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This thread is very old, but for anyone that is still looking for a simple solution:
http://stackoverflow.com/questions/10739390/how-to-programmatically-change-volume-in-ubuntu

Superpico, I get that same error sometimes, but it keeps working (icons that are normally in the Unity tray have then moved to the Xfce panel tray.)
Maybe it helps putting a line

sleep 10
before...

This is a HOWTO to use programs like Workrave that require a good system tray to work in Unity. I was very annoyed by Unity's lack of a good system tray that I found a different solution.

Note:...

There's also one called 'mlview' in the repositories. It's a very simple program, but it includes an validator and an XSL transformator button.

See:
http://www.uzbl.org/wiki/metacity-tabs

Because I hadn't found it in the first place, and I didn't like it, I have written my own script:


#!/usr/bin/python

import sys, os

You don't have to reinstall Ubuntu for such simple things. This is something where you don't have to be root (admin) for. And then it is very, véry unlikely that you break something that needs...

Nice program, so useful.

You can also install it with this command:


sudo apt-get install posterazor
Installing programs this way is always better than downloading it from a website (now...

Or you could try plugging the keyboard out and in your computer

That is definitely the bug we're talking about.
For advanced users: see the bug report, there is also a way to install the source package of compiz-core, without this bug. It's quite simple.

It has been updated: 2009/09/01

For who doesn't know where to find the source.
To download the source, go to support.asus.com
Select "Download" at the top
In the middle, select "motherboard" as...

I think it's best to create the parititon, then install Lucid and after that set fstab so it'll be automounted, and copy all the data after the upgrade.
You don't know what will be happening with...

See http://forum.ubuntu-nl.org/hardware-en-drivers/canon-mp640-en-kubuntu-9-10/msg530179/#msg530179, if you are Dutch.

The root account is the "administrator" of the system. The username is 'root' and the password is given by installation (or changed if you have changed the root password).

The easiest way is to...

When you do a fresh installation, all additional programs and all files are gone. So if you do this, you should backup all your data. This results in a clean install.

But when you do an upgrade...

The whole ubuntu filesystem is in the filesystem.squashfs file, but i don't know exactly where. You can try C:\wubi\casper\.
Once you have found the file (the whole filesystem of the wubi...

I had the same problem with the mp640 printer.

After a few months (now) I got it working.
The solution was at http://wiki.ubuntuusers.de/Canon-Drucker.
And at...