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Serverless Raspberry Pi Cluster with Docker
Learn how to deploy Docker Swarm to create a Raspberry Pi cluster then turn it into a serverless super-computer with the OpenFaaS framework for Docker.
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 1,839 posts.
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Common Infrastructure Errors I've Made
One surreal experience as my career has progressed is the intense feeling of deja vu you get hit with during meetings. From time to time, someone will mention something and you'll flash back to the same meeting you had about this a few jobs ago. A decision was made
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Docker Official Images Are Moving to Alpine Linux
Discover why Docker is transitioning to Alpine Linux. Learn about the benefits of smaller, faster, and more secure containers and why you should switch your Docker images to Alpine.
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I can't recommend Grafana anymore
The Grafana Stack can be an incredible powerful monitoring solution, but through my experience I found out how maintenance intensive it is and how uncertain the…
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So you wanna write Kubernetes controllers?
Any company using Kubernetes eventually starts looking into developing their custom controllers. After all, what’s not to like about being able to provision resources with declarative configuration: Control loops are fun, and Kubebuilder makes...
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It is hard to recommend Google Cloud
Discover the challenges of migrating from Google Domains and Container Registry. Explore Google Cloud's strengths and pitfalls, plus read why strategy is key.
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Set up a cheap cloud hosted adblocker in an hour for $2.50 a month
👋 Linux commands, bash scripts, and tech pro-tips.
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It takes 5 cloud services to hear my doorbell
It all started in the winter of 2024. There was a burglary in our apartment building and we decided we needed to invest in our home’s security. The …
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"BGP at home": getting a DIA circuit installed at home
The infrastructure underlying AS54316 -- the network supporting the services offered by the AP Foundation -- has historically been based out of a datacenter in NYC (NetActuate in Telehouse Chelsea). To add some resiliency, I thought it'd be interesting -- and a potentially fun challenge -- to leverage some spare real…
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WSL3 Performance is about 5-60% faster than WSL2 depending on the workload
With the release of the WSL 3.x stack, Microsoft bumped the default virtualization runtime and advanced the shipped guest kernel from the 6.6 LTS branch up to 6.18. WSL upgrades often claim generalized performance gains, but marketing bullet points rarely translate directly to developer workloads. To see what actually…
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How I automate my home
Home IoT devices and programming
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Ad blocking with Raspberry Pi and Pi-hole
Learn how to use your Raspberry Pi for ad-blocking with Pi-hole and enjoy a distraction-free browsing experience on the Web and other services. Just a simple installation away!
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Glory is only 11MB/sec away (2023)
One thing is certain in life: if you’re getting something for a steal, someone is getting screwed, and it’s probably you elsewhere. This isn’t an anti-capitalist rant, it’s just the truth. Companies don’t exist if they don’t make money. Unless there’s some innovation, rest assured that you’re overpaying somewhere else.
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You might not need Redis
Redis is arguably the most well regarded tech of all. But many times you do not need Redis. Here are 3 examples from my last 3 jobs.
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Log by time, not by count
By default, log based on fixed time intervals rather than number of messages.
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GitHub Actions Pitfalls
During one of my assignments, I worked with GitHub Actions pretty much every day. I implemented workflows, created new actions, and helped people migrate their projects from jenkins to actions. As much as I like actions – and I like them a lot – there are some things that caught me off guard. I have collected some of…
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A Surprise AWS Bill
The tale of the July 4th surprise $2700 AWS bill. It is more nuanced than you think and might have exposed a bug.
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My VM is lighter and safer than your container
My VM is lighter (and safer) than your container Manco et al., SOSP’17 Can we have the improved isolation of VMs, with the efficiency of containers? In today’s paper choice the authors investigate …
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My Home Lab Server with 20 Cores / 40 Threads and 128 GB Memory
Update fall 2024 I have decided to decomission this machine and it is no longer in use.
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Should you use Let's Encrypt for internal hostnames?
Julien Savoie has written a brilliant post explaining how you can enable https on your intranet. This is useful for several reasons. It means your employees aren't constantly fighting browser warnings when trying to submit stuff internally. All your http traffic is encrypted. You don't need to install a self-generated…
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Why I Dislike EC2
EC2 is great if you need per-hour billing and instance provisioning. For everyone else, which is most, it's just really expensive and slow hardware.
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