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Install "openvpn" package and "network management framework (OpenVPN plugin)" the openvpn protocol has certificate authentication.
If you search for vpn in synaptic package manager you can find...

Take a look at this:
http://popcon.ubuntu.com/
I hope it helps ;)

Since you don't have a connection to the internet after uninstalling the network-manager package, the easiest thing to do is to install it again from the Ubuntu cd/dvd. So, go to...

jeremytaylor is correct, gnuplot doesn't like characters in numeric data columns.
You can simply comment the undesirable lines:


#'x' 'y'
1 2
2 4
...

If you want to label the axis in...

Yes the (No Xv) workaround works for gstreamer, but didn't you notice any decrease in image quality?
The result is the same as if you use the open source drivers instead of the nvidia ones.

By...

I am having a similar problem, at first I thought it was a problem with the gstremer but xine and vlc are all the same. I thought that the blue and red channels were swapped, but it also might be a...

It is called numerical methods because you don't have an analytical method to solve the problems therefor you don't have exact solutions.
The forum is for people to ask questions, not to demand...

I am also curious why you think you can demand anything, specially an exact solution for a transcendent equation!!!

I am also curious what kind of preparation are you having for an exam if you...

Just to add my personal experience:
I have learned C as my first language. And than I learned python in one day, because it is actually very easy and intuitive, specially if you already now C, but...

Here are two good tutorial to get you started.

https://help.ubuntu.com/community/WindowsDualBoot
http://www.howtoforge.com/the_perfect_desktop_ubuntu_gutsy_gibbon

Look in the Ubuntu community...