Matt Williams

Author's details

Name: Matt Williams
Date registered: August 9, 2008
URL: http://matt@matthewkwilliams.com

Biography

Matt Williams lives in Columbus, OH, in a house filled with computers, cats, books and fiber. Pursuing the goal of being a modern Renaissance person, he plays with his daughter, cooks, roasts coffee, reads, weaves, studies, and hacks, including crazy ideas like a Cloud in a Box. Docker has been an especial passion since June of 2013.

Latest posts

  1. Weaving with Light Pt. 1 — August 31, 2016
  2. Abusing HAProxy: Stupid Simple Easy Dashboards — June 24, 2016
  3. Rules for Operations — April 25, 2016
  4. DevOps Creed (Work in Progress) — April 24, 2016
  5. I am not a Mindreader: a mini-saga — April 11, 2016

Most commented posts

  1. Swarming Raspberry Pi – Part 1 — 13 comments
  2. Docker, Cgroups, Memory Constraints, and Java: A Cautionary Tale, or Here be Reapers (sometimes) — 9 comments
  3. Shrinking Docker Images — 7 comments
  4. Rails & JRuby in a Jar — 7 comments
  5. rspec, restful_authentication, and login_required — 6 comments

Author's posts listings

Feb 15

Nifty Things for Week Ending 14 February 2016

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It’s Moving! Akiyoshi’s illusion pages Puzzles Java Puzzlers Emacs Tips EmacsWiki: No Tabs — How to ensure that whitespace in code that is spaces not tabs. If you want to change tabs to spaces in existing files, select a region and run untabify.

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Feb 11

Docker: Could not find container for entity id

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Docker, gotchas, howto, troubleshooting

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I had an instance where the docker filesystem ran out of space. After cleaning up with docker rm and docker rmi, I got:

I followed iwidanalage‘s suggestion from “Creating fail with Could not find container for entity id after upgrading to 1.9.0 · Issue #17691 · docker/docker”

After this, it worked.

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Feb 08

Nifty Things for Week Ending 7 February 2016

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fez

Fun Stuff collective animal nouns flashcards — a group of groundhogs are a repetition and armadillo are a … fez. Programming kristopolous/TickTick: JSON in your Bash scripts — also Objects in Bash…. Cloud Docker 1.10: New Compose file, improved security, networking and much more! | Docker Blog — There are some really nifty things changed…. …

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Feb 01

Nifty Things for Week Ending 31 January 2016

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I realized I’d missed doing this, so… here we go again 😉 Tools ggreer/the_silver_searcher: A code-searching tool similar to ack, but faster. monochromegane/the_platinum_searcher: A code search tool similar to ack and the_silver_searcher(ag). It supports multi platforms and multi encodings. junegunn/fzf: A command-line fuzzy finder written in Go Lightworks: The professional editor for everyone Tabula: Extract …

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Jan 30

Eight Free and Open Source Art Software Tools

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Art, Open Source, tools, utilities

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This list was originally compiled for Art & Design Explorer Post 407. Name Platform URL Image Type Uses Notes License Blender Linux, Windows, Mac http://blender.org 3D Animation Renderer, Animations, and Game Creation GPL Gimp Linux, Windows, Mac http://gimp.org Bitmap Drawing, Photomanipulation, Graphic Design Photoshop workalike GPLv3 Inkscape Linux, Windows, Mac http://inkscape.org Vector Drawing, Graphic Design …

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Jan 28

Cloudera Manager, Embedded DB and Docker

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cloudera, cloudera manager, Docker, howto, tips

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If you ever see a message like:

on startup and the Cloudera manager won’t start, it’s because you did not start the container in privileged mode:

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Jan 13

Tech Conferences and Political Statements

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deep thoughts, philosophy

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While at CodeMash last week I was surprised to see an extremely political t-shirt being worn by someone at one of the Sponsor’s booths. I am a firm believer in Free Speech, however the sight was disconcerting — to my mind CodeMash is a place for technical sharing and discourse. Their Code of Conduct states: …

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Jan 11

Codemash Talk & Slides

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algorithm, Codemash, Presentations

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My talk at Codemash 2.0.1.6 was pretty well received; there were just a few seats open and people standing in the back. I entertained questions throughout — and there were many! I went up to the very end of the hour and people hung around after. The slides can be found at http://aetherical.github.io/galloping_cuckoos.

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Jan 11

DevOps Talk Update

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conference, DevOps Days, Followup, Presentations

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The recording of my DevOps talk at DevOps Days Ohio is available online now at Ignite Talks Day 2 -DevOpsDays Ohio 2015 – YouTube. I’m the first speaker. I repeated the talk at Codemash 2.0.1.6 during their lightning talks — the recording of that should be available at some point. It will be interesting to …

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Dec 04

Seven Key Ideas About Copyright and Open Source

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Open Source

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Is it stealing if they give it to you? Maybe....

Disclaimer: IANAL. These are specific to US Copyright Law; they may or may not apply elsewhere. Additionally, this post is written in the area of Software and Open Source. Rules may apply differently to other forms of endeavor. The following are not meant to be exhaustive, but rather an introduction to rules of thumb to …

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