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Why are large companies so difficult to rescue (regarding internal technology)
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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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How To Set Up Your Linode For Maximum Awesomeness
Feross Aboukhadijeh is a computer security researcher, teacher, web developer, designer, long distance runner, gamer, music lover, and builder of websites that (sometimes) go viral.
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Diskless Linux boot using ZFS, iSCSI and PXE
Diskless Linux Boot
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How to Get a North Korea / Antarctica VPS
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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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More random home lab things I've recently learned
From my series of "Christian's Home Lab adventures", here's some more things I've recently learned / discovered and figured are worth sharing: NVMe SSDs on a Raspberry PI, ARM64 adventures, more zfs troubles, and some cool tools you should try.
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Replace Dropbox with BitTorrent Sync and a Raspberry Pi
I like to take long running notes, jotting down an idea here and there when one pops up. I never know which devices I will have with me, so I like to have these notes synced across all of them.
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Ubuntu Snap update spoiled my World Cup Final
Goodbye Ubuntu, Goodbye Snaps I missed two goals in the World Cup Finals because of this. It’s not the first time Snap has been a problem, but it’s most definitely the last straw. What happened? I was happily watching the second half of the Fifa World Cup Final, using “ShowMax” – a South African paid … Continue…
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Turing Pi 2: 4 Raspberry Pi nodes on a mini ITX board
Last year I spent a bit of time building a Kubernetes cluster with the original Turing Pi. It was fun, and interesting, but ultimately the performance of the Compute Module 3+ it was designed around led me to running my homelab off some newer Pi 4 model B computers, which are at least twice as fast for almost…
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ZeroMQ instead of HTTP, for internal services
A post by August Lilleaas, published July 22, 2013.
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Self-hosted HTTP tunnels with SSH and Nginx
No extra software to install: OpenSSH remote forwarding and nginx's secure_link module give you a shareable HTTPS URL with an expiring token.
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Linux's Bedtime Routine
How does Linux move from an awake machine to a hibernating one? How does it then manage to restore all state? These questions led me to read way too much C in trying to figure out how this particular hardware/software boundary is navigated.
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Hostnames and usernames to reserve
If you're setting up a service where people can register their own usernames to be used as a hostname (username.example.com), email address (username@example.com), or URL path (example.com/username) within your domain, there are some common names you should avoid letting the general public register. Many …
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Potential Issues of Using a USB Powerbank as a UPS (2021)
On my recent review of the Blitzwolf BW-P12 10000mAh Power Bank, a reader commented asking whether that particular power bank could be used as a makeshift uninterruptible power supply (UPS) for USB…
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The Impending Cloud Reshuffle
A theory that cloud vendors will focus on the lowest layer of the infrastructure stack and startups will take over the software layer.
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CVE-2026-31431: Copy Fail vs. rootless containers
In the previous post about SELinux MCS and GitLab runners, I briefly mentioned CVE-2026-31431 (“Copy Fail”) as a motivating example for per-job VM isolation. After that post went out I spent the weekend setting up a lab to actually run the exploit, trace it at the syscall level, and verify that the rootless Podman…
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A Manager’s Guide to Kubernetes Adoption
Discussion on Hacker News This article and its topic were the subject of fairly detailed discussion on this thread here on Hacker News. Perusing through the comments should be well worth your time,…
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Creating my personal cloud with HashiCorp
I maintain a VPS which I use to self-host a variety of services that I use: Joplin Server, Seafile , as well as for hosting websites that I develop. For the past few years, that VPS has been managed with Docker Compose, but recently I decided to build something a bit bigger. My goals with the project:
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GitHub Actions as a time-sharing supercomputer
Learn how and why I turned GitHub's APIs into a time-sharing supercomputer from the 1970s to execute modern batch jobs.
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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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The Curse of Docker
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker.
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Run OpenBSD on DigitalOcean for $4/month
My homepage now runs on OpenBSD with httpd(8) and Let's Encrypt via acme-client(1) . I previously hosted it on GitHub Pages and then eventually moved to Cloudflare Pages because both options were free and easy. Free and easy is cool, and I understand that writing software full-time leaves us wanting absolutely nothing…
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A Nix terminology primer by a newcomer
Maybe I just haven't been paying attention before, but in the last year or so, there seems to have been an increase in discussion around the Nix package manager. This is also what got me to finally try it, and I'm very happy with the results, even if the road is a little bumpy.
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Using GNU Stow to manage your dotfiles (2012)
Adaptation, Algorithms and Ambience