Category Archive: Computers

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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Dec 26

Advent Calendars for 2014

It’s a bit late, perhaps, but here’s a list of some of the advent calendars for 2014. QEMU Perl 6 Advent Calendar Catalyst Java Advent Calendar Gopher Academy 2014 Calendar Free Font Advent Calendar 24 Ways to Impress Your Friends A huge list of Advent Calendars can be found at Qiita. A “Planet” aggregator for …

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Dec 24

Merging Records with Uncertainty

I’m in the process of revisiting and migrating a service I’d first written almost five years ago; one of the backend data sources has changed (drastically!) so I’m looking at refactoring as well as streamlining in the process — parsing the new backend takes longer than the old. Part of the reason for doing so …

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Nov 14

Free Cloud Resources

This is a quick list of “free” cloud resources. Mirantis Openstack Express (Developer) Rackspace Developer + Google Cloud Platform Trial Openshift Free Elephant Postgres (free) Redis Cloud ClearDB (mysql) Stackato Cluster (up to 20GB)

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.

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