Black Screen when Installing Linux on Acer? Here's a workaround to enable the display backlight!

Boot your Linux live CD/DVD

1. In the boot screen of Linux live CD/DVD press Tab and add 
i915.broken=1
2. Press Enter

After the installation on the hard drive the computer should reboot now

1. In the boot screen of Linux live CD/DVD press Tab and add 
GRUB_CMDLINE_LINUX="acpi_osi=Linux"
2. Press Enter
3. When the system loads try press the key shortcut to adjust the screen backlight, in my case <Fn> + <Left/Right Arrow> 
4. Open the terminal a type sudo gedit /etc/rc.local and add
   setpci -s 00:02.0 F4.B=00;

Useful Keyboard Hotkeys for Linux

Alt + F2 ➜ Graphical Run Application
Ctrl + Alt + L ➜ Lock Screen (Works in almost all distros)
Ctrl + Alt + F1 ➜ Switch to the first text terminals.
Ctrl + Alt + F7 ➜ Switch to the first GUI terminal (if X-windows is running on the 7th terminal, where it typcially is).

Source: linux.about.com

Actualização de firmware Zyxel P-660W-T1 da Sapo

Para quem tem um router wireless Zyxel P-660W-T1 da Sapo, aqui fica a última actualização do firmware.

Fichas Resolvidas BD_2011-2012

Aqui esta, se encontrarem algum erro nas fichas, por favor comentem!

BD_2011-2012
Database Systems - Erasmus

How execute the Prey configuration panel in Linux?

Type in terminal:
gksu /usr/share/prey/platform/linux/prey-config.py

And type your admin/root password.
After you configure Prey properly check if the daemon is running

sudo /usr/share/prey/prey.sh --check

Change Linux Mint hostname properly

Open the terminal and to install the NetworkAdmin type:
sudo apt-get install gnome-network-admin

Next type:
gksu network-admin

You can now change the hostname properly!

Edit or Remove Connections in Linux Mint 12

In terminal type:

nm-connection-editor