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diff --git a/doc/tdm/index.docbook b/doc/tdm/index.docbook new file mode 100644 index 000000000..dde535328 --- /dev/null +++ b/doc/tdm/index.docbook @@ -0,0 +1,1472 @@ +<?xml version="1.0" ?> +<!DOCTYPE book PUBLIC "-//KDE//DTD DocBook XML V4.2-Based Variant V1.1//EN" +"dtd/kdex.dtd" [ + <!ENTITY kappname "&tdm;"> + <!ENTITY package "tdebase"> + <!ENTITY tdmrc "<filename>tdmrc</filename>"> + <!ENTITY ksmserver "<application>ksmserver</application>"> + <!ENTITY kdesktop "<application>kdesktop</application>"> + <!ENTITY XDMCP "<acronym>XDMCP</acronym>"> + <!ENTITY xdm "<application>xdm</application>"> + <!ENTITY tdmrc-ref SYSTEM "tdmrc-ref.docbook"> + <!ENTITY % addindex "INCLUDE"> + <!ENTITY % English "INCLUDE" > <!-- change language only here --> +]> + +<book lang="&language;"> +<bookinfo> +<title>The &tdm; Handbook</title> + +<authorgroup> +<author> +&Oswald.Buddenhagen; &Oswald.Buddenhagen.mail; +</author><!-- +<othercredit role="developer"> +&Oswald.Buddenhagen; &Oswald.Buddenhagen.mail; +<contrib>Developer</contrib> +</othercredit> +<othercredit role="reviewer"> +&Lauri.Watts; &Lauri.Watts.mail; +<contrib>Reviewer</contrib> +</othercredit> --> + +<!-- TRANS:ROLES_OF_TRANSLATORS --> + +</authorgroup> + +<copyright> +<year>2000</year> +<holder>&Neal.Crook;</holder> +</copyright> + +<copyright> +<year>2002</year> +<holder>&Oswald.Buddenhagen;</holder> +</copyright> + +<copyright> +<year>2003</year> +<holder>&Lauri.Watts;</holder> +</copyright> + +<date>2003-03-01</date> +<releaseinfo>0.05.02</releaseinfo> + +<abstract> +<para>This document describes &tdm; the &kde; Display Manager. &tdm; +is also known as the <quote>Login Manager</quote>.</para> +</abstract> + +<keywordset> +<keyword>KDE</keyword> +<keyword>tdm</keyword> +<keyword>xdm</keyword> +<keyword>display manager</keyword> +<keyword>login manager</keyword> +</keywordset> +</bookinfo> + +<!-- ********************************************************************** --> +<chapter id="introduction"> +<title>Introduction</title> + +<para>&tdm; provides a graphical interface that allows you to log in to a +system. It prompts for login (username) and password, authenticates the user +and starts a <quote>session</quote>. &tdm; is superior to &xdm;, the X +Display Manager, in a number of ways.</para> + +</chapter> + +<!-- Chapters to write --> +<!-- * Just enough config to get it to run and login to KDE + * Adding more session types (GNOME, etc) + * Adding other customizations to XSession (ssh/gpg-agent, etc) + * Further customization to TDM (via the kcontrol module, and by + hand) + * XDMCP by query + * XDMCP by broadcast + * Sound transparency (if Ade can tell me how!) + * Document all Keys in the Config File + * Pull in all options from the KControl Module + * More resources +--> + +<chapter id="quickstart"> +<title>Quick Start Guide</title> + +<para>This is a quick start guide for users who fit the following +pattern:</para> + +<itemizedlist> +<listitem> +<para>X is configured and works with the command +<command>startx</command> from the commandline.</para> +</listitem> +<listitem> +<para>Each user will generally only use a single window manager or +desktop environment, and does not change this choice very +often, or is comfortable editing a single text file in order to change +their choice.</para> +</listitem> +</itemizedlist> + +<para>This scenario will be sufficient for many environments where a single +user or several users normally boot the computer and log into their +preferred environment.</para> + +<procedure> +<title>Setting up a Default Session</title> +<step> +<para>Create or open the file <filename>~/.xinitrc</filename></para> +<para>If you already have a working <filename>~/.xinitrc</filename>, go to +the next step</para> +</step> +<step> +<para>If one does not already exist, add a line to the +<filename>~/.xinitrc</filename> to start your preferred window manager +or desktop environment.</para> +<para>For &kde; you should enter:</para> +<screen><userinput>starttde</userinput></screen> +<para>For other window managers or desktop environments, you should +look in their documentation for the correct command.</para> +</step> +<step><para>Make a link as follows:</para> +<screen><userinput><command>ln</command> <option>-s</option> <parameter>~/.xinitrc ~/.xsession</parameter></userinput></screen> +</step> +</procedure> + +<para>At this point, typing <userinput><command>startx</command></userinput> +on the commandline should start X, with a &kde; session. The next task is +to try &tdm;.</para> + +<para>As <systemitem class="username">root</systemitem>, type +<userinput><command>tdm</command></userinput> at the prompt.</para> + +<para>You should see a login window, which is described more fully in <xref +linkend="login" />.</para> + +<para>Typing your normal username and password in the fields provided, and +leaving <option>default</option> selected as the session type should now +open a &kde; session for your user.</para> + +<para>If you have other users to configure, you should repeat the procedure +above for each of them.</para> + +<note> +<para>This is a quick guide to getting up and running only. You probably +will want to customize &tdm; further, for example, to hide the names of the +system accounts, to allow further sessions, and much more. Please read +through the rest of this manual to find out how to do these things.</para> +</note> + +</chapter> + +<chapter id="login"> +<title>The Login Window</title> + +<para> The user interface to &tdm; consists of two dialog boxes. The main +dialog box has these controls:</para> + +<itemizedlist> +<listitem> +<para>A <guilabel>Username:</guilabel> field for you to enter your +username.</para> +</listitem> + +<listitem> +<para>A <guilabel>Password:</guilabel> field for you to enter your +password.</para> +</listitem> + +<listitem> +<para>(Optionally) a graphical image of each user (for example, a digitized +photograph). Clicking on an image is equivalent to typing the associated +username into the <guilabel>Username:</guilabel> field. (This feature is an +imitation of the login box on &IRIX;).</para> +</listitem> + +<listitem> +<para>A <guilabel>Menu</guilabel> drop down box that allows &tdm; to be used +to start sessions with various different window managers or desktop +environments installed on the system.</para> +</listitem> + +<listitem> +<para>(Optionally) a region to the right of the +<guilabel>Username:</guilabel>, <guilabel>Password:</guilabel> and +<guilabel>Session Type:</guilabel> fields which can be used to display +either a static image or an analog clock.</para> +</listitem> + +<listitem> +<para>A <guibutton>Login</guibutton> button that validates the +username/password combination and attempts to start a session of the +selected type.</para> +</listitem> + +<listitem> +<para>A <guibutton>Clear</guibutton> button that clears the text from +the <guilabel>Login</guilabel> and <guilabel>Pass</guilabel> +fields.</para> +</listitem> + +<listitem> +<para>A <guibutton>Menu</guibutton> button that opens an action menu +with the following items:</para> + +<itemizedlist> +<listitem> +<para>(On local displays) A <guimenuitem>Restart X Server</guimenuitem> item +that terminates the currently running &X-Server;, starts a new one and +displays the login dialog again. You can use this if the display content +seems to be broken somehow.</para> +</listitem> + +<listitem> +<para>(On remote displays) A <guimenuitem>Close Connection</guimenuitem> +item that closes the connection to the &XDMCP; server you are currently +connected to. If you got to this server through a host chooser, this will +bring you back to the chooser, otherwise it will only reset the &X-Server; +and bring up the login dialog again.</para> +</listitem> + +<listitem> +<para>(Optionally on local displays) A <guimenuitem>Console +Mode</guimenuitem> item that terminates the currently running &X-Server; and +leaves you alone with a console login. &tdm; will resume the graphical login +if nobody is logged in at the console for some time.</para> +</listitem> +</itemizedlist> +</listitem> + +<listitem> +<para>(Optionally) A <guibutton>Shutdown</guibutton> button that displays +the <guilabel>Shutdown</guilabel> dialog box.</para> +</listitem> +</itemizedlist> + +<para>The <guilabel>Shutdown</guilabel> dialog box presents a set of +radio buttons that allow one of these options to be selected:</para> + +<variablelist> +<varlistentry> +<term>Shutdown</term> +<listitem> +<para>Shut the system down in a controlled manner, ready for +power-down.</para> +</listitem> +</varlistentry> +<varlistentry> +<term>Restart</term> +<listitem> +<para>Shut the system down and reboot. For systems that use +<application>Lilo</application>, an optional drop down box allows you to +select a particular operating-system kernel to be used for the +reboot.</para> +</listitem> +</varlistentry> +<varlistentry> +<term>Restart X Server</term> +<listitem> +<para>Stop and then restart the X-server. Typically, you might need to use +this option if you have changed your X11 configuration in some way.</para> +</listitem> +</varlistentry> +<varlistentry> +<term>Console Mode</term> +<listitem> +<para>Stop the &X-Server; and return the system to console mode. This is +achieved by bringing the system down to runlevel 3. Typically, the system +manager might need to use this option before upgrading or re-configuring X11 +software.</para> +</listitem> +</varlistentry> +</variablelist> + +<para>Pressing the <guibutton>OK</guibutton> button initiates the selected +action; pressing the <guibutton>Cancel</guibutton> button returns to the +main &tdm; dialog box. </para> + +</chapter> + +<!-- *********************************************************************** --> +<chapter id="configuring-tdm"> +<title>Configuring &tdm;</title> + +<para>This chapter assumes that &tdm; is already up and running on your +system, and that you simply want to change its behavior in some way.</para> + +<para>When &tdm; starts up, it reads its configuration from the folder +<filename class="directory">$TDEDIR/share/config/tdm/</filename> (this may +be <filename class="directory">/etc/trinity/tdm/</filename> or something else +on your system).</para> + +<para>The main configuration file is &tdmrc;; all other files are +referenced from there and could be stored under any name anywhere on +the system - but usually that would not make much sense for obvious +reasons (one particular exception is referencing configuration files +of an already installed &xdm; - however when a new &tdm; is installed, +it will import settings from those files if it finds an already installed +&xdm;).</para> + +<para>Since &tdm; must run before any user is logged in, it is not +associated with any particular user. Therefore, it is not possible to have +user-specific configuration files; all users share the common &tdmrc;. It +follows from this that the configuration of &tdm; can only be altered by +those users that have write access to +<filename>$<envar>TDEDIR</envar>/share/config/tdm/tdmrc</filename> (normally +restricted to system administrators logged in as <systemitem +class="username">root</systemitem>).</para> + +<para>You can view the &tdmrc; file currently in use on your system, and you +can configure &tdm; by editing this file. Alternatively, you can use the +graphical configuration tool provided by the &kcontrolcenter; (under +<menuchoice><guisubmenu>System Administration</guisubmenu><guimenuitem>Login +Manager</guimenuitem></menuchoice>), which is described in <ulink +url="help:/kcontrol/login-manager.html">the &kcontrolcenter; help files</ulink>. +</para> + +<para>The remainder of this chapter describes configuration of &tdm; +via the &kcontrolcenter; module, and the <link linkend="tdm-files">next +chapter</link> describes the options available in &tdmrc; itself. If +you only need to configure for local users, the &kcontrolcenter; module +should be sufficient for your needs. If you need to configure remote +logins, or have multiple &tdm; sessions running, you will need to read +on.</para> + +<sect1 id="tdm-kcontrol-module"> +<sect1info> +<authorgroup> +<author>&Thomas.Tanghus; &Thomas.Tanghus.mail;</author> +<author>&Steffen.Hansen; &Steffen.Hansen.mail;</author> +<author>&Mike.McBride; &Mike.McBride.mail;</author> +</authorgroup> +</sect1info> + +<title>The Login Manager &kcontrolcenter; Module</title> + +<para>Using this module, you can configure the &kde; graphical login +manager, &tdm;. You can change how the login screen looks, who has +access using the login manager and who can shutdown the +computer.</para> + +<note><para>All settings will be written to the configuration file +&tdmrc;, which in its original state has many comments to help you +configure &tdm;. Using this &kcontrolcenter; module will strip these +comments from the file. All available options in &tdmrc; are covered +in <xref linkend="tdm-files"/>.</para> + +<para>The options listed in this chapter are cross referenced with +their equivalents in &tdmrc;. All options available in the &kcontrol; +module are also available directly in &tdmrc; but the reverse is not +true.</para></note> + +<para>In order to organize all of these options, this module is +divided into several sections: <link +linkend="tdmconfig-appearance"><guilabel>Appearance</guilabel></link>, +<link linkend="tdmconfig-font"><guilabel>Font</guilabel></link>, <link +linkend="tdmconfig-background"><guilabel>Background</guilabel></link>, +<link +linkend="tdmconfig-shutdown"><guilabel>Shutdown</guilabel></link>, +<link linkend="tdmconfig-users"><guilabel>Users</guilabel></link> and +<link +linkend="tdmconfig-convenience"><guilabel>Convenience</guilabel></link>.</para> + +<para>You can switch between the sections using the tabs at the top of +the window.</para> + +<note><para>If you are not currently logged in as a superuser, you +will need to click the <guibutton>Administrator Mode...</guibutton> +Button. You will then be asked for a superuser password. Entering a +correct password will allow you to modify the settings of this +module.</para></note> + +<sect2 id="tdmconfig-appearance"> +<title>Appearance</title> + +<para>From this page you can change the visual appearance of &tdm;, +&kde;'s graphical login manager.</para> + +<para>The <guilabel>Greeting:</guilabel> is the title of the login + screen. Setting this is especially useful if you have many servers users + may log in to. You may use various placeholders, which are described + along with the corresponding key + <link linkend="option-greetstring"><option>GreetString</option></link> + in &tdmrc;. +</para> + +<para>You can then choose to show either the current system time, a logo or +nothing special in the login box. Make your choice in the radio buttons +labeled <guilabel>Logo area:</guilabel>. This corresponds to <link +linkend="option-logoarea"><option>LogoArea</option></link> in &tdmrc;</para> + +<para>If you chose <guilabel>Show logo</guilabel> you can now choose a +logo:</para> + +<itemizedlist> +<listitem> +<para>Drop an image file on the image button.</para> +</listitem> +<listitem> +<para>Click on the image button and select a new image from the image chooser +dialog.</para> +</listitem> +</itemizedlist> + +<para>If you do not specify a logo the default +<filename>$<envar>TDEDIR</envar>/share/apps/tdm/pics/kdelogo.xpm</filename> +will be displayed.</para> + +<para>Normally the login box is centered on the screen. Use the +<guilabel>Position:</guilabel> options if you want it to appear +elsewhere on the screen. You can specify the relative position +(percentage of the screen size) for the center of the login window, +relative to the top left of the display, in the fields labeled +<guilabel>X:</guilabel> and <guilabel>Y:</guilabel> respectively. +These correspond to the key +<link linkend="option-greeterpos"><option>GreeterPos</option></link> +in &tdmrc;.</para> + +<para>While &kde;'s style depends on the settings of the user logged +in, the style used by &tdm; can be configured using the <guilabel>GUI +Style:</guilabel> and <guilabel>Color Scheme:</guilabel> options. +These correspond to the keys <link +linkend="option-guistyle"><option>GUIStyle</option></link> and <link +linkend="option-colorscheme"><option>ColorScheme</option></link> in +&tdmrc; respectively.</para> + +<para>Below that, you have a drop down box to choose the language for +your login box, corresponding to setting <option>Language</option> in +&tdmrc;.</para> + +</sect2> + +<sect2 id="tdmconfig-font"> +<title>Font</title> + +<para>From this section of the module you can change the fonts used in the +login window. Only fonts available to all users are available here, not +fonts you have installed on a per user basis.</para> + +<para>You can select three different font styles from the drop down box +(<guilabel>General:</guilabel>, <guilabel>Failures:</guilabel>, +<guilabel>Greeting:</guilabel>). When you click on the +<guibutton>Choose...</guibutton> button a dialog appears from which you can +select the new characteristics for the font style.</para> + +<itemizedlist> +<listitem> +<para>The <guilabel>General:</guilabel> font is used in all other places in the +login window.</para> +</listitem> +<listitem> +<para>The <guilabel>Failures:</guilabel> font is used when a login +fails.</para> +</listitem> +<listitem> +<para>The <guilabel>Greeting:</guilabel> font is the font used for the title +(Greeting String).</para> +</listitem> +</itemizedlist> + +<para>You can also check the box labeled <guilabel>Use anti-aliasing for +fonts</guilabel> if you want smoothed fonts in the login dialog.</para> + +</sect2> + +<sect2 id="tdmconfig-background"> +<title>Background</title> + +<para>Here you can change the desktop background which will be displayed +before a user logs in. You can have a single color or an image as a +background. If you have an image as the background and select center, the +selected background color will be used around the image if it is not +large enough to cover the entire desktop.</para> + +<para>The background colors and effects are controlled by the options on +the tab labeled <guilabel>Background</guilabel> and you select a +background image and its placement from the options on the tab labeled +<guilabel>Wallpaper</guilabel>.</para> + +<para>To change the default background color(s) simply click either of +the color buttons and select a new color.</para> + +<para>The drop down box above the color buttons provides you with several +different blend effects. Choose one from the list, and it will be +previewed on the small monitor at the top of the window. Your choices +are:</para> + +<variablelist> +<varlistentry> +<term>Flat</term> +<listitem><para>By choosing this mode, you select one color (using the color +button labeled <guibutton>Color 1</guibutton>), and the entire background is +covered with this one color.</para></listitem> +</varlistentry> +<varlistentry> +<term>Pattern</term> +<listitem><para>By choosing this mode, you select two colors (using both color +buttons). </para> <para>You then select a pattern by clicking +<guilabel>Setup</guilabel>. This opens a new dialog window, which gives you +the opportunity to select a pattern. Simply click once on the pattern of your +choice, then click on <guilabel>OK</guilabel>, and &kde; will render the pattern +you selected using the two colors you selected. For more on patterns, see the +section <ulink url="help:/kcontrol/background/index.html#bkgnd-patterns">Background: Adding, Removing and Modifying +Patterns</ulink>.</para></listitem> +</varlistentry> +<varlistentry> +<term>Background Program</term> +<listitem><para>By selecting this option, you can have &kde; use an external +program to determine the background. This can be any program of your choosing. +For more information on this option, see the section entitled <ulink +url="help:/kcontrol/background/index.html#bkgnd-programs">Background: Using an external program</ulink>.</para></listitem> +</varlistentry> +<varlistentry> +<term>Horizontal Gradient</term> +<listitem><para>By choosing this mode, you select two colors (using both color +buttons). &kde; will then start with the color selected by <guilabel>Color +1</guilabel> on the left edge of the screen, and slowly transform into the +color selected by <guilabel>Color 2</guilabel> by the time it gets to the +right edge of the screen.</para></listitem> +</varlistentry> +<varlistentry> +<term>Vertical Gradient</term> +<listitem><para>By choosing this mode, you select two colors (using both color +buttons). &kde; will then start with the color selected by <guilabel>Color +1</guilabel> on the top edge of the screen, and slowly transform into the color +selected by <guilabel>Color 2</guilabel> as it moves to the bottom of the +screen.</para></listitem> +</varlistentry> +<varlistentry> +<term>Pyramid Gradient</term> +<listitem><para>By choosing this mode, you select two colors (using both color +buttons). &kde; will then start with the color selected by <guilabel>Color +1</guilabel> in each corner of the screen, and slowly transform into the color +selected by <guilabel>Color 2</guilabel> as it moves to the center of the +screen.</para></listitem> +</varlistentry> +<varlistentry> +<term>Pipecross Gradient</term> +<listitem><para>By choosing this mode, you select two colors (using both color +buttons). &kde; will then start with the color selected by <guilabel>Color +1</guilabel> in each corner of the screen, and slowly transform into the color +selected by <guilabel>Color 2</guilabel> as it moves to the center of the +screen. The <quote>shape</quote> of this gradient is different then the pyramid +gradient.</para></listitem> +</varlistentry> +<varlistentry> +<term>Elliptic Gradient</term> +<listitem><para>By choosing this mode, you select two colors (using both color +buttons). &kde; will then start with the color selected by <guilabel>Color +2</guilabel> in the center of the screen, and slowly transform into the color +selected by <guilabel>Color 1</guilabel> as it moves to the edges, in an +elliptical pattern.</para></listitem> +</varlistentry> +</variablelist> + +<para>The setup button is only needed for if you select <guilabel>Background +program</guilabel> or <guilabel>Patterns</guilabel>. In these instances, +another window will appear to configure the specifics.</para> +<para><emphasis>Wallpaper</emphasis></para> +<para>To select a new background image first, click on the +<guilabel>Wallpapers</guilabel> tab, then you can either select an image from the drop down list labeled <guilabel>Wallpaper</guilabel> or select +<guibutton>Browse...</guibutton> and select an image file from a file +selector.</para> + +<para>The image can be displayed in six different ways:</para> +<variablelist> +<varlistentry> +<term>No wallpaper</term> +<listitem><para>No image is displayed. Just the background colors.</para> +</listitem></varlistentry> +<varlistentry> +<term>Centered</term> +<listitem><para>The image will be centered on the screen. The background colors +will be present anywhere the image does not cover.</para> </listitem> +</varlistentry> +<varlistentry> +<term>Tiled</term> +<listitem><para>The image will be duplicated until it fills the entire +desktop. The first image will be placed in the upper left corner of the screen, +and duplicated downward and to the right.</para> </listitem> +</varlistentry> +<varlistentry> +<term>Center Tiled</term> +<listitem><para>The image will be duplicated until it fills the entire +desktop. The first image will be placed in the center of the screen, and +duplicated upward, downward to the right, and to the left.</para> </listitem> +</varlistentry> +<varlistentry> +<term>Centered Maxpect</term> +<listitem><para>The image will be placed in the center of the screen. It will +be scaled to fit the desktop, but it will not change the aspect ratio of the +original image. This will provide you with an image that is not distorted. +</para> </listitem> +</varlistentry> +<varlistentry> +<term>Scaled</term> +<listitem><para>The image will be scaled to fit the desktop. It will be +stretched to fit all four corners.</para> </listitem> +</varlistentry> +</variablelist> + +</sect2> + +<sect2 id="tdmconfig-shutdown"> +<title><guilabel>Shutdown</guilabel></title> + +<para><guilabel>Allow Shutdown</guilabel></para> +<para>Use this drop down box to choose who is allowed to shut down:</para> +<itemizedlist> +<listitem> +<para><guilabel>Nobody</guilabel>: No one can shutdown the computer using +&tdm;. You must be logged in, and execute a command.</para> +</listitem> +<listitem> +<para><guilabel>Everybody</guilabel>: Everyone can shutdown the computer using +&tdm;.</para> +</listitem> +<listitem><para><guilabel>Only Root</guilabel>: &tdm; requires that the +<systemitem>root</systemitem> password be entered before shutting down the +computer.</para></listitem> +</itemizedlist> + +<para>You can independently configure who is allowed to issue a +shutdown command for the <guilabel>Local:</guilabel> and +<guilabel>Remote:</guilabel> users.</para> + +<para><emphasis>Commands</emphasis></para> <para>Use these text fields to +define the exact shutdown command.</para> <para>The +<guilabel>Halt:</guilabel> command defaults to <!-- Are these defaults still +correct? they disagree with what's in --> <!-- tdmrc --> +<command>/sbin/halt</command>. The <guilabel>Restart:</guilabel> command +defaults to +<command>/sbin/reboot</command>.</para> + +<para>When <guilabel>Show boot options</guilabel> is enabled, &tdm; +will on reboot offer you options for the lilo boot manager. For this +feature to work, you will need to supply the correct paths to your +<command>lilo</command> command and to lilo's map file. Note that this +option is not available on all operating systems.</para> + +</sect2> + +<sect2 id="tdmconfig-users"> +<title>Users</title> + +<para>From here you can change the way users are represented in the +login window.</para> + +<para>You may disable the user list in &tdm; entirely in the +<guilabel>Show Users</guilabel> section. You can choose from:</para> + +<variablelist> +<varlistentry> +<term><guilabel>Show List</guilabel></term> +<listitem> +<para>Only show users you have specifically enabled in the list +alongside</para> +<para>If you do not check this box, no list will be shown. This is the most secure setting, since an +attacker would then have to guess a valid login name as well as a +password. It's also the preferred option if you have more than a +handful of users to list, or the list itself would become +unwieldy.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><guilabel>Inverse selection</guilabel></term> +<listitem> +<para>Allows you to intead select a list of users that should +<emphasis>not</emphasis> be shown, and all other users will be +listed.</para> +</listitem> +</varlistentry> +</variablelist> + +<para>Independently of the users you specify by name, you can use the +<guilabel>System UIDs</guilabel> to specify a range of valid +<acronym>UID</acronym>s that are shown in the list. By default user +id's under 1000, which are often system or daemon users, and user id's +over 65000, are not shown.</para> + +<para>You can also enable the <guilabel>Sort users</guilabel> +checkbox, to have the user list sorted alphabetically. If this is +disabled, users will appear in the order they are listed in the +password file. &tdm; will also autocomplete user names if you enable the +<guilabel>Autocompletion</guilabel> option.</para> + +<para>If you choose to show users, then the login window will show +images (which you select), of a list of users. When someone is ready +to login, they may select their user name/image, enter their password, +and they are granted access.</para> + +<para>If you permit a user image, then you can configure the source +for those images.</para> + +<para>You can configure the admin picture here, for each user on the +system. Depending on the order selected above, users may be able to +override your selection.</para> + +<para>If you choose not to show users, then the login window will be +more traditional. Users will need to type their username and password +to gain entrance. This is the preferred way if you have many users on +this terminal.</para> + +</sect2> + +<sect2 id="tdmconfig-convenience"> +<title>Convenience</title> + +<para>In the <guilabel>convenience</guilabel> tab you can configure +some options that make life easier for lazy people, like automatic +login or disabling passwords.</para> + +<important><para>Please think more than twice before using these +options. Every option in the <guilabel>Convenience</guilabel> tab is +well-suited to seriously compromise your system security. Practically, +these options are only to be used in a completely non-critical +environment, ⪚ a private computer at home. </para></important> + +<sect3 id="loginmanager-convenience-autologin"> +<title>Automatic Login</title> + +<para>Automatic login will give anyone access to a certain account on +your system without doing any authentication. You can enable it using +the option <guilabel>Enable Auto-login</guilabel>.</para> + +<para>You can choose the account to be used for automatic login from +the list labeled <guilabel>User:</guilabel>.</para> + +</sect3> + +<sect3 id="loginmanager-convenience-nopasswd"> +<title><guilabel>Password-Less Login</guilabel></title> + +<para>Using this feature, you can allow certain users to login without +having to provide their password. Enable this feature using the +<guilabel>Enable Password-less logins</guilabel> option.</para> + +<para>Below this option you'll see a list of users on the system. +Enable password-less login for specific users by checking the checkbox +next to the login names. By default, this feature is disabled for +all users.</para> + +<important><para>Again, this option should only be used in a safe +environment. If you enable it on a rather public system you should +take care that only users with heavy access restrictions are granted +password-less login, ⪚ +<systemitem>guest</systemitem>.</para></important> + +<para>You can also choose which user is <quote>preselected</quote> +when &tdm; starts. The default is <guilabel>None</guilabel>, but you +can choose <guilabel>Previous</guilabel> to have &tdm; default to the +last successfully logged in user, or you can +<guilabel>Specify</guilabel> a particular user to always be selected +from the list. You can also have &tdm; set the focus to the password +field, so that when you reach the &tdm; login screen, you can type the +password immediately.</para> + +<para>The <guilabel>Automatically login after X server crash</guilabel> +option allows you to skip the authentication procedure when your X +server accidentally crashed.</para> + +</sect3> + +</sect2> + +</sect1> + +</chapter> + +&tdmrc-ref; + +<!-- ************************************************************ --> +<chapter id="configuring-your-system-for-tdm"> +<title>Configuring your system to use &tdm;</title> + +<para>This chapter assumes that your system is already configured to +run the &X-Window;, and that you only need to reconfigure it to +allow graphical login.</para> + +<sect1 id="setting-up-tdm"> +<title>Setting up &tdm;</title> + +<para>The fundamental thing that controls whether your computer boots to a +terminal prompt (console mode) or a graphical login prompt is the default +runlevel. The runlevel is set by the program <application> <ulink +url="man:init">/sbin/init</ulink></application> under the control of the +configuration file <filename>/etc/inittab</filename>. The default runlevels +used by different &UNIX; systems (and different &Linux; distributions) vary, +but if you look at <filename>/etc/inittab</filename> the start of it should +be something like this:</para> + +<screen># Default runlevel. The runlevels used by RHS are: +# 0 - halt (Do NOT set initdefault to this) +# 1 - Single user mode +# 2 - Multiuser, without NFS +# 3 - Full multiuser mode +# 4 - unused +# 5 - X11 +# 6 - reboot (Do NOT set initdefault to this) + +id:3:initdefault: +</screen> + +<para>All but the last line of this extract are comments. The comments +show that runlevel 5 is used for X11 and that runlevel 3 is used for +multi-user mode without X11 (console mode). The final line specifies +that the default runlevel of the system is 3 (console mode). If your +system currently uses graphical login (for example, using &xdm;) its +default runlevel will match the runlevel specified for X11.</para> + +<para>The runlevel with graphical login (&xdm;) for some common &Linux; +distributions is:</para> + +<itemizedlist> +<listitem><para>5 for &RedHat; 3.x and later, and for &Mandrake;</para></listitem> +<listitem><para>4 for Slackware</para></listitem> +<listitem><para>3 for &SuSE;. 4.x and 5.x</para></listitem> +</itemizedlist> + +<para>The first step in configuring your system is to ensure that you +can start &tdm; from the command line. Once this is working, you can +change your system configuration so that &tdm; starts automatically +each time you reboot your system.</para> + +<para>To test &tdm;, you must first bring your system to a runlevel +that does not run &xdm;. To do so, issue a command like this:</para> + +<screen><command>/sbin/init <option>3</option></command></screen> + +<para>Instead of the number <option>3</option> you should specify the +appropriate runlevel for console mode on your system.</para> + +<para>If your system uses Pluggable Authentication Modules +(<abbrev>PAM</abbrev>), which is normal with recent &Linux; and &Solaris; +systems, you should check that your <abbrev>PAM</abbrev> configuration permits +login through the service named <literal>kde</literal>. If you previously used +&xdm; successfully, you should not need to make any +changes to your <abbrev>PAM</abbrev> configuration in order to use +&tdm;. <filename>/etc/pam.conf</filename> or +<filename>/etc/pam.d/kde</filename>. Information on configuring +<abbrev>PAM</abbrev> is beyond the scope of this handbook, but +<abbrev>PAM</abbrev> comes with comprehensive documentation (try looking in +<filename>/usr/share/doc/*pam*/html/</filename>).</para> + +<para>Now it's time for you to test &tdm; by issuing the following +command:</para> + +<screen><command>tdm <option>-nodaemon</option></command> +</screen> + +<para>If you get a &tdm; login dialog and you are able to log in, +things are going well. The main thing that can go wrong here is that +the run-time linker might not find the shared &Qt; or &kde; libraries. +If you have a binary distribution of the &kde; libraries, make sure +&tdm; is installed where the libraries believe &kde; is installed and +try setting some environment variables to point to your &kde; and &Qt; +libraries.</para> + +<para>For example:</para> + +<screen><command>export +<option>TDEDIR=<replaceable>/opt/kde</replaceable></option></command> +<command>export +<option>QTDIR=<replaceable>/usr/lib/qt2</replaceable></option></command> +<command>export +<option>PATH=<replaceable>$TDEDIR/bin:$QTDIR/bin:$PATH</replaceable></option></command> +<command>export +<option>LD_LIBRARY_PATH=<replaceable>$TDEDIR/lib:$QTDIR/lib</replaceable></option></command> +</screen> + +<para>If you are still unsuccessful, try starting &xdm; instead, to +make sure that you are not suffering from a more serious X +configuration problem.</para> + +<para>When you are able to start &tdm; successfully, you can start to +replace &xdm; by &tdm;. Again, this is distribution-dependent.</para> + +<itemizedlist> +<listitem> +<para>For &RedHat;, edit <filename>/etc/inittab</filename>, look for this + line:</para> +<screen>x:5:respawn:/usr/X11/bin/xdm -nodaemon</screen> +<para>and replace with:</para> +<screen>x:5:respawn:/opt/kde/bin/tdm</screen> +<para>This tells <command>init</command>(8) to respawn &tdm; when the +system is in run level 5. Note that &tdm; does not need the + <option>-nodaemon</option> option.</para> +</listitem> +<listitem> +<para>For &Mandrake;, the X11 runlevel in +<filename>/etc/inittab</filename> invokes the shell script +<filename>/etc/X11/prefdm</filename>, which is set up to select from +amongst several display managers, including &tdm;. Make sure that all +the paths are correct for your installation.</para> +</listitem> +<listitem> +<para>For &SuSE;, edit <filename>/sbin/init.d/xdm</filename> to add a +first line:</para> + +<screen>. /etc/rc.config +DISPLAYMANAGER=tdm +export DISPLAYMANAGER</screen> +</listitem> +<listitem><para>For FreeBSD, edit <filename>/etc/ttys</filename> and find +the line like this:</para> +<screen>ttyv8 "/usr/X11R6/bin/xdm -nodaemon" xterm off secure</screen> +<para>and edit it to this:</para> +<screen>ttyv8 "/usr/local/bin/tdm" xterm on secure</screen> +</listitem> + +<listitem><para>Most other distributions are a variation of one of +these.</para></listitem> +</itemizedlist> + +<para>At this stage, you can test &tdm; again by bringing your system +to the runlevel that should now run &tdm;. To do so, issue a command +like this:</para> + +<screen><command>/sbin/init <option>5</option></command> +</screen> + +<para>Instead of the number <option>5</option> you should specify the +appropriate runlevel for running X11 on your system.</para> + +<para>The final step is to edit the <parameter>initdefault</parameter> +entry in <filename>/etc/inittab</filename> to specify the appropriate +runlevel for X11.</para> + +<warning><para>Before you make this change, ensure that you have a way +to reboot your system if a problem occurs. This might be a +<quote>rescue</quote> floppy-disk provided by your operating system +distribution or a specially-designed <quote>rescue</quote> +floppy-disk, such as <literal>tomsrtbt</literal>. Ignore this advice +at your peril.</para></warning> + +<para>This usually involves changing the line:</para> +<screen>id:3:initdefault:</screen> +<para>to</para> +<screen>id:5:initdefault:</screen> + +<para>When you reboot your system, you should end up with the +graphical &tdm; login dialog.</para> + +<para>If this step is unsuccessful the most likely problem is that the +environment used at boot time differs from the environment that you used for +testing at the command line. If you are trying to get two versions of &kde; +to co-exist, be particularly careful that the settings you use for your +<envar>PATH</envar> and <envar>LD_LIBRARY_PATH</envar> environment variables +are consistent, and that the startup scripts are not over-riding them in +some way.</para> + +</sect1> + +</chapter> + +<chapter id="different-window-managers-with-tdm"> +<title>Supporting multiple window managers</title> + +<para>&tdm; detects most available window manager and desktop environments when +it is run. Installing a new one should make it automatically available in +the &tdm; main dialog <guilabel>Session Type:</guilabel>.</para> + +<para>If you have a very new window manager, or something that &tdm; does +not support, the first thing you should check is that the application to be +run is in the <envar>PATH</envar> and has not been renamed during the +install into something unexpected.</para> + +<para>If the case is that the application is too new and not yet supported +by &tdm;, you can quite simply add a new session.</para> + +<para>The sessions are defined in <firstterm>.desktop</firstterm> files in +<filename +class="directory">$<envar>TDEDIR</envar>/share/apps/tdm/sessions</filename>. +You can simply add an appropriately named <literal +role="extension">.desktop</literal> file in this directory. The fields +are:</para> + +<programlisting>[Desktop Entry] +Encoding=UTF-8 <lineannotation>This is fixed to <option>UTF-8</option> and +may be omitted</lineannotation> +Type=XSession <lineannotation>This is fixed to <option>XSession</option> and +may be omitted</lineannotation> +Exec=<replaceable>executable name</replaceable> <lineannotation>Passed to +<command>eval exec</command> in a Bourne shell</lineannotation> +TryExec=<replaceable>executable name</replaceable> <lineannotation>Supported +but not required</lineannotation> +Name=<replaceable>name to show in the &tdm; session list</replaceable></programlisting> + +<para>There are also three <quote>magic</quote>:</para> + +<variablelist> +<varlistentry> +<term>default</term> +<listitem> +<para> +The default session for &tdm; is normally &kde; but can be configured by the +system administrator. +</para> +</listitem> +</varlistentry> +<varlistentry> +<term>custom</term> +<listitem> +<para> +The Custom session will run the users ~/.xsession if it exists. +</para> +</listitem> +</varlistentry> +<varlistentry> +<term>failsafe</term> +<listitem> +<para> +Failsafe will run a very plain session, and is useful only for debugging +purposes. +</para> +</listitem> +</varlistentry> +</variablelist> + +<para>To override a session type, copy the .desktop file from the data dir +to the config dir and edit it at will. Removing the shipped session types +can be accomplished by <quote>shadowing</quote> them with .desktop files +containing Hidden=true. For the magic session types no .desktop files exist +by default, but &tdm; pretends they would, so you can override them like any +other type. I guess you already know how to add a new session type by +now. ;-)</para> + +</chapter> + +<chapter id="xdmcp-with-tdm"> +<title>Using &tdm; for Remote Logins (&XDMCP;)</title> + +<para>&XDMCP; is the Open Group standard, the <quote>X Display Manager +Control Protocol</quote>. This is used to set up connections between +remote systems over the network.</para> + +<para>&XDMCP; is useful in multiuser situations where there are users +with workstations and a more powerful server that can provide the +resources to run multiple X sessions. For example, &XDMCP; is a good +way to reuse old computers - a Pentium or even 486 computer with 16 Mb +RAM is sufficient to run X itself, and using &XDMCP; such a computer can +run a full modern &kde; session from a server. For the server part, +once a single &kde; (or other environment) session is running, running +another one requires very few extra resources.</para> + +<para>However, allowing another method of login to your machine +obviously has security implications. You should run this service only +if you need to allow remote X Servers to start login sessions on your +system. Users with a single &UNIX; computer should not need to run +this.</para> + +</chapter> + +<chapter id="advanced-topics"> +<title>Advanced Topics</title> + +<sect1 id="command-sockets"> +<title>Command Sockets</title> + +<para>This is a feature you can use to remote-control &tdm;. It's mostly +intended for use by &ksmserver; and &kdesktop; from a running session, but +other applications are possible as well.</para> + +<para>The sockets are &UNIX; domain sockets which live in subdirectories of the +directory specified by <option>FifoDir</option>=. The subdir is the key to +addressing and security; the sockets all have the file name +<filename>socket</filename> and file permissions +<literal>rw-rw-rw-</literal> (0666). This is because some systems don't care +for the file permission of the socket files.</para> + +<para>There are two types of sockets: the global one (dmctl) and the +per-display ones (dmctl-<display>).</para> + +<para>The global one's subdir is owned by root, the subdirs of the per-display +ones' are owned by the user currently owning the session (root or the +logged in user). Group ownership of the subdirs can be set via FifoGroup=, +otherwise it is root. The file permissions of the subdirs are rwxr-x--- +(0750).</para> + +<para>The fields of a command are separated by tabs (<token>\t</token>), the +fields of a list are separated by spaces, literal spaces in list fields are +denoted by <token>\s</token>.</para> + +<para>The command is terminated by a newline (<token>\n</token>).</para> + +<para>The same applies to replies. The reply on success is +<returnvalue>ok</returnvalue>, possibly followed by the requested +information. The reply on error is an errno-style word (⪚ +<returnvalue>perm</returnvalue>, <returnvalue>noent</returnvalue>, &etc;) +followed by a longer explanation.</para> + +<variablelist> +<title>Global commands:</title> +<varlistentry> +<term><command>login</command> <option>display</option> +(<parameter>now</parameter> | <parameter>schedule</parameter>) <parameter>user</parameter> <parameter>password</parameter> +[session_arguments]</term> +<listitem> +<para>login user at specified display. if <parameter>now</parameter> is +specified, a possibly running session is killed, otherwise the login is done +after the session exits. session_arguments are printf-like escaped contents +for .dmrc. Unlisted keys will default to previously saved values.</para> +</listitem> +</varlistentry> +</variablelist> + +<variablelist> +<title>Per-display commands:</title> +<varlistentry> +<term><command>lock</command></term> +<listitem> +<para>The display is marked as locked. If the &X-Server; crashes in this +state, no auto-relogin will be performed even if the option is on.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><command>unlock</command></term> +<listitem> +<para>Reverse the effect of <command>lock</command>, and re-enable +auto-relogin.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><command>suicide</command></term> +<listitem> +<para>The currently running session is forcibly terminated. No auto-relogin +is attempted, but a scheduled "login" command will be executed.</para> +</listitem> +</varlistentry> +</variablelist> + +<variablelist> +<title>Commands for all sockets</title> +<varlistentry> +<term><command>caps</command></term> +<listitem> +<para>Returns a list of this socket's capabilities:</para> + +<variablelist> +<varlistentry> +<term><returnvalue>&tdm;</returnvalue></term> +<listitem> +<para>identifies &tdm;, in case some other DM implements this protocol, +too</para> +</listitem> +</varlistentry> +<varlistentry> +<term><returnvalue>list</returnvalue>, <returnvalue>lock</returnvalue>, +<returnvalue>suicide</returnvalue>, <returnvalue>login</returnvalue></term> +<listitem> +<para>The respective command is supported</para> +</listitem> +</varlistentry> +<varlistentry> +<term><returnvalue>bootoptions</returnvalue></term> +<listitem> +<para>The <command>listbootoptions</command> command and the +<option>=</option> to <command>shutdown</command> are supported</para> +</listitem> +</varlistentry> +<varlistentry> +<term><returnvalue>shutdown <list></returnvalue></term> +<listitem> +<para><command>shutdown</command> is supported and allowed for the listed +users (a comma separated list.) <returnvalue>*</returnvalue> means all +authenticated users.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><returnvalue>nuke <list></returnvalue></term> +<listitem> +<para>Forced shutdown may be performed by the listed users.</para> +</listitem> +</varlistentry> +<varlistentry> +<term><returnvalue>nuke</returnvalue></term> +<listitem> +<para>Forced shutdown may be performed by everybody</para> +</listitem> +</varlistentry> +<varlistentry> +<term><returnvalue>reserve <number></returnvalue></term> +<listitem> +<para>Reserve displays are configured, and <returnvalue>number</returnvalue> +are available at this time</para> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>list</command> [<parameter>all</parameter> | +<parameter>alllocal</parameter>]</term> +<listitem> +<para>Return a list of running sessions. By default all active sessions are +listed. if <parameter>all</parameter> is specified, passive sessions are +listed as well. If <parameter>alllocal</parameter> is specified, passive +sessions are listed as well, but all incoming remote sessions are +skipped.</para> +<para>Each session entry is a comma separated tuple of:</para> +<itemizedlist> +<listitem><para>Display or TTY name</para></listitem> +<listitem><para>VT name for local sessions</para></listitem> +<listitem><para>Logged in user's name, empty for passive sessions and +outgoing remote sessions (local chooser mode)</para></listitem> +<listitem><para>Session type or <quote><remote></quote> for outgoing +remote sessions, empty for passive sessions.</para></listitem> +<listitem><para>A Flag field:</para> +<itemizedlist><listitem><para><literal>*</literal> for the display belonging +to the requesting socket.</para></listitem> +<listitem><para><literal>!</literal> for sessions that cannot be killed by the +reqeusting socket.</para></listitem> +</itemizedlist> +</listitem> +</itemizedlist> +<para>New fields may be added in the future.</para> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>reserve</command> [<parameter>timeout in +seconds</parameter>]</term> +<listitem> +<para>Start a reserve login screen. If nobody logs in within the specified +amount of time (one minute by default), the display is removed again. When +the session on the display exits, the display is removed, too.</para> +<para>Permitted only on sockets of local displays and the global +socket.</para> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>activate</command> +(<parameter>vt</parameter>|<parameter>display</parameter>)</term> +<listitem> +<para>Switch to a particular VT (virtual terminal). The VT may be specified +either directly (⪚ <parameter>vt3</parameter>) or by a display using it +(eg; <parameter>:2</parameter>).</para> +<para>Permitted only on sockets of local displays and the global +socket.</para> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>listbootoptions</command></term> +<listitem> +<para>List available boot options.</para> +<!--FIXME: "ok" list default current + default and current are indices into the list and are -1 if unset or + undeterminable. --> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>shutdown</command> (<parameter>reboot</parameter> | +<parameter>halt</parameter>) +[<parameter>=<replaceable>bootchoice</replaceable></parameter>] +(<parameter>ask</parameter>|<parameter>trynow</parameter>|<parameter>forcenow</parameter>|<parameter>schedule</parameter>|<parameter>start +(<parameter>-1</parameter>|<parameter>end +(<parameter>force</parameter>|<parameter>forcemy</parameter>|<parameter>cancel)</parameter>)</parameter>)</parameter>)</term> +<listitem> +<para>Request a system shutdown, either a reboot or a halt/poweroff.</para> +<para>An OS choice for the next boot may be specified from the list returned +by <command>listbootoptions</command></para> +<para>Shutdowns requested from per-display sockets are executed when the +current sessino on that display exits. Such a request may pop up a dialog +asking for confirmation and/or authentication</para> +<para><parameter>start</parameter> is the time for which the shutdown is +scheduled. If it starts with a plus-sign, the current time is added. Zero +means immediately.</para> +<para><parameter>end</parameter> is the latest time at which the shutdown +should be performed if active sessions are still running. If it starts with +a plus-sign, the start time is added. -1 means wait infinitely. If end is +through and active sessions are still running, &tdm; can do one of the +following:</para> +<itemizedlist> +<listitem><para><parameter>cancel</parameter> - give up the +shutdown</para></listitem> +<listitem><para><parameter>force</parameter> - shut down +nonetheless</para></listitem> +<listitem><para><parameter>forcemy</parameter> - shut down nonetheless if +all active sessions belong to the requesting user. Only for per-display sockets.</para></listitem> +</itemizedlist> +<para><parameter>start</parameter> and <parameter>end</parameter> are +specified in seconds since the &UNIX; epoch.</para> +<para><parameter>trynow</parameter> is a synonym for <parameter>0 0 +cancel</parameter>, <parameter>forcenow</parameter> for <parameter>0 0 +force</parameter> and <parameter>schedule</parameter> for <parameter>0 +-1</parameter>.</para> +<para><parameter>ask</parameter> attempts an immediate shutdown and +interacts with the user if active sessions are still running. Only for +per-display sockets.</para> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>shutdown cancel</command> +[<parameter>local</parameter>|<parameter>global</parameter>}</term> +<listitem> +<para>Cancel a scheduled shutdown. The global socket always cancels the +currently pending shutdown, while per-display sockets default to cancelling +their queued request.</para> +</listitem> +</varlistentry> + +<varlistentry> +<term><command>shutdown status</command></term> +<listitem> +<para>Return a list with information about shutdowns.</para> +<para>The entries are a comma-separated tuples of:</para> +<itemizedlist> +<listitem> +<para>(<returnvalue>global</returnvalue>|<returnvalue>local</returnvalue>) - +pending vs. queued shutdown. A local entry can be returned only by a +per-display socket.</para> +</listitem> +<listitem><para>(<returnvalue>halt</returnvalue>|<returnvalue>reboot</returnvalue>)</para></listitem> +<listitem><para>start</para></listitem> +<listitem><para>end</para></listitem> +<listitem><para>("ask"|"force"|"forcemy"|"cancel")</para></listitem> +<listitem><para>Numeric user ID of the requesting user, -1 for the global +socket.</para></listitem> +<listitem><para>The next boot OS choice or "-" for none.</para></listitem> +</itemizedlist> +<para>New fields might be added later</para> +</listitem> +</varlistentry> +</variablelist> +</listitem> +</varlistentry> +</variablelist> +<para>There are two ways of using the sockets:</para> +<itemizedlist> +<listitem> +<para>Connecting them directly. FifoDir is exported as +$<envar>DM_CONTROL</envar>; the name of per-display sockets can be derived +from $<envar>DISPLAY</envar>.</para> +</listitem> +<listitem> +<para>By using the <command>tdmctl</command> command (⪚ from within a +shell script). Try <command>tdmctl</command> <option>-h</option> to find out +more.</para> +</listitem> +</itemizedlist> + +<para>Here is an example bash script <quote>reboot into FreeBSD</quote>:</para> + +<programlisting>if tdmctl | grep -q shutdown; then + IFS=$'\t' + set -- `tdmctl listbootoptions` + if [ "$1" = ok ]; then + fbsd=$(echo "$2" | tr ' ' '\n' | sed -ne 's,\\s, ,g;/freebsd/I{p;q}') + if [ -n "$fbsd" ]; then + tdmctl shutdown reboot "=$fbsd" ask > /dev/null + else + echo "FreeBSD boot unavailable." + fi + else + echo "Boot options unavailable." + fi +else + echo "Cannot reboot system." +fi</programlisting> + +</sect1> +<!-- Riddell: so there's no GUI you need to edit tdmrc to say UseTheme=true and Theme=/path/to/theme.xml +[13:31] <Riddell> jriddell.org/programs has an example theme + +<sect1 id="dm-themes"> +<title>Themes</title> + +&tdm; has limited support for desktop manager themes. You may enable them +by adding <userinput>UseTheme=true</userinput> to <filename>tdmrc</filename> +and <userinput>Theme=/path/to/theme.xml</userinput>. +</sect1> +--> +</chapter> + +<chapter id="Other-Information"> +<title>Other sources of information</title> + +<para>Since &tdm; is descended from &xdm;, the <ulink +url="man:xdm">&xdm; man page</ulink> may provide useful background +information. For X-related problems try the man pages <ulink +url="man:X">X</ulink> and <ulink url="man:startx">startx</ulink>. If you have +questions about &tdm; that are not answered by this handbook, take advantage of +the fact the &tdm; is provided under the terms of the <abbrev>&GNU;</abbrev> +General Public License: look at the source code. +</para> + +</chapter> + + +<chapter id="credits"><title>Credits and License</title> + +<para>&tdm; is derived from, and includes code from, +&xdm; (C) Keith Packard, MIT X Consortium.</para> + +<para>&tdm; 0.1 was written by &Matthias.Ettrich;. Later versions till &kde; +2.0.x were written by &Steffen.Hansen;. Some new features for &kde; 2.1.x and +a major rewrite for &kde; 2.2.x made by &Oswald.Buddenhagen;.</para> + +<para>Other parts of the &tdm; code are copyright by the authors, and +licensed under the terms of the <ulink url="common/gpl-license.html">&GNU; +GPL</ulink>. Anyone is allowed to change &tdm; and redistribute the result +as long as the names of the authors are mentioned.</para> + +<para>&tdm; requires the &Qt; library, which is copyright Troll Tech AS.</para> + +<para>Documentation contributors: +<itemizedlist> + +<listitem><para>Documentation written by &Steffen.Hansen; +<email>stefh@dit.ou.dk</email></para></listitem> + +<listitem><para>Documentation extended by Gregor +Zumstein<email>zumstein@ssd.ethz.ch</email>. Last update August 9, +1998</para></listitem> + +<listitem><para>Documentation revised for &kde; 2 by &Neal.Crook; &Neal.Crook.mail;. Last update August 6, 2000</para></listitem> + +<listitem><para>Documentation extended and revised for &kde; 2.2 by &Oswald.Buddenhagen; &Oswald.Buddenhagen.mail;. Last update August, +2001</para></listitem> + +</itemizedlist></para> + +<para>Documentation copyright &Steffen.Hansen;, Gregor Zumstein, &Neal.Crook; +and &Oswald.Buddenhagen;. This document also includes large parts of the &xdm; +man page, which is © Keith Packard.</para> + +<!--TRANS:CREDIT_FOR_TRANSLATORS --> + +&underFDL; +&underGPL; + +</chapter> + +<glossary id="glossary"> +<title>Glossary</title> + +<glossentry id="gloss-greeter"> +<glossterm>greeter</glossterm> +<glossdef><para>The greeter is the login dialog, &ie; the part of &tdm; +which the user sees.</para> +</glossdef> +</glossentry> + +<glossentry> +<glossterm id="gloss-entropy">entropy</glossterm> +<glossdef><para>The entropy of a system is the measure of its +unpredictability. This is used during the generation of random numbers.</para></glossdef> +</glossentry> + +</glossary> +</book> +<!-- +Local Variables: +mode: xml +sgml-omittag: nil +sgml-shorttag: t +End: +--> + |