nVidia GeForce8 powersaving features

1. ondemand vblank interrupts.
The X xorg.conf subsection for the video driver needs this line:
Option “OnDemandVBlankInterrupts” “true”
I just tested it and must say it is indeed effective! the 60 wakeups per second that wakened up my system before due to the vertical refresh (of 60Hz) are now disappeared! I still have [...]

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get back coloured bash!

do you miss a coloured bash?
here’s how to get colours back!
either choose:
1. edit /etc/bash.bashrc and add [code] alias ls="ls --color=auto" [/code] for enabling it globally
2. edit .bashrc and add [code] alias ls="ls --color=auto" [/code] for enabling it locally for the current user and also the one in /root/.bashrc if you want to keep colours [...]

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Gnome network manager automatically connects to wrong networks!

gnome gconf remembers networks you have been connected to and stores them in a preferred networks list, then at the login it choses to automatically connect to the network with most powerful signal and less encryption.
“Preferred networks list” is located at .gconf/system/networking/wireless/networks/ folder in your home directory (note the initial dot, it is a [...]

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change keyboard layout in shell

to change keyboard layout within the shell type
sudo dpkg-reconfigure console-setup
and
sudo dpkg-reconfigure xserver-xorg

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Updating fonts cache

To update fonts cache in order to see just installed fonts in home .fonts directory type
sudo fc-cache -f -v
sudo dpkg-reconfigure fontconfig

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Condivisione connessione di rete

sinopsi:condivisione connessione internet con altra scheda di rete
messaggio di errore: connessione lan già configurata con l’indirizzo ip richiesto per l’indirizzamento automatico
causa: la connessione internet avviene tramite gateway/router e l’indirizzo ip della connessione internet è del tipo 192.168.0.1, dal momento che windows imposta la condivisione privata con ip 192.168.0.1 due interfacce non possono coesistere con il [...]

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HowTo: Ubuntu Linux on HP Pavilion series laptops

QUESTA GUIDA E’ DISPONIBILE ANCHE IN ITALIANO (aggiornata di rado)
This guide guides you through Ubuntu Linux setup and tweaking. It applies to all HP Pavilion computers with Intel Centrino processors, Santa Rosa platform, and AMD Turion platform.
Almost almost all features of HP Pavilion DV2000 DV6000 and DV9000 series are fully supported by newest Ubuntu: Installation [...]

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Guida per Ottimizzare Ubuntu Linux sui portatili HP Pavilion

This guide is also available in English (more frequently updated)
Questa guida guiderà all’installazione ed ottimizzazione di Ubuntu Linux ed è valida per i computer HP Pavilion con processore Intel e AMD. Nonostante l’apparente lunghezza della guida vi anticipo che la più recente versione di Ubuntu supporta perfettamente tutte le funzioni delle serie HP Pavilion DV2000 [...]

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Setup Windows Local Recovery Console

To setup a local copy of windows recovery console (handy if your system has crashed and you do not have the windows setup cd at hand):
insert your windows setup cd in the cd reader,
type META+R (meta being the windows logo button)
then type in D:\i386\winnt32.exe /cmdcons
where D:\ is supposed to be your cdrom reader drive letter.

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