After upgrading to El Capitan I ran into a weird issue trying to update the github-pages Ruby gem. It failed saying it could not find libgmp, but I knew it was installed and updating it to the latest version didn’t help either. Here’s the output …
Since version 2 Ruby comes with DTrace probes, which lets you dynamically instrument a running program. Unfortunately the Ruby shipped with MacOS X doesn’t have DTrace enabled, when you try to list the available probes, you’ll see this: martin$ …
In a project I’m working on we have multiple application components which use sidekiq. I wanted to run just one docker container with sidekiq, and I was certain I could find information about how to run it in docker using a quick google search, but nope! …
An often used tool on UNIX is ldd, but that doesn’t exist on Mac - however I just found out that there is otool which can do the same thing: martin@vaccine$ otool -L /usr/bin/curl /usr/bin/curl: /usr/lib/libcurl.4.dylib (compatibility version 7.0.0, …
I’ve been blogging since I worked at Sun Microsystems and we setup blog.sun.com, and after abandoning the sinking ship when the Oracle behemoth swallowed it, I’ve kept my blog going in a couple of places as blog.codenursery.com. The time has come …
This is the personal blog of Martin Englund, and thoughts, opinions and advice expressed herein may or may not have anything to do with my current employer.