Category: Code
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Rebuilding Cricalix.Net – Part 3
Stumbling blocks and annoyances NGINX and certbot’s default permissions EFF’s certbot writes certificates to /etc/letsencrypt/live/<certificate hostname>/<files>.pem, and sets the permissions to only allow root to read the files. This makes sense from the perspective of a system where processes that need certificates will probably spawn as root, read the certificates to memory, and then spawn…
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Rebuilding Cricalix.Net – Part 2
LXD’s Documentation It’s mostly decent. It’s got a lot of detail on what all of the configuration sections are and generally provides examples. What I find missing is a set of practical documentation that guides someone through getting started with LXD – weaving together all of the configuration for devices, proxies, storage volumes, profiles and…
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Rebuilding Cricalix.Net – Part 1
I’ve been hosting cricalix.net and other domains on Linode for years. There have been a few hiccups over that time-frame, but it’s generally been smooth sailing. The current VPS runs NGINX for web hosting (it was Apache until earlier this year), Postfix for SMTP, Courier for IMAP, and OpenVPN for VPN. Everything runs on one…
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Colour-cycling a Christmas Star
A few years ago, at a Christmas market in Germany, I bought myself two pack-flat cardboard stars. They’re meant to use a specific light fitting, but in 2019 I bodged them on top of some simple bedside lamps from Woodies, and in 2020 I hung one using a USB cable that was connected to a…
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Getting and displaying tide data
The DMYC has an IP camera pointed at the slip; the URL is very creative, it’s slipcam.dmyc.ie. Through the power of a Python script that knows how to talk to Twitter and another API, the image that gets sent to a browser has an overlay at the bottom with the current wind data from the…
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Eir F3000 (F@st 5366) pains redux
With Eir being unreachable via phone, I decided to poke the router they sent me, to see if I could tamper with the request that was causing issues. Basically, in the set of four requests that were XHR’d over to the router, I wanted to drop the first one. First stop, a tick in Firefox’s…