Web hosting comparison - 362 Part II . Getting Around in Linux
362 Part II . Getting Around in Linux Exam Tip Tip Both KDE and GNOME provide their own XDM replacements, which look better and provide more functionality. The new display managers are used by default when the environments are installed. Enabling and disabling XDM When enabled, the xdmapplication is started at boot by a runlevel script. Debian just adds the S99XDMscript to runlevel 2. With Red Hat, the default runlevel is changed from 3 to 5 to enable xdm. To disable XDM you need either to remove the startup script in Debian or to change the runlevel from 5 to 3 in Red Hat. This can quickly be done with a telinit 3 command. The xdm process is started from a runlevel script in distributions that use Sys V init. Configuring XDM XDM can be difficult and complicated to configure, since it has several files that must be maintained. The following sections cover the most important files to look at when dealing with XDM. xdm-config The main configuration file for XDM is xdm-config. This file sets the basic operation of xdm. For most installations it should never be changed, but if you configure your system to allow remote logins, you may need to make some adjustments. That is covered in more detail in the next section. The following is a sample of an xdmconfig file. ! $XFree86: xc/programs/xdm/config/xdm-conf.cpp,v 1.1.1.2.4.2 1999/10/12 18:33:2 9 hohndel Exp $ ! ! $XConsortium: xdm-conf.cpp /main/3 1996/01/15 15:17:26 gildea $ DisplayManager.errorLogFile: /var/log/xdm-error.log DisplayManager.pidFile: /var/run/xdm.pid DisplayManager.keyFile: /etc/X11/xdm/xdm-keys DisplayManager.servers: /etc/X11/xdm/Xservers DisplayManager.accessFile: /etc/X11/xdm/Xaccess ! All displays should use authorization, but we cannot be sure ! X terminals will be configured that way, so by default ! use authorization only for local displays :0, :1, etc. DisplayManager._0.authorize: true DisplayManager._1.authorize: true ! The following three resources set up display :0 as the console. DisplayManager._0.setup: /etc/X11/xdm/Xsetup_0 DisplayManager._0.startup: /etc/X11/xdm/GiveConsole DisplayManager._0.reset: /etc/X11/xdm/TakeConsole !
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