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AWS Customers Cannot Escape IPv4
AWS will charge for IPv4 addresses but its IPv6 support lacks severely
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 156 posts.
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Linux Namespaces Are a Poor Man's Plan 9 Namespaces
A blog about free software and programming
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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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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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μMon: Stupid simple monitoring (2022)
Let me introduce you to μMon, mypersonal, minimalist, opinionated take on host monitoring based onRRDtool, SNMP, some lightweightshell scripting, and a small...
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Farewell EC2-Classic, it’s been swell
It is time to celebrate EC2-Classic, which defined early cloud computing, and which is finally retiring.
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Quadlets might make me finally stop using docker-compose
Sure, docker-compose is great, but could we get similar functionality using just the tools that are built into CoreOS? Can we get automatic updates, too? Yes we can! 📦
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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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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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Non-interactive SSH password authentication
Instead of using sshpass to non-interactively provide an SSH password, here is a simpler approach by harnessing the built-in features of OpenSSH...
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Microservices are hard
Over the past years I attended hundreds of interviews. Many candidates proudly told tales on how they develop their projects with a microservice architecture. Often (I don’t want to say “always”, but from my memory I think it actually is “always”) it does not require many questions to see that they used a rocket…
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Monoliths are not dinosaurs
Building evolvable software systems is a strategy, not a religion. And revisiting your architectures with an open mind is a must.
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Just use a monorepo
In which I tell you that you're overcomplicating things and you should throw everything behind a single git repository.
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Tracing: Structured logging, but better
It is no secret that I am not a fan of logs; I’ve baited (rapala in work lingo. Rapala is a Finnish brand of fishing lure, and used to mean baiting in this context) discussion in our work chat with things like: If you’re writing log statements, you’re doing it wrong. This is a pretty incendiary statement, and while…
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The worst thing about Jenkins is that it works (2019)
Why I joined my company's CI team to fix Jenkins, the two options we weighed, and what I learned about developer-productivity work.
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Why host your own LLM?
In the Terminator movies, good relationships beat technological superiority. Kyle Reese and Sarah Connor outwit the advanced T-800 who in turn helps Sarah and John beat the ultra-advanced T-1000. OpenAI’s GPT-4 is currently the most advanced publicly available language model. There are also analyses showing it’s…
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AWS’s anti-competitive move hidden in plain sight
Folks have been making noises for a while that Amazon is anti-competitive in a variety of ways. I don’t disagree with the overall sentiment, but there’s one particular aspect of how AWS advantages its own offerings that I don’t see folks talking about–and strikes me as particularly egregious.
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I think GCP is better than AWS (2020)
I originally posted this on Reddit so I could get a good sample of opinions from other engineers to see how they compared to mine before…
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Ubuntu 22.04 LTS servers and phased apt updates
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Farewell to the Era of Cheap EC2 Spot Instances
AWS EC2 Spot prices have surged since the start of 2023. In this article I investigate this trend, possible causes, and how AWS customers can improve their deployments to get the maximum discount possible.
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AWS IPv4 Estate Now Worth $4.5B
AWS grew its IPv4 estate with an additional 27 million IP addresses to now owning 128 Million IPv4 addresses. At a value of $35 per IPv4 address, the total value of AWS’ IPv4 estate is ~4.5 Billion dollars. An increase of $2 billion
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So, you want to deploy on the edge?
Application developers often deploy their apps into a single area, generally represented by a handful of AZs in a single region. No matter where their …
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Noticing when an app is only hosted in us-east-1
Using latency measurements to infer when a globally used application is served only from us-east-1.
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