Full control of the power settings in Linux with Gnome Desktop can be done through dconf-editor at org->gnome->settings-daemon->plugins->power. The default way to determine low battery, critical low battery and to carray out critical low action is by counting left battery time. You can change the way …

1. Type xrandr or xrandr -q in terminal to dispaly information of all available output device. Then you can use the following commands to set dual display.

   xrandr --output VGA1 --auto 
   xrandr --output VGA1 --same-as LVDS1 --auto
   xrandr --output VGA1 --mode 1024x800
   xrandr --output VGA1 --off
   

where VGA1 and LVDS1 should …

The kernel of Linux is usually very stable, but the existing free desktop environments are craps. Amongs these desktop environments I tried (Gnome, Xfce, LXDE and so on), none is even close to the desktop environments in Windows and Mac. I do not require desktop environments in Linux to be …

For many computers and laptops installed with Linux desktops, you can use shortcuts (usually Fn + Brightness_keys) to adjust screen brightness. This does not work for some laptops. Another way to adjust screen brightness is to use the following command.

    sudo setpci -s 00:02.0 F4.B=brightness_value

The value …

VNC on Linux is not secure. Most implementations of VNC servers for Linux allows password only up to 8 characters. Such a VNC server is very vulnerable to brute-force attack. This article discuss a secure way to use VNC. The VNC (vino) server is started only when needed, thus reduce …

To add an entry into the right-click menu in Windows, edit the registry following the steps below.

1. Open the registry. You can search for regedit in Windows Start menu and run it.

2. Navigate to the key HKEY_CLASSES_ROOT\Directory\Background\shell in the registry.

3. Create another key with any name (e …