live searches (Hacker News and other feeds), in-doc settings toggles, clickable, real components from the Scour UI (Maud/MASH stack), and type-safe links via Rust’s axum TypedPath. The docs explain ranking, invite feedback, and encourage users to try Scour directly through the docs, with no broken links and a focus on showing how things work rather than telling.
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Google Threat Intelligence Group and partners disrupted IPIDEA, one of the largest residential proxy networks, by taking down C2 domains, sharing SDK/network intel, and enforcing Play Protect to remove IPIDEA SDKs. IPIDEA monetized by embedding SDKs (Castar, Earn, Hex, Packet) into apps across brands such as 360 Proxy, Radish VPN, Luna Proxy, turning millions of devices into exit nodes. In Jan 2026 GTIG tracked 550 threat groups using IPIDEA IPs. The operation targeted Tier One/Tier Two C2 infrastructure (~7,400 Tier Two servers) and coordinated with industry, including Cloudflare. Consumers should avoid unauthorized apps.
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Sarah Jeong reviews gas masks for protests, weaving a Portland tear-gas memoir with gear testing. She assesses three options: Parcil PT-100 (~$120) full-face with included filters but fit/comfort issues; Mira CM-6M (~$199) offering superior, military-grade protection and comfort but high cost; and 3M 6800 Full-Face (~$140) durable with replaceable filters. Key takeaways: easy donning, secure fit, durability, and value matter. The piece argues tear gas is used to incite riots and that masks aren’t perfect, noting a correction about a respirator misidentification.
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Bluesky’s 2025 Transparency Report outlines Trust & Safety work to curb toxicity, protect youth, and strengthen regulatory readiness across the federated AT Protocol. The user base grew ~60% to 41.41M; 1.41B posts and 235M media uploads. Moderation ran 24/7 with automation and human review, focusing on toxicity filtering, age assurance, policy updates, verification, and compliance. In 2025, 9.97M reports (+54%), 16.49M labels vs 2.45M takedowns; 13,192 temporary suspensions and 14,659 permanent removals. Proactive detection flagged 2.54M items; 3,619 accounts removed for influence operations. Legal requests 1,470 with 90.7% compliance; child safety removals 6,502. 2026: safety features, labeling, and moderation.
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