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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,377 posts.
Infrastructure & DevOps
Any year
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Ansible open-sources Ansible Tower with AWX
Ever since Red Hat acquired Ansible, I and many others have anticipated whether or when Ansible Tower would be open sourced. Ansible Tower is one of the nicest automation tools I've used... but since I haven't been on a project with the budget to support the Tower licensing fees, I have only used it for testing…
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Alternatives to MinIO for single-node local S3
In late 2025 the company behind MinIO decided to abandon it to pursue other commercial interests. As well as upsetting a bunch of folk, it also put the cat amongst the pigeons of many software demos that relied on MinIO to emulate S3 storage locally, not to mention build pipelines that used it for validating S3…
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Your own Debian Mail Server (part II): how to prove you are not a spammer
TL;DR: check mail-tester.com or Spam Checker. If you don't get 10/10, read this post. In a previous post, we saw how to configure a Debian mail server with Postfix and Dovecot, but we did not address an important issue: spam. Major e-mail providers are defending their users …
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Dutch National Cyber Security Center is Offline because it uses PHP
Overzicht van de laatste alerts, nieuwsberichten, publicaties, expertblogs en de meest recente verhalen van ondernemers.
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Carving the scheduler out of our orchestrator
A deep dive into container scheduling and Flyd, our new orchestrator.
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Starting an ISP: Deploying Fiber
The personal site of Chris Hacken — entrepreneur and operator who founded and sold Loop Internet. Essays and a podcast on building internet infrastructure, companies, and other hard things.
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Roll your own Ngrok with Nginx, Letsencrypt, and SSH reverse tunnelling
Ngrok is a fantastic tool for creating a secure tunnel from the public web to a machine behind NAT or a firewall. Sadly, it costs money and it’s proprietary. If you’re a developer, odds are that you’re already renting a server in the public cloud, so why not roll your own ngrok?
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Docker 1.12: Now with Built-In Orchestration
Docker is a founding member of the Blueprint Alliance, a 12-company reference architecture for securing AI agents, built around four governance questions.
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Docker 0-Day Stopped Cold by SELinux
The latest on the world’s leading enterprise Linux® platform
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Making EC2 boot time faster
It's possible to cut EC2 boot time from 40 seconds to 5 seconds by combining several optimizations like root volume streaming, instance warm pools, and instance resizing.
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Why We're Moving on from Nix
Meet Railpack — the next iteration of the Railway builder, developed from the ground up on lessons from building over 14 million apps with Nixpacks.
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GitHub: October 21 Incident Report
At 10:52 pm Sunday UTC, multiple services on GitHub.com were affected by a network partition and subsequent database failure resulting in inconsistent information being presented on our website.
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The Linux Upskill Challenge
The Linux Upskill Challenge (https://github.com/livialima/linuxupskillchallenge) as done by Leo Robinovitch
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Backblaze Drive Stats for Q3 2023
Explore Backblaze's Q3 2023 hard drive stats, revealing insights on 259,533 HDDs, failure rates, and data center performance for enhanced reliability.
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We killed our end-to-end test suite
How Nubank switched from and End-to-End suite to a Contract and Acceptance testing strategy to scale to over 1k engineers
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Snap updates happen without user consent
Recent versions of Ubuntu turned on a particularly annoying feature: intrusive system notifications that warn of the pending update of a Snap managed application. Here’s an example:
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Tech Preview of Docker Desktop for M1
Apple has recently shipped the first Macs based on the new Apple M1 chips. Today we have a public preview that you can download and try out!
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Update about the October 4th outage
To all the people and businesses around the world who depend on us, we are sorry for the inconvenience caused by today’s outage across our platforms. We’ve been working as hard as we can to restore…
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From S3 to R2: An economic opportunity
Cloudflare's R2 is an undiscovered gem and is redefining the economics of data storage
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Free data transfer out to internet when moving out of AWS
You told us one of the primary reasons to adopt Amazon Web Services (AWS) is the broad choice of services we offer, enabling you to innovate, build, deploy, and monitor your workloads. AWS has continuously expanded its services to support virtually any cloud workload. It now offers over 200 fully featured services for…
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Building Good Docker Images
The docker registry is bursting at the seams. At the time of this writing, a search for “node” gets just under 1000 hits. How does one choose?
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Prometheus 2.0
An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.
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Syslog: Complete System Administrator Guide
Complete Guide on understanding the Syslog protocol, syslog message format as well as log forwarding. Best practices included!
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Tj-actions/changed-files GitHub Action Compromised – used by over 23K repos
tj-actions/changed-files
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What job interviews taught me about Kubernetes
So I've been job hunting lately. Reading job postings, doing interviews, talking to engineering teams at like a dozen companies. And I noticed...
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Tailscale ate my network (and I love it)
No matter where you go, there you are If you're like me, you travel occasionally. Access to your office from home, or from an airport loun...