31
AWS Customers Cannot Escape IPv4
AWS will charge for IPv4 addresses but its IPv6 support lacks severely
32
Linux Namespaces Are a Poor Man's Plan 9 Namespaces
A blog about free software and programming
33
34
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 .
35
36
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.
37
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...
38
39
Gokrazy is cool
Xe Iaso's personal website.
40
Farewell EC2-Classic, it’s been swell
It is time to celebrate EC2-Classic, which defined early cloud computing, and which is finally retiring.
41
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! 📦
42
43
The Linux Upskill Challenge
The Linux Upskill Challenge (https://github.com/livialima/linuxupskillchallenge) as done by Leo Robinovitch
44
From S3 to R2: An economic opportunity
Cloudflare's R2 is an undiscovered gem and is redefining the economics of data storage
45
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...
46
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…
47
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.
48
Just use a monorepo
In which I tell you that you're overcomplicating things and you should throw everything behind a single git repository.
49
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…
50
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.
51
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…
52
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.
53
54
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…
55
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…
56
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.
57
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
58
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 …
59
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.
60