31
How an oil refinery works
Though wind and solar continue to carve out larger and larger shares of world energy supply, the modern world still runs on petroleum, and will continue to do so for the foreseeable future.
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 276 posts.
32
It's 2026, Just Use Postgres
Stop managing multiple databases. Postgres extensions replace Elasticsearch, Pinecone, Redis, MongoDB, and InfluxDB with BM25, vectors, JSONB.
33
Payments Canada announces launch of Canada's Real-Time Rail (RTR) payment system
The new system will enable participating financial service providers to clear and settle payments in real time, providing a made-in-Canada platform for future innovation and prosperity.
34
I am worried about Bun
Bun is excellent software. Anthropic owns it now, Bun sits under Claude Code, and Claude Code getting worse makes me worried Bun could follow the same enshittification path.
35
Fastmail offers EU data region
Choose if you want to make the European Union the primary home for your Fastmail data, on our own secure servers in Amsterdam.
36
Meta’s renewed commitment to jemalloc
Meta recognizes the long-term benefits of jemalloc, a high-performance memory allocator, in its software infrastructure. We are renewing focus on jemalloc, aiming to reduce maintenance needs and mo…
37
6-Day and IP Address Certificates Are Generally Available
Update: March 11, 2026 If you use Certbot, see Six-Day and IP Address Certificates Available in Certbot for details on requesting these certificates. Short-lived and IP address certificates are now generally available from Let’s Encrypt. These certificates are valid for 160 hours, just over six days. In order to get a…
38
Cloudflare crawl endpoint
Browser Rendering's new /crawl endpoint lets you submit a starting URL and automatically discover, render, and return content from an entire website as HTML, Markdown, or structured JSON.
39
I hate GitHub Actions with passion
I can’t overstate how much I hate GitHub Actions. I don’t even remember hating any other piece of technology I used. Sure, I still make fun of PHP that I remember from times of PHP41, but even then I didn’t hate it. Merely I found it subpar technology to other emerging at the time (like Ruby on Rails or Django). And…
40
45°C cooling design cuts data center water use to near zero
NVIDIA’s latest AI servers can run on coolant warmer than a hot tub — and that counterintuitive choice is one of the biggest efficiency leaps in data center history.
41
I'm switching my phone from Android to Linux
Since Android is becoming increasingly more locked down and slopped, I'm jumping ship.
42
Tailscale Peer Relays is now generally available
Work around hard NATs and tricky networks with production-grade connectivity nodes you control
43
Cloudflare Email Service
Agents are becoming multi-channel. That means making them available wherever your users already are — including the inbox. Today, Cloudflare Email Service enters public beta with the infrastructure layer to make that easy: send, receive, and process email natively from your agents.
44
Incident Report: May 19, 2026 – GCP Account Suspension
Railway experienced a platform-wide disruption after Google Cloud incorrectly suspended our account, temporarily taking down all GCP-hosted infrastructure.
45
'No way to prevent this,' says only package manager where this regularly happens
Kevin Patel - Application Security Engineer @ NISC
46
Why I love NixOS
Why I love NixOS is really about the Nix package manager, reproducibility, and sane system management in the LLM coding era.
47
Google Hits 50% IPv6
IPv6 has reached a major milestone, with around half of Google’s users now accessing its services over IPv6.
48
Mac at any scale
What it takes to run Macs in a datacenter: custom MacBook racks, virtualizing macOS with Apple's Virtualization framework, and building and distributing huge VM images across the fleet.
49
AI handles incidents, engineers lose touch with their systems
AI-assisted incident response can lower MTTR while leaving engineers less prepared for the complex incidents automation cannot solve.
50
Ubiquiti: Enterprise NAS, Built on ZFS
Discover ENAS, the license-free enterprise storage platform featuring native ZFS, secure UniFi management, scalable petabyte-class capacity, multi-site backups, and shared iSCSI storage for modern business infrastructure.
51
Dropping Cloudflare for Bunny.net
Dropping Cloudflare and migrating to bunny.net, starting out with my blog.
52
Should I run plain Docker Compose in production in 2026?
Yes, plain Docker Compose can still run production workloads in 2026, but only if you close the operational gaps it leaves: cleanup, healing, image pinning, socket security, and updates.
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GitHub Actions is slowly killing engineering teams
Why GitHub Actions is the Internet Explorer of CI, and why Buildkite offers a better path forward for teams that care about developer experience.
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MicroVMs: Run isolated sandboxes with full lifecycle control
AWS launches a new serverless compute primitive, AWS Lambda MicroVMs. VM-level, isolated sandboxes with no shared kernel or resources between sessions. Rapid launch and resume, full lifecycle control, state preservation up to 8 hours, no infrastructure to manage.
57
4x faster network file sync with rclone (vs rsync) (2025)
For the past couple years, I have transported my 'working set' of video and project data to and from work on an external Thunderbolt NVMe SSD. But it's always been slow when I do the sync. In a typical day, I may generate a new project folder with 500-1000 individual files, and dozens of them may be 1-10 GB in size…
58
A Practical Guide to SSH Tunnels: Local and Remote Port Forwarding
SSH port forwarding explained in a clean and visual way. How to use local and remote port forwarding. What sshd settings may need to be adjusted. How to memorize the right flags.
59
Blog ran on Ubuntu 16.04 for 10 years. I migrated it to FreeBSD
After a decade on Ubuntu 16.04, I migrated my blog to FreeBSD on Hetzner. Some notes on setting up a VPS with FreeBSD, Jails, Bastille, Caddy reverse proxies, and load testing and benchmarking the blog from four continents.
60
Go 1.27 Interactive Tour
An interactive tour of what’s new in Go 1.27: every notable language, runtime, and standard library change, with short runnable examples you can edit and run in the browser.