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

Aug 31

Quick thought on programming and distractions

Categories:

life hacking, philosophy

by

“The way is not in the sky. The way is in the heart.” — Buddha Too often it’s easy to spend hours days weeks far too long reading blogs and wilfing doing research.  Looking for that perfect tool.  Looking for a wonderful library.  Looking for a new technique.  Looking, looking, looking.  Almost like Hans Guck-in-die-Luft, …

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2 comments

Aug 25

Using jnp as a JBoss heartbeat

Categories:

Computers, jboss, jruby

by

jnp is a JBoss protocol which exposes jndi.  It is, by default, bound to port 1099.  I’d been using that port as a heartbeat, but “cheating” — I would open a socket and then close it immediately.  However, this caused problems.  jnp is chatty.  And it got upset at my not letting it say ‘hi’ …

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Jul 30

z-index and events

Categories:

Uncategorized

by

Today’s lesson has to do with z-index and events. I’d had a png with transparant portions that I wanted to use as a mask, so that information from underneath would not show. However, buttons, links, and hovers were not working — the top level element was taking the events and eating them. A change of …

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Jul 29

JBoss port confusion

Categories:

gotchas, jboss

by

Sometimes, JBoss reports that it is unable to bind to a port, saying it is already in use. However, this is not always the case.

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May 14

SSL Joys

Categories:

gotchas, howto, tips

by

The nice thing about standards is that there are so many of them to choose from. Andrew S. Tanenbaum I’ve been working with a Apache proxy to force SSL and https.  Well, I haven’t had any control over the certificates.  And they can come in so many versions, especially given that Microsoft wants to do …

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Apr 10

After long silence

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Uncategorized

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The hiatus has been due to me having been really sick with a weird neurological disorder.  I didn’t do any coding at all for over 2 months.  I’m starting to feel better, but I still have my good days and bad.  So, there will be updates.  Hopefully before not too much longer.

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Feb 13

New Ruby Blog

Categories:

administrivia

by

I’ve started a new ruby blog.  Whereas this one tends to longer posts (and not just ruby), the other is intended for short, tight pieces which focus on a single idea.  In general they will be in the format of “mini sagas“.  I’m shooting for daily updates on it. Ruby Blender

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Feb 11

Javascript with CSS Sprites Animation

Categories:

css, javascript, Uncategorized, web, web design

by

Animated Gif

One of the issues with gif animations is being able to stop and start them at will. This post examines a method of using javascript to control CSS Background Sprites for Animation.

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3 comments

Feb 06

Chibi gets an upgrade

Categories:

Uncategorized

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I’m going to have to send my “big” laptop off for servicing, so I upgraded chibi, or as my daughter calls it, “Baby yaptop”.  I upgraded the ram to 2gb — it was only $27 with tax.  I had held off on this because I didn’t want to “void the warranty”.  I found out today …

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Feb 05

Web Based Portable mysql tool suite

Categories:

glassfish, jruby, mysql, php, tools, utilities, web

by

Are you limited in what software you can use at work?  This article details how to have a web based tool suite for mysql.  It currently has the following tools: AjaxMyTop — a php implementation of mytop (think top for mysql) which runs in a browser. rbdb — a phpmyadmin work-alike in progress.  It’s the …

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