Category Archive: gotchas

Jan 13

It’s a Trap: Losing Faith in Protex

Protex snippet match does not behave as expected.

Jan 12

Part of what makes Open Source analysis “interesting”

You unlock this door with the key of imagination. Beyond it is another dimension: a dimension of sound, a dimension of sight, a dimension of mind. You’re moving into a land of both shadow and substance, of things and ideas. You’ve just crossed over into… the Open Source Zone. — Not Rod Serling Consider a …

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Jan 02

How to make Ubuntu Snappy no longer snappy

In wishing to test my Snappy Swarm — scripts to run Docker Swarm under Ubuntu Snappy (work in progress, but almost ready for a release) — I decided to try running the scripts inside a Virtualbox instance spawned by Vagrant. kvm doesn’t work inside virtualbox, so qemu was the way to go. I’m modifying the …

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Sep 16

Docker Volumes Quirk

When specifying volume paths in a Docker run command, extra slashes can cause things not to work properly.

Jul 27

Using Openstack/Devstack Floating IPs from outside

I hope that this is of use to someone. After many hours of tearing down, building up, programming routers, etc., I’ve figured out why my devstack wasn’t allowing access from floating ips. I knew that the address was resolving (arp -a); I just couldn’t ssh to it (or do anything else with it) It was …

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Jun 22

cygwin and torquebox and rvm, oh my!

rvm, despite being wonderful, doesn’t play very well with torquebox under cygwin. In particular, the gem paths are not working. So, in order to fix this, simply do: rvm use system And then it will work right. Once you’re done with the torquebox work, you can go back to using rvm.

Aug 04

rsh hates nohup

rsh has issues with nohup. Yes, I know rsh is evil. It wasn’t my decision.

Jun 09

Torquebox and Cygwin: Take I

Torquebox and Cygwin don’t work as nicely together as one might hope. That said, here are a couple of findings: In order to deploy, you need to set the $JBOSS_HOME with the Windows path.  You can do this via export JBOSS_PATH=cygpath -w PATH_TO_JBOSS. Additionally, the JRUBY_HOME needs to be a windows path as well.   Otherwise …

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Mar 02

Rails & JRuby in a Jar

This is a discussion of what I needed to do to put rails and JRuby together in a single jar.

Jul 29

JBoss port confusion

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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