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Quorten Blog 1

First blog for all Quorten's blog-like writings

Interesting. If you include colorful pictures of brain scans inside of research articles, people will be more convinced that the article is sound, even if the information is irrelevant. This is not so much the case when the same evidence is presented using bar graphs and word descriptions.

20181002/https://twin-cities.umn.edu/news-events/research-brief-do-images-brain-make-us-more-likely-believe-what-we-read

Wondering how to install Docker/Kubernetes on a Raspberry Pi? Okay, installing Docker should be easy. What about Kubernetes, when you want to do other things on the Raspberry Pi at the same time? Well, I first looked at Minikube, but that may be too heavyweight, as you first start up a virtual machine… so for now I’d just say you can install Docker, but I’m not sure about the Kubernetes command set story.

20181002/DuckDuckGo minikube
20181002/https://github.com/kubernetes/minikube
20181002/http://jinkit.com/k8s-on-rpi/

HypriotOS is a lightweight Raspberry Pi distribution for Docker. Once installed, you can join a Raspberry Pi node into a Kubernetes cluster.

20181002/http://blog.hypriot.com/about/

Failed search.

20181002/DuckDuckGo raspberry pi single node kubernetes

Interesting. DuckDuckGo donations. So they’re supporting donations now? Well, not quite. DuckDuckGo is still itself funded by ads, but they donate to support other projects. Yeah, not quite what we want.

20181001/https://duckduckgo.com/donations

Terms of Service; Didn’t read. Yet another website that works on tagging, categorizing, and classifying terms and conditions into easier to read constructs.

20181001/https://tosdr.org/#
20181001/https://tosdr.org/classification.html
20181001/http://business.time.com/2012/08/10/new-site-grades-those-pesky-terms-of-service-agreements-you-never-read/

Important! So you know what you were saying about the problems with mesh networking in a smaller space? Well, it looks like despite the large square foot recommendations, you can still do pretty well with more access points in a smaller amount of space, especially if there are more walls built up. Just make sure to specifically buy models that have smaller antennas and lower transmit power so that you’ll minimize the cellular interference issue.

Also noted is the advent of more “consumer friendly” wireless mesh network systems.

20180930/https://www.nytimes.com/2017/04/26/technology/personaltech/mesh-network-vs-router.html

Okay, so now I’m wondering about Cloudflare hosting. Yeah, despite the criticism on Wikipedia, it seems that a lot of people use it, so it should be good to go with for my own use. So they provide free hosting? Not quite. Take a good careful look at the details: they provide a free CDN, free DDoS mitigation, and free DNS proxying. For hosting, as you’ll learn from reading the information on their website carefully, that is on a hosting provider of your own, i.e. your own Raspberry Pi server.

So, Amazon also provides a CDN. They call it Cloudfront.

20180929/https://www.cloudflare.com/
20180929/https://www.cloudflare.com/plans/
20180929/https://www.cloudflare.com/cdn/
20180929/https://en.wikipedia.org/wiki/Cloudflare
20180929/DuckDuckGo amazon cdn
20180929/https://aws.amazon.com/cloudfront/

Read on →

iRacing? How is that doing in recent years? Let’s look at Wikipedia. Oh, wow, interesting.

20180928/https://en.wikipedia.org/wiki/IRacing

So, over the years, people have slashed and deleted content from the iRacing Wikipedia article, significantly shortening the length and removing all pretty pictures. What is the rationale for removing all the pretty pictures? Remove excessive non-free content. Interesting that the editor said that, as anyone in the know of racing sims knows that racing sims are highly visual: using plenty of pictures surely is considered fair use. But that’s just the point: many people have stated that Wikipedia has a tendency to silence minority viewpoints due to “lack of notability.” That being said, it should become clear that racing sims are now considered one such minority in the Wikipedia community. Also, some disgruntled former iRacing users may have helped slashed down the Wikipedia article too. One of the users were named “IRacingIsScam.

20180928/https://en.wikipedia.org/wiki/Special:Contributions/IRacingIsScam

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Cracking open the case on the old DSL router is complete! Thanks to the use of the right JIS screwdriver set. Wow, it really is amazing, just like the videos online. You use a Phillips, and you can’t really grasp the screw at all. But, just by a few minor changes to the Phillips screwdriver geometry to a JIS screwdriver, suddenly you can really grip the screw and uncrank it with a lot of force, exactly what was needed for me to open up that router box.

Now that I can finally see and get access to the bare board, I spied two 6-pin headers, labeled JP603 and JP604. What do those do? One of them, the JP603 header, is most likely a CMOS serial console. Indeed, one of those could be JTAG, using the bare minimum number of pins required. Here’s is the bare minimum for JTAG pins:

  1. GND: Ground
  2. TCK: Test Clock
  3. TMS: Test Mode Select Input
  4. TDI: Test Data Input
  5. TDO: Test Data Output
  6. TRST: Test Reset

If you have a 14-pin JTAG header, nearly half of those pins just wire up to ground. So don’t worry, 14 pins aren’t actually needed for a JTAG connector.

Read on →

Motor vehicle? What does Wikipedia have to say about that? Oh, interesting. Mainly Wikipedia focuses on the car. Actually, it specifically says that trains are not considered motor vehicles because a motor vehicle doesn’t run on tracks. The United States had the highest per-capita car ownership in the mid-2000s, but it’s growth slowed during the Great Recession. Projected growth rates show that China’s and India’s car fleets will eventually surpass that of the United States.

20180927/https://en.wikipedia.org/wiki/Motor_vehicle

But, the really interesting thing that Wikipedia has to say about cars is how it compares the cost of motor vehicle transport with non-motorized transport, in the next article. Specifically, it mentions a measure introduced by Austrian philosopher Ivan Illich called consumer speed. Basically, you take the amount of money someone spends on their car for service, compute the amount of time it took them to earn that money, and add that time onto the total transit time. After all, this is, in fact, the amount of time and money spent solely for maintaining the car. Effectively, that adjustment slows down the total speed of the car. Matter of fact, some 1970s numbers basically put the consumer speed of a car to only 5 miles per hour, a commuting speed that less developed countries travel at without the use of a motor vehicle.

Rail was retired in many cities as motor vehicles made way. Nevertheless, eventually rail met a revival and was brought back into the cities.

20180927/https://en.wikipedia.org/wiki/Effects_of_the_car_on_societies

Read on →

So, you’re wondering. Can you get cloud hosting on a Raspberry Pi nowadays? Yes you can! I’ve found two solutions, both of which basically hinge around the concept of “colocation facilities,” but built specifically for Raspberry Pi servers, not PC-sized servers. The “best hosting” solution is based in Europe. Overall, it sure is nice as you can mail in your own Raspberry Pi and get it sent back to you when you are no longer using the service, but the big problem for me is that it won’t make sense for me to have my dedicated server based in Europe when I am based in the United States. That being said, unfortunately I’ve only found one such cloud hosting provider in the United States and it is not as nice as the European cloud hosting solution.

What are the prices for Raspberry Pi hosting? $4 on the “best hosting” service, $8 on the mininodes service. So, in some places the prices are really great, but it’s not quite a uniform phenomenon yet.

20180927/DuckDuckGo raspberry pi cloud hosting
20180927/https://raspberry-hosting.com/en
20180927/https://best-hosting.cz/en/raspberry-hosting
20180927/DuckDuckGo raspberry pi container hosting
20180927/https://www.mininodes.com/hosted-raspberry-pi-3-servers-now-available/
20180927/https://www.mininodes.com

Interesting, spiders can use electrostatic fields to propel themselves into the air. Not just that they can, but they do use electrostatic fields quite frequently as a means to propel themselves into the air.

20180924/https://www.theatlantic.com/science/archive/2018/07/the-electric-flight-of-spiders/564437/