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4.4. Disabling Command Line Access

To completely disable command line access, you will need to make configuration changes in a number of different contexts:

  • Set the disable_command_line gconf key, which prevents the user from accessing the terminal or specifying a command line to be executed

  • Disable the Command Line (Mini-Commander) applet

  • Disable console switching by editing /etc/X11/xorg.conf

  • Remove the Open Terminal menu item from the desktop background menu

These steps are described below.

Setting the disable_command_line gconf key

Set the /desktop/gnome/lockdown/disable_command_line key by using GConf editor as shown in Figure 4-6. Setting this key also disables access to the Run Application panel dialog.

Figure 4-6. Setting the disable_command_line GConf Key

Disabling the Command Line (Mini Commander) applet

To disable this applet, you will need to add the applet IID OAFIID:GNOME_MiniCommanderApplet to the list of disabled applets. Refer to Section 4.3.1 Disabling Applets for information on disabling applets.

Disabling Console Switching

Access to all virtual consoles can be disabled by adding a DontVTSwitch option to the Serverflags section in the X configuration file /etc/X11/xorg.conf.

Section "Serverflags"

Option "DontVTSwitch" "yes"

EndSection
Removing the Open Terminal menu item from the desktop background menu

The menu containing the Open Terminal menu item will automatically be removed when all desktop icons are removed by unsetting the /apps/nautilus/preferences/show_desktop key. When this key is unset, Nautilus no longer controls the desktop. Refer to Section 4.6 Removing Desktop Icons for instructions for unsetting this key.

 
 
  Published under the terms of the GNU General Public License Design by Interspire