Monthly Archives: February 2012

No route matches “/rails/info/properties”

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After installing Phusion Passenger (also known as mod_rails)  and creating a Rails application to test the environment, I was able to view the default “Welcome aboard” page that is displayed on new apps, but got an error after clicking the “About your application’s environment“. This was the message displayed:

No route matches “/rails/info/properties”

This was happening because by default Passenger sets the RAILS_ENV to production. The solution was to set it to development. This can be done in a couple of ways, but I decided to add “RailsEnv development” to the Apache configuration file, inside de definition of the app’s virtual host.

Open MKV files in VirtualDub

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By default, VirtualDub does not support MKV / Matroska files. If you need to open a video in this format, you’ll have to use one of the workarounds available. The one that worked best for me is this:

1) Create a textfile (using Notepad or another plain text editor) with the following text:

DirectShowSource(“video-filename.mkv”)

Obviously replacing “video-filename” with the name of the MKV video you want to open. Give any name to the text file, but save it with the .avs extension, instead of the default .txt.

2) Open the .avs file you just created in VirtualDub. Make sure to have the video file in the same directory as the .avs.

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