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Datacenters in space aren't going to work
There is a rush for AI companies to team up with space launch/satellite companies to build datacenters in space. TL;DR: It's not going to work.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 34 posts.
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Data Centers and Water Consumption | Article
See all of our articles on the impacts of data centers , including their energy needs, water usage, noise pollution, and contribution to higher energy bills: The Environmental Impacts of Data Centers (Article Series)
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How much energy does ChatGPT use?
This Gradient Updates issue explores how much energy ChatGPT uses per query, revealing it's 10x less than common estimates.
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Measuring the environmental impact of AI inference
A methodology for measuring the energy, emissions, and water impact of Gemini prompts shines a light on the environmental impact of AI inference.
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Economics of Orbital vs. Terrestrial Data Centers
Before we get nerd sniped by the shiny engineering details, ask the only question that matters. Why compute in orbit? Why should a watt or a flop 250 miles up be more valuable than one on the surface? What advantage justifies moving something as mundane as matrix multiplication into LEO?
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How uv got so fast
uv’s speed comes from engineering decisions, not just Rust. Static metadata, dropping legacy formats, and standards that didn’t exist five years ago.
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Six day and IP address certificate options in 2025
Update: January 15, 2026 Six-day and IP address certificates are now generally available. See 6-day and IP Address Certificates are Generally Available for details. This year we will continue to pursue our commitment to improving the security of the Web PKI by introducing the option to get certificates with six-day…
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We should all be using dependency cooldowns
See cooldowns.dev for up-to-date information on cooldown adoption across various languages and package ecosystems.
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So you want to build your own data center
When it comes to infrastructure engineering, building a data center is probably closer to building a house than to deploying a Terraform stack.
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Litestream: Revamped
Bringing in what we learned from LiteFS
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Behind the scenes of Bun Install
Learn how Bun is able to cut install times by up to 25×. Bun skips Node.js's overhead with direct system calls, cache-friendly data layouts, OS-level copy-on-write, and full-core parallelism.
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Build a tiny CA for your homelab with a Raspberry Pi
Let's make a tiny, standalone CA! We'll use a Raspberry Pi 4, YubiKey 5 NFC, and Infinite Noise TRNG.
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Pricing Changes for GitHub Actions
GitHub Actions pricing update: Discover lower runner rates (up to 39% off) following a major re-architecture for faster, more reliable CI/CD.
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How to Run DeepSeek R1 671B Locally on a $2000 EPYC Server
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GitHub Actions has a package manager, and it might be the worst
GitHub Actions has a package manager that ignores decades of supply chain security best practices: no lockfile, no integrity verification, no transitive pinning
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AWS deleted my 10-year account and all data without warning
After 10 years as an AWS customer and open-source contributor, they deleted my account and all data with zero warning. Here's how AWS's 'verification' process became a digital execution, and why you should never trust cloud providers with your only copy of anything.
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Backblaze Drive Stats for Q3 2025
Read the Q3 2025 Drive Stats report to see the latest annualized failure rates, and an analysis of how we define failure in the first place.
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Cloudflare Email Service: private beta
Today, we’re launching Cloudflare Email Service. Send and receive email directly from your Workers with native bindings—no API keys needed. We're unifying email sending and routing into a single service built for developers. Sign up for the private beta.
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Backblaze Drive Stats for 2024
The 2024 Year End Drive Stats Report is here. See the the latest annualized failure rates and data insights for the Backblaze drive fleet.
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Amazon's AI crawler is making my Git server unstable
Please, just stop.
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Coming soon: Simpler pricing and a better experience for GitHub Actions
Update: We’ve read your posts and heard your feedback. We’re postponing the announced billing change for self-hosted GitHub Actions to take time to re-evaluate our approach. We are continuing to…
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Litestream v0.5.0
Same Litestream goodness but better, faster, stronger
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Tailscale Peer Relays
Tailscale Peer Relays provide predictable, performant access, entirely within your own tailnet.
25
Deploying DeepSeek on 96 H100 GPUs
DeepSeek is a popular open-source large language model (LLM) praised for its strong performance. However, its large size and unique architecture, which uses Multi-head Latent Attention (MLA) and Mixture of Experts (MoE), require an advanced system for efficient serving at scale.
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Rubygems.org AWS Root Access Event – September 2025
As part of standard incident-response practice, Ruby Central is publishing the following post-incident review to the public. This document summarizes the September 2025 AWS root-access event, what occurred, what we verified, and the actions we’ve taken to strengthen our security processes.
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How Cloudflare blocked a monumental 7.3 Tbps DDoS attack
In mid-May 2025, blocked the largest DDoS attack ever recorded: a staggering 7.3 terabits per second (Tbps).
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Pnpm has a new setting to stave off supply chain attacks
There have been several incidents recently where popular packages were successfully attacked. To reduce the risk of installing a compromised version, we are introducing a new setting that delays the installation of newly released dependencies. In most cases, such attacks are discovered quickly...
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OCSP Service Has Reached End of Life
Today we turned off our Online Certificate Status Protocol (OCSP) service, as announced in December of last year. We stopped including OCSP URLs in our certificates more than 90 days ago, so all Let’s Encrypt certificates that contained OCSP URLs have now expired. Going forward, we will publish revocation information…
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Modern CI is too complex and misdirected (2021)
The state of CI platforms is much stronger than it was just a few years ago. Overall, this is a good thing: access to powerful CI platforms enables software developers and companies to ship more reliable software more frequently, which benefits its users/customers. Centralized CI platforms like GitHub Actions, GitLab…