Monthly Archives: April 2009

No LFE (Low-Frequency Effects) in Ubuntu 9.04 (Jaunty Jackalope)

Posted by on April 30, 2009 1 comment | This post has 504 views.

There is a new catch if you want to enable 5.1 surround sound in Ubuntu 9.04. First you need to follow the same steps like you did for Hardy Heron. There is an old post I wrote about it.
In this new version of PulseAudio they don’t synthesize an LFE signal anymore by default.
They introduced this new option called disable-lfe-remixing.

When upmixing or downmixing ignore LFE channels. When this option is on the output LFE channel will only get a signal when an input LFE channel is available as well. If no input LFE channel is available the output LFE channel will always be 0. If no output LFE channel is available the signal on the input LFE channel will be ignored. Defaults to “on”.

The solution to get you bass back is to set this option to no.
As a result, here are the steps you need to take:

Uncomment the line containing:

and replace '2' with '6' (if you have a 7.1 card, replace '2' with '8').
Next, set disable-lfe-remixing option to no

Restart your computer and you’re in business.
NOTE: Documentation for this article is taken from here and here.

Apply themes to GTK apps running as root

Posted by on April 13, 2009 No comments | This post has 795 views.

When you install custom GTK themes, applications running as root will still look ugly.
To make your current installed themes available to the root account as well, you just need to run these in your terminal:

Enjoy!

Songbird: glibc 2.8 detects invalid free() pointer

Posted by on April 10, 2009 No comments | This post has 629 views.

Sometimes I use Songbird to listen to my music files or internet radio. On some systems running Ubuntu 8.10 it does not run. The error is a known bug reported by some people.
The resolution is simple. Just remove libvisual-0.4-plugins.

Enjoy your music!

Install Django on Ubuntu 8.10

Posted by on April 9, 2009 3 comments | This post has 642 views.

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.
To install it on your Ubuntu, follow the next steps:

1. Install python (if you have it installed, skip this step)

2. Download the tarball from the Django Project website. You can download this file to your home directory.

3. Now we can just move this entire package to somewhere logical. You can move it anywhere you like, but remember to modify the links accordingly. I use /usr/local/lib/.

4. Link to it from the Python site-packages directory, and create a link to the django-admin.py executable.

5. Test it by changing to your home directory and running django-admin!

You should see this:

6. Happy programming!