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Moving my serverless project to Ruby on Rails
Serverless is like a black hole. It promised exciting adventures, but the gravity sucked me in and I spent most of my efforts dealing with its complexity, in...
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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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Migrating Large Heroku Postgres Instances to AWS Aurora Without Downtime
In this article I discuss a general process I used recently to migrate a large multi-terabyte Heroku Postgres Database from the Heroku Platform to Amazon Aurora Postgres on a live Heroku based application architecture with near zero downtime and builtin failover during the process.
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One Week of NixOS
The website of Jae.
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We are building a CLI first PaaS without a web frontend
At the start of this hectic year I have joined Micro, an open source microservices platform. The company was born out of a Go framework. We took the concepts...
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Microservices – architecture nihilism in minimalism's clothes
Some recent backtracking from what we have been calling "Microservices" has sparked anew the debate around that software architecture pattern. It turns out that for increasingly more software people, …
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Building Containers Without Docker
In this post I'll outline several ways to build containers without the need for Docker itself including buildkit, kaniko, GitHub Actions, GitLab and Jenkins
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Logs, Tails, Long Tails (2013)
Learn the shape of the logs of probability distributions, and you’ll be able to guess how they behave.
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AWS NLBs and the mixed up TCP connections
One of my services was running into timeouts, because connections were being reset by clients. I had assumed that it couldn't be the Network Load Balancers (NLB
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AWS and their billions in IPv4 addresses
Earlier this week, I was doing some work on AWS and wanted to know what IP addresses were being used. Luckily for me, AWS publishes this all here https://ip-ranges.amazonaws.com/ip-ranges.json. When you go through this list, you’ll quickly see that AWS has a massive asset
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So you want to build an embedded Linux system?
(Heads up — this article was published in October 2020. Much of the general discussion is still relevant, but many of these SoCs are getting quite long in the tooth, and some of the software issues mentioned here have been addressed)
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Microsoft is not rebasing Windows to Linux
The choice will not really be Windows or Linux, it will be whether you boot Hyper-V or KVM first, and Windows and Ubuntu stacks will be tuned to run well on the other.
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Git scraping: track changes over time by scraping to a Git repository
Git scraping is the name I’ve given a scraping technique that I’ve been experimenting with for a few years now. It’s really effective, and more people should use it. Update …
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WSL2 – Installation Tutorial for Graphical Windows Subsystem on Linux
In 2001, Microsoft's former CEO— Steve Ballmer— was quoted by the online tech news publication, The Register, saying: Linux is a
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Benchmarking static website hosting providers
Static websites are still a hot topic. They are fast, and they're incredibly secure because there isn't a CMS to hack. Once you build a static website, however, the question becomes: Where do I host?In other words: what is the fastest static webs...
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Repurposing my old Chromebook to a low power home server
Can’t sell it? Repurpose it! It was around 4 years ago when I bought a used, slightly beat up Asus C300 Chromebook from a friend of mine for £50. It served me well, I installed Linux on it and used it to work on some side projects while commuting. However as time passed by, I slowly forgot about it and it ended up in…
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How to properly manage SSH keys for server access
This article was on the hacker news frontpage. You can find the related discussion here. Every developer needs access to some servers for example to check the application logs. Usually, this is done using public-private key encryption where each developer generates their own public-private key pair. The public keys of…
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Creating a Home IPv6 Network
One of the recent experiences of Linux Plumbers Conference convinced me that if you want to be part of a true open source WebRTC based peer to peer audio/video interaction, you need an internet address that’s not behind a NAT. In reality, the protocol still works as long as you can contact a stun server to tell you…
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Backing up data like the adult I supposedly am
Like so many things I’m supposed to do but don’t — getting exercise, eating right, sleeping well, standing up for women and minorities in public spaces — backing up my data has always been something I’ve half-assed at best.
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Raspberry Pi as a local server for self hosting applications
Raspberry Pi for self hosting applications, locally secure private connection, install Tor Proxy, emby media server
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How to stream audio from your phone to your laptop with PulseAudio
This guide describes how to stream audio from your smartphone to your computer over Bluetooth.
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Letsencrypt, the Good, the Bad and the Ugly
Letsencrypt is a pretty neat concept: free secure certificates for web servers, in order to increase the adoption of HTTPS across the web. The basic idea is that certificates should be free, that the barrier to install them should be as low as possible and that updating certificates should be automated. It protects…
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How to take back control of /etc/resolv.conf on Linux (2018)
Take manual control of your Linux system’s DNS resolution and keep programs from interfering with and overwriting your resolv.conf file.
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Libvirt – The Unsung Hero of Cloud Computing (2013)
Place where I write articles, essays and information on topics which interest me, to share with others