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Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 1,839 posts.
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Huawei ExaGear: x86_64 apps on Arm 64-bit Linux systems
Note: This post is only kept up for historical reasons. The current ExaGear EULA doesn’t allow using ExaGear outside of Huawei Kunpeng processors.
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A Tour of Amazon's DynamoDB
Amazon’s recent release of DynamoDB, a database whose name is inspired by Dynamo, the key-value database the distributed datastore they’ve been running in production for a good five to six years now. I think it’s great they’ve finally done it, though from my obverservations, there’s little resemblance of what the…
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FreeBSD Bhyve Virtualization
The Bhyve FreeBSD hypervisor (called/spelled ‘beehive’ usually) was created almost 10 years ago. Right now it offers speed and features that other similar solutions provide – such…
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An Overview of Docker Desktop Alternatives
It's been a few years since I was a maintainer of minikube, but after the news that Docker Desktop will no longer be free for enterprises and some of the misconceptions of how the technology works, I thought I'd write...
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Can I have a smaller Prometheus
For the past few weeks, I’ve been thinking about having a time series DB and visualization tool that is easy to use and light on resources, so it can be used locally for development. Tried se…
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Microservices should form a polytree
Microservices work best as a polytree with clear dependencies and no cycles. Learn how this structure reduces complexity and makes systems easier to scale and maintain.
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How Doomed is NetApp?
by Robin Harris | Monday, April 13, 2015 | Cloud computing & storage , Enterprise , Management , NAS, IP, iSCSI , Object storage | 40 comments
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AWS Lambda – Best practices
In this post we are going to go through the best practices while building an AWS Lambda function. In order to go through this blog you should know what is it and you should ideally have built at le…
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ServiceFabric: a distributed platform for building microservices in the cloud
ServiceFabric: a distributed platform for building microservices in the cloud Kakivaya et al., EuroSys’18 (If you don’t have ACM Digital Library access, the paper can be accessed either by fo…
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Setting up a trusted, self-signed SSL/TLS certificate authority in Linux
With OpenSSL, it’s pretty easy to generate a simple self-signed TLS certificate . Just run the following command:
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A Quick Introduction to LXD
With the recent release of Ubuntu 15.04, aka “Vivid Vervet”, the Ubuntu community has also unveiled an early release of LXD (pronounced “lex-dee”), a new project aimed at revitalizing the use of LXC and LXC-based containers in the face of application container efforts such as Docker and rkt. In this post, I’ll provide…
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How I accidentally took down GitHub Actions (2019)
Last December, I was invited to a private bug bounty program to test a beta version of GitHub Actions. GitHub Actions is a workflow automation tool integrated with GitHub. One common use case of GitHub Actions is for CI builds – a project can fairly easily start up a Docker container every time they push a commit…
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Could we stop Yellowstone from erupting with a geothermal power plant?
It’s become fairly common knowledge that Yellowstone National Park, in addition to being incredibly beautiful, is sitting on top of an enormous supervolcano that catastrophically erupts every few hundred thousand years.
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Things I set on new servers
There are a number of things you can do to make a server more secure whilst protecting your hosted entities and their users. Here are just three of the many things I do on every new server I commission. I hasten to add that these are not necessarily the most effective or at the top of my list - they are just that: 3…
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Murder Mystery: GCC builds failing after sbuild refactoring
This is the story of an investigation conducted by Jochen Sprickerhof, Helmut Grohne, and myself. It was true teamwork, and we would have not reached the bottom of the …
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FreeBSD now available on all EC2 instance types
I tried building FreeBSD AMIs for the 32-bit EC2 instance types the same way as I did the 64-bit instances — by defenestrating Windows AMIs — but there was a catch: They wouldn't boot. In fact, when I tried this six months ago, they not only didn't boot, but they didn't even produce any console output to help me…
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Podman rootless containers and the Copy Fail exploit
On April 29th CVE-2026-31431 was publicly disclosed at https://copy.fail/ . This vulnerability allows a local unprivileged user to obtain a root shell by running the Python script shared by the author.
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Current architectural best practices for LLM applications
In this guide, I will share the standard architecture for data-informed language model applications and explain forthcoming improvements in knowledge retrieval.