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Structuring Your Infrastructure as Code
If you’re thinking of migrating to another infrastructure as code tool (and why would you, everything is great in the IaC world now, right?!) you might find yourself asking yourself
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The latest blog posts to take off on Hacker News. 1,839 posts.
Infrastructure & DevOps
Any year
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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…
513
The Amazon Prime Day 2023 AWS Bill
How much would AWS cost for Amazon Prime Day? Here's Corey Quinn's best guess at the company's AWS bill for the two-day shopping event.
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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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Privacy friendly ESP32 smart doorbell with Home Assistant local integration
Privacy focused “smart” doorbells seem to be few and far between so I decided to build one that integrates with Home Assistant via ESPHome and is easy to build.
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Testing on production
It might seem like a click baity title but it’s not. Let me explain.
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Notes on running a single-person Mastodon server
Notes on using a single-person Mastodon server
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Squeeze the hell out of the system you have
When complexity leaps are on the table, there’s usually also an opportunity to squeeze some extra juice out of the system you have. By tweaking the workload, tuning performance, or supplement…
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My Overkill Home Network
In this post I will hopefully detail my entire home network. Some of this has been in separate posts explaining single items, but nowhere do I have all of the network in one post with all the changes since last year. Here is a full shot of the rack in
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I don't want to host services but I do
I don't want to self-host and think most individuals shouldn't host services for others. Yet I do it anyway, and even teach people how to.
522
Graceful behavior at capacity
Suppose we’ve got a service. We’ll gloss over the details for now, but let’s stipulate that it accepts requests from the outside world, and takes some action in response. Maybe those requests are HTTP requests, or RPCs, or just incoming packets to be routed at the network layer. We can get more specific later. What…
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Monitoring your logs is mostly a tarpit
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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GitHub Actions and vanity metrics
The measure of a modern software engineer in our attention economy is easily calculable thanks to companies like Microsoft acting both as bastion and companion in demonstrating one's prowess.
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Systemd auto-restarts of units can hide problems from you
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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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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The Reluctant Sysadmin's Guide to Securing a Linux Server
I wrote a follow-up to this guide, which you should probably consider along with this article.
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VyOS From Scratch – Edition 1 (set up your own router)
As a VyOS evangelist, maintainer, and more, I’ve been meaning to write a simple series of “how-to” guides for VyOS for a while. Sure, there are plenty of guides out there, but I think a lot of them fall short in demonstrating WHY you are entering specific commands.
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On the future of free long term support for Linux distributions
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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Building and operating a pretty big storage system called S3
Three distinct perspectives on scale that come along with building and operating a storage system the size of S3.
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“It works on my machine” turns to “it works in my container” (2019)
You had things running with occasional glitches and there was always an excuse “It works in my machine” as there is rarely identical…
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AWS networking concepts in a diagram
Before March 2023 I couldn’t for the life of me understand what was going on in the AWS VPC dashboard. I mean, look at the length of the scrolling bar on the left-hand panel! So, with the goa…
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Rethinking Infrastructure as Code from Scratch
Recently I’ve been thinking a lot about infrastructure complexity, and the current state of infrastructure as code. This is problem space that many talented people are tackling.
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Cold restart whole system after total outage
"What are folks’ views on systems so large where cold-starting the whole system is almost impossible?"... — M'colleague, Shivam, In A Slackroom Next Door.
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What's wrong with enterprise Linux
An examination of what is wrong with the Enterprise Linux model and a recommendation for a middle ground.
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How I run my servers (2022)
I've been writing recently about servers and internet infrastructure 1 . A lot of this writing is predicated on running server software on a VM or physical machine, rather than using a more cloudy solution, which is somewhat unpopular these days. However, I think it's a pretty reasonable way to do things, and it's not…
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Gandi.net updates pricing, increases rates by up to 1000%
According to an email sent to its customers in mid-June, Gandi.net, a major European domain name registration and web hosting company, is increasing prices across its entire suite of products.
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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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FreeBSD Jails Containers
FreeBSD networking and containers (Jails) stacks are very mature and provide lots of useful features … yet for some reason these features are not properly advertised by the FreeBSD project &#…