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My random knot in the Web

Older articles (5/26)

  1. De-facebook your internet

    Since I do not enjoy being a product for facebook to monetize, I’ve decided to de-facebook the internet, at least for me.

    This article assumes you’re running your own DNS server. The code in this article can generate configuration data for dnsmasq and unbound.

    date: 2021-10-22
    modified: 2021-12-04
    reading time: 2 min.
    category: howto
    tags: DNS
  2. Installing Openstreetmap data on a Garmin zūmo 340LM

    This documents how you can install openstreetmap data on the Garmin zūmo 340 LM. This procedure probably also works on other Garmin devices, but I haven’t tested that. The commands listed in this article assumes you’re using a UNIX-like operating system. While most of the actions could be performed on ms-windows, I haven’t run that in decades, so I’m not the person to give advice about that

  3. Commuting on a zero DSR

    At the end of 2020 I purchased a Zero DSR to use as my main transport for commuting. These are my experiences after approximately the first year.

  4. Decoding temperature data logger files

    At work, we recently bought an EBI 40 TC-01 6-channel temperature logger. It saves data in a file with the ed3 extension. It comes with a ms-windows program to show the data and export to CSV and ms-excel.

    However, I want to be able to use the data on my FreeBSD workstation. So I have to figure out the data format of the ed3 files.

  5. Building an epub from a single ReStructuredText file

    The sphinx documentation generator is a an excellent tool. It was written to generate documentation for Python, but is used by many other projects as well. Its source format is ReStructuredText.

    These webpages are written in ReStructuredText as well, and I also use this format for other bits and pieces. On occasion, I want to convert a single ReStructuredText file to an epub. This article documents how to do that.

  6. Continuum properties of aluminium honeycomb

    Honeycomb cores are often used in composite structures as an alternative core material to e.g. polymeric foams or end-grain balsa.

    In FEA we want to be able to treat honeycomb as a continuous material instead of having to model individual cells. Otherwise even simple FEA models involving honeycomb would become unmanageably large.


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