Mar 27
Geekly Toys & Games B-EX, B the Flying Car, B GO Beyond Riding on street Car tracks — This looks like fun! Put a train horn on a bike and confuse everyone Hardware Rugged POD | Imagination is more important than knowledge — Open Hardware project for running waterproof, weather hardened servers without a data …
Mar 23
Size does matter. Docker images can become quite large as each RUN generates a new layer which becomes part of the image, even if it’s not in the final container. This wastes disk space and network bandwidth. The following are some steps for shrinking the size of a docker container in which builds have been …
Mar 22
I’ve made a port of gliderlabs/registrator to the raspberry pi. The repository for the Pi port is at: nimblestratus/registrator. At first glance, the part I find most interesting is the size of the resulting image — ~12M. I firmly believe it’s a direct result of starting from Alpine Linux. This will definitely warrant further investigation. …
Mar 22
This version is forked from http://github.com/progrium/docker-consul and runs on the Raspberry Pi. Thanks to Jeff Lindsay for all his hard work. I am merely standing on the shoulders of giants. This initial version is a bit largish — ~500Mb; I think it’s mostly due to needing a go build environment. I think I can use …
Mar 22
After a time, Docker containers and images build up and can eat disk space. Failed docker build invocations can leave a lot of artifacts behind. The following commands can help. Many of them say ‘not all containers could be removed’; this has to do with the header from docker ps. Usually this can be ignored. …
Mar 21
Here’s the first in a series of building a robust docker swarm of raspberry pi hosts. This installment goes through installing the Pi(s), modifiying the Docker Daemon config, and starting up a test to verify that everyone can join the cluster. The cluster which I am using consists of Raspberry Pi B+ x 5 Raspberry …
Mar 20
Welcome to the Vernal Equinox. Hopefully this means that Fimbulwinter is averted once more! Blast from the Past Random Quotes — using Ruby to get a random quote from ThinkExist Data Visualization 30 Simple Tools For Data Visualization | Co.Design | business + design Gephi – The Open Graph Viz Platform Datavisualization.ch Selected Tools dimple …
Mar 13
AT LAST, SIR TERRY, WE MUST WALK TOGETHER Philosophy & Lessons Learned 7 timeless lessons of programming ‘graybeards’ | ITworld Monitoring IEEE Xplore Abstract – Tracking Transaction Footprints for Non-intrusive End-to-End Monitoring Blast from the Past Oooh Shiny! Magpies don’t know what’s just enough! » Ramblings Raspberry Pi Intertech’s Complete Raspberry Pi Class Materials – …
Mar 06
Karojisatsu — PSA & Must Read Stephen, in his presentation, described a Japanese term called Karoshi – literally as “death from overwork.” I have seen this hundreds of times in our industry and I also have come close enough to understand the brink of Karoshi myself. … In the 1980s there was such a concern …
Feb 27
Cloud Computing fog – The Ruby cloud services library Docker SocketPlane strives to alleviate Docker networking challenges – TechRepublic Java Proving that Android’s, Java’s and Python’s sorting algorithm is broken (and showing how to fix it) The KeY Project — Integrated Deductive Software Design Programming DynJS | An ECMAScript Runtime for the JVM Social Consciousness …
© 2008-2016 by Matthew K. Williams
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