Category: Technology
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Running emoncms in a Linux container
When I was renovating the house I currently live in, I picked up an EmonTx v3 and some clip-on current sensors from OpenEnergyMonitor.org so that I could monitor the house power consumption more accurately than just getting a bill every 2 months from my energy supplier (even with a smart meter installed, they only provide…
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Rebuilding Cricalix.Net – Part 4
While on holiday, I read a forum post that mentioned a “new” web server called Caddy. I took a look at it, and was intrigued by the integrated TLS certificate renewal using Let’s Encrypt. With NGINX or Apache, I have to run Certbot or similar to maintain the certificates, and I have to deal with…
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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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Windows 10, laptops, and “don’t turn this display on”
Windows 10 has an option in the advanced display settings to toggle a display (when using multiple displays, like a laptop with an external display) to “Remove display from desktop”. I have my work laptop plugged into two external displays, and for reasons I can’t remember, I have Windows configured to not use the laptop…
