Category Archive: gotchas

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.

May 14

SSL Joys

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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Jan 14

SSL and Java Keystores

If you happen to change a machine’s name, be sure to delete the previous definition from the keystore.  Otherwise it will complain mightily and, indeed, fail when you attempt to add in the pem file.

Nov 14

Concatenation Note to Self

To concatenate in PHP you use a ‘.’, not a ‘+’.  Likewise, you don’t use ‘.’ to reference an object’s members, you use ‘->’.  Move along, nothing to see.

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