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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,839 posts.
Infrastructure & DevOps
Any year
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We moved from AWS to Hetzner, saved 90%, kept ISO 27001 with Ansible
The European CTO’s Dilemma: Keeping Compliance outside AWS
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Firecracker internals: Inside the technology powering AWS Lambda (2021)
You are most likely familiar with AWS Lambda and Fargate — Amazon's serverless computing engines. At its nature, serverless computing introduces quite a challenging task requiring both tight security and great performance. For exactly that matter Amazon came up with its microVM solution called Firecracker .
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Cheap Recurring Payments with Stripe and AWS Lambda
If you run a small SaaS business, you need a recurring billing solution, and there are a lot of options out there. There’s Chargify (from $149/month), Chargebee (from $99/month), Recurly (from $99/month), MoonClerk (from $15/month), etc. All of these platforms have features beyond recurring payments, which increases…
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How we got our AWS bill to around 2% of revenue
Leveraging AWS lightsail to achieve a minimal AWS bill
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Quadlet: Running Podman containers under systemd
Finally, Podman has a Docker Compose alternative
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Why would anyone choose Docker over fat binaries?
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Hetzner raises prices while significantly lowering bandwidth (US)
Hetzner raises prices This morning I received an email from Hetzner stating that they are raising prices in the US while significantly reducing bandwidth. The largest price percentage increase is 27.52% for CPX21 servers, and the smallest is 4.17% for CX3+ servers. Bandwidth allotments are decreasing on average…
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Low-Cost VPS Testing
Last time around I was looking for a large dedicated VPS in the $100/month price range. Since then I have started deploying a lot more tiny cloud instances that cost less than $10/month to run just one or two apps. So this time around I am looking for the best bang for the buck for less $10 per month. Unmanaged, of…
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Amazon DynamoDB – a Fast and Scalable NoSQL Database Service from AWS
Today is a very exciting day as we release Amazon DynamoDB, a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. DynamoDB is the result of 15 years of learning in the areas of large scale non-relational databases and cloud services. Several years ago we published…
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Internet Archive's Storage
Internet Archive Staff Bruce Li introduces his The Long Now of the Web: Inside the Internet Archive’s Fight Against Forgetting thus: Thi...
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AWS doesn't make sense for scientific computing
In 2022, it actually makes sense to build your own infrastructure for scientific computing if you're a university, NASA, or a growing bio company.
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The Big Little Guide to Message Queues
A guide to the fundamental concepts that underlie message queues, and how they apply to popular queueing systems available today.
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AWS Tips, Tricks, and Techniques
AWS is one of the most popular cloud computing platforms. It provides everything from object storage ( S3 ), elastically provisioned servers ( EC2 ), databases as a service ( RDS ), payment processing ( DevPay ), virtualized networking ( VPC and AWS Direct Connect ), content delivery networks ( CDN ), monitoring (…
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Low latency tuning guide
This guide describes how to tune your AMD64/x86_64 hardware and Linux system for running real-time or low latency workloads.
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Does your startup need complex cloud infrastructure?
Notes about startups, AI, health-care and overall engineering
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Python Deployment Anti-Patterns
Deploying web applications is hard. No shiny continuous deployment talk and no DevOps coolness can change that. Or to use DevOps Borat’s words: “Is all fun and game until you are need of put it in production.“ There are some mistakes I see people doing again and again so I’d like to address them here.
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Most Stable Raspberry Pi? Better NTP with Thermal Management
eBay affiliate disclosure: Links labeled “eBay affiliate link” lead to eBay. As an eBay Partner, I may earn a commission if you make a purchase. I’ve written before about building microsecond-accurate NTP servers with Raspberry Pi and GPS PPS, and more recently about revisiting the setup in 2025. Both posts focused on…
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Solar and batteries can power the world
Solar and batteries are cheap enough that most people can get most of their electricity from them, and save money. This equation gets better and better over time as their costs decline.
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My Poor Experience With Azure (or why I'm sticking with AWS)
AWS has a lot of haters. Lots of horror cases where people thought they were on the free account but ended up with a $20,000 bill. We are told Azure has a much better model. You have to manually move to a paid service. No surprise bills. Like AWS,
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RabbitMQ vs. Kafka – An Architect’s Dilemma (Part 1)
RabbitMQ and Apache Kafka might appear similar but serve very different needs. Read to learn and make an informed decision suitable for your needs.
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How to Measure Indoor Air Quality with a Raspberry Pi, RuuviTags and PMS7003
Learn how to build an air quality monitoring device with a PMS7003 sensor, Raspberry Pi and some Java code. Help raise awareness about air pollution.
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That UPS you bought for your home server may not be as useful as you think
Some years ago I decided to install a server at home for use as a NAS (network-attached storage) in my home network, and for an Internet-facing server. I live in a place where blackouts are very in…