Linux Tips

Sometimes, in the graphical mode, we want to have full access to our system without using sudo or su. To enter the graphics mode in Ubuntu as root, you must do the following: If you have not yet set a password for the root user should do so now by typing in a terminal and running: $ sudo passwd root The system asks for the password you entered in the installation, then you must enter the new root password and confirm. Now you must use the command in the terminal and enter your root password. In GNOME you go to the menu System -> Administration -> login window . On the Security tab , mark Enable root user can log in and accept GDM. KDE is a bit more cumbersome. If you use KDM, open up the folder /etc/kde3/kdm. When you reach the file or folder search file kdmrc. Click the right mouse button on kdmrc ,and select " Edit as root ". Look for the line that say AllowRootLogin = false and change false to true . Save changes and quit.

Create your own login screens in ubuntu.. Components of a GDM Theme A GDM Theme is basically composed by: * A background image * A screenshot to be displayed in the GDM Configuration * Icons (images for the icon bar) * An xml file, where the actual theme is defined. This file allows the declaration of frames, images, the login box, caps lock warning frame, background, icons, multi-language captions, etc. * The GdmGreeterTheme.desktop file, which is not a true .desktop file, but it contains the name of the xml, screenshot and other information to be displayed in the GDM Configuration screen. 1. Create a theme directory... $ mkdir mytheme $ cd mytheme 2. Now copy the images to the directory and create a the xml file.... $ vi mytheme.xml In general, the first item to be changed is the background image. The background image must be at least as big as the screen resolution. In order to make the theme suitable to other users, it is a good idea to use at least 1600x1200 pixel images, as...