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My Front suspension

On my Multi Cycle bike, I have a SR Suntour CR9, serial number TF00478709, Series: CR, Year: 2015, Name: CR 9V-D-P-LO 700C TS 300/0, from 2015. Read More »

Using ‘Require expr’ in Apache: Cannot parse expression in require line: syntax error, unexpected $end

We found that if you do what the Apache documentation says and put quotes around the expr: Require user victron Require expr "%{REQUEST_URI} =~ m#^/.well-known/acme-challenge/.*#" Read More »

More recent posts on YTEC blog

As Bigsmoke indicated, we had some issues with google not finding content. For the same reason, I would like to share my insight into some stuff I write about: Read More »

Recent posts on the YTEC blog

Ytec, where I work since July 31 2015, is an IT company specializing in customer-specific custom software ("klantspecifieke maatwerk software"). Somewhere in late 2015, YTEC deployed a fancy new website based on React, which, to my surprise, is actually indexed somewhat decently by Google. Still, I want to be able to find my own posts on the YTEC blog when I filter by “site:blog.bigsmoke.us”, which is why I'm listing my posts there here: Read More »

Sending mail from a NATed host with Postfix

When sending mail from a host behind NAT, you will run into trouble when the "From" says "root@host.localdomain", because receiving servers will refuse that domain. Read More »

Download dmcrypt (cryptsetup) encryption key from remote server and auto mount

One of the inconviences of encryption is the need to open the encrypted volume by hand when the computer/server boots. Luckily, you can easily automate that. You need a machine that will act as a key server. Read More »

Preventing degraded array on every boot

I had a server that booted with a degraded array every time, because there was a USB drive attached to it, that messed up the auto detection. I solved it by putting this in mdadm.conf: Read More »

Master PDF Editor for Linux

While trying to find out the quickest, cleanest way to install PDFedit program in Linux Mint, I stumbled upon Master PDF Editor for Linux, which is basically the same thing, but more advanced and closed source, but free for personal use. Read More »

Metabolism & Nutrition: learning objectives

Lectures Energy metabolism “Explain the Harris-Benedict principle.” Read More »

Tick bite log

About two months ago, I noticed, for the first time ever, the dreaded red circle around one of my first tick marks of this season. The mark was in the vicinity of the hollow of my left knee, and it was left by a tick that I had discovered about two days after it must have lodged there, plenty of time for it to dump its bacterial payload in my bload. This late discovery is fairly typical for me. I've never been very careful with registering tick bites, and over the year, I've discovered many ticks only after accidentally beheading them while thoughtlessly scratching their abdomen away. Read More »