Installing Windows GPLPV Drivers in Xen

I’ve done this enough times to know it by heart but I remember when I tried to find documentation on this step I ran into countless inaccurate and outdated examples.  So here’s what I do to get the Windows GPL PV drivers installed under Xen. Download the drivers from meadowcourt.org.  As of 1/18/2012 the latest …

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Researching Redis on Rails

I’ve been researching how good a fit Redis might be for a project or 2.  One project needs a memory based key-value store generally without persistence, which would seem to suggest memcached.  However, there may be times where persistence across reboots may be desirable and Redis’ atomic operations and data types may also be useful.  …

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The sad state of linux desktop environments

I run Ubuntu on my desktop and have since Ubuntu’s first release (4.10) and the current release, 11.10, is the first that I am going to skip over entirely.  The reason is that the choice of desktop environments is poor.  I upgraded my HTPC to 11.10 and tried every desktop environment available: Gnome Shell, Unity, …

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Fixing ALSA sound issues

Ony my desktop I’ve removed pulseaudio because I found it to be more trouble than it was worth.  So I use ALSA, which works pretty well.  However, sometimes my audio dies and produces chirps and squeaks only.  I found the easiest way to fix this is the following command: sudo alsa force-reload

how to disable Rack::Cache in Rails 3.1

Couldn’t find this anywhere but what I found worked was to put this in config/application.rb: require ‘rack/cache’ config.middleware.delete Rack::Cache This did fix the issue that sent me to this, as many people are likely to run into. The issue was that since Rack::Cache uses the default Rails FileStore that lots and lots of small files …

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