14

Chapter 4. Locking Down the Desktop: Disabling GNOME Desktop Features

4.2. Disabling [Ctrl] [Alt] [Delete]

To prevent the key sequence [Ctrl] [Alt] [Delete] from rebooting the computer and from displaying

the Log Out dialog, you must make configuration changes at both the window manager level and at

the system level.

4.2.1. Window Manager Configuration

Setting the following gconf keys will prevent [Ctrl] [Alt] [Delete] from displaying the Log Out dia 

log.

1. Note in Figure 4 2 that the default global keybinding for [Ctrl] [Alt] [Delete] is attached to the

gconf key

run_command_1

.

Figure 4 2. Default Metacity Action for [Ctrl] [Alt] [Delete]

2. To change the window manager's interpretation of [Ctrl] [Alt] [Delete], change the

run_command_1

key

value

from

gnome session save   kill

to

something

benign as shown in Figure 4 3. (Note that the appropriate key to change is

/apps/metacity/keybinding_commands/command_1

.)