Although you can use K9Copy to extract the audio track from DVD some times is more convenient to use the commanline.
Ripping the sound track of a DVD movie through the terminal can be achieved using transcode and lsdvd commands.

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A partire dalla versione ddi Ubuntu Karmic 9.10 il nuovo gestore dell’avvio GRUB2 viene installato di default sulle nuove installazioni (non negli aggiornamenti).
GRUB2 presenta una serie di miglioramenti, tra cui il supporto nativo per una varietà maggiore di filesystem, una configurazione modulare, il supporto per il ripristino automatico delle impostazioni in caso di necessità e, [...]

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In Ubuntu Karmic 9.10 the frequency scaling GNOME applet always requires a password in order to allow you to change CPU frequency or governor. This is due to policykit profiles enforcing some more strict security.
Helas these profiles are not editable trough the applet in System -> Administration -> Authorisation.
Fortunately, as always in linux this can [...]

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SquirrelMail is an OpenSource powerful yet easy to use webmail interface.
Setting it up is extremely easy. Here I am going to cover just a few not so obvious aspects of the setup process.
Download Squirrel Mail installation package from here:

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If you get the following error at login
The panel encountered a problem while loading OAFIID:Glipper
that means your computer if pretty fast and glipper loads too fast. The workaround consists in slowing down glipper starup a few seconds.

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If you are used to customize your GNOME desktop environment according to you needs you would probably end with a too much populated “open with” contextual menu. When you right click on some ODT, MP3, AVI or whatever file you could end with several duplicate entries for Okular, Audacious, VLC, Brasero etc. Getting rid of [...]

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here is a list of handy Ubuntu Linux DVD backup tools:

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There is a very simple command that reinstalls all the distribution packages and reconfigures them automatically. This is particularly helpful when you have done a partial upgrade and eventually have broken the system dependencies tree.
sudo dpkg-reconfigure -phigh -a
since this command would take a lot of time to process (~1 hour) depending on your hardware in [...]

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