LinuxQuestions.org - Login without password in KDM

It seems there are 2 kdmrc files on my system.
Which one is actually used? It seems the 1st one is used by the KDE Control Center.

1. /etc/opt/kde3/share/config/kdm/kdmrc:

Code:

[General]

AuthDir=/var/lib/xdm/authdir/authfiles/

ConfigVersion=2.3

ConsoleTTYs=tty1,tty2,tty3,tty4,tty5,tty6

ExportList=LANG

PidFile=/var/run/kdm.pid

ReserveServers=:1,:2,:3,:4,:5

ServerVTs=-7

StaticServers=:0



[Shutdown]

BootManager=Grub

HaltCmd=/sbin/halt

RebootCmd=/sbin/reboot



[X-*-Core]

AllowNullPasswd=true

AllowRootLogin=true

AllowShutdown=Root

AuthNames=XDM-AUTHORIZATION-1,MIT-MAGIC-COOKIE-1

AutoReLogin=false

ClientLogFile=.xsession-errors-%s

Reset=/etc/X11/xdm/Xreset

Resources=/etc/X11/xdm/Xresources

Session=/etc/X11/xdm/Xsession

SessionsDirs=/etc/X11/sessions,/usr/share/xsessions,/opt/kde3/share/apps/kdm/sessions

Setup=/etc/X11/xdm/Xsetup

Startup=/etc/X11/xdm/Xstartup

TerminateServer=true



[X-*-Greeter]

AntiAliasing=true

BackgroundCfg=/etc/opt/kde3/share/config/kdm/backgroundrc

ColorScheme=SUSE-kdm

EchoMode=OneStar

FaceSource=AdminOnly

FailFont=Sans Serif,12,-1,5,74,0,0,0,0,0

FocusPasswd=false

ForgingSeed=1104924527

GUIStyle=

GreetFont=Sans Serif,17,-1,5,48,0,0,0,0,0

GreetString=SUSE LINUX 10.0 (%h)

GreeterPos=50,50

HiddenUsers=root,nobody,bigsister

Language=en_US

LogoArea=Clock

LogoPixmap=

MaxShowUID=65000

MinShowUID=500

Preloader=/opt/kde3/bin/preloadkde

SelectedUsers=

ShowUsers=NotHidden

SortUsers=true

StdFont=Sans Serif,11,-1,5,48,0,0,0,0,0

Theme=/opt/kde3/share/apps/kdm/themes/SUSE

UseBackground=false

UseTheme=true

UserCompletion=false

UserList=true



[X-:*-Core]

AllowNullPasswd=true

AllowRootLogin=true

AllowShutdown=All

NoPassEnable=true

NoPassUsers=[names hidden]

ServerArgsLocal=-nolisten tcp

ServerCmd=/usr/X11R6/bin/X -br



[X-:*-Greeter]

AllowClose=false

DefaultUser=erik

FocusPasswd=true

LoginMode=DefaultLocal

PreselectUser=Previous

UseAdminSession=true



[X-:0-Core]

AutoLoginEnable=false

AutoLoginUser=erik

ClientLogFile=.xsession-errors

NoPassEnable=false          (strange, here it is false; above it was true)

NoPassUsers=[names hidden] (these are the users who actually should be able to login without password) 



[X-:0-Greeter]

LogSource=/dev/xconsole

UseAdminSession=false



[Xdmcp]

Enable=false

Willing=/etc/X11/xdm/Xwilling

Xaccess=/etc/X11/xdm/Xaccess

2. /opt/kde3/share/config/kdm/kdmrc

Code:

# KDM master configuration file

#

# Definition: the greeter is the login dialog, i.e., the part of KDM

# which the user sees.

[hiding comments]



[General]

[hiding inrelevant data]



[Xdmcp]

[hiding inrelevant data]



[Shutdown]

[hiding inrelevant data]



# Core config for all displays

[X-*-Core]

[hiding inrelevant data]

# Allow to log in, when user has set an empty password?

# Default is true

AllowNullPasswd=false

# Who is allowed to shut down the system. This applies both to the

# greeter and to the command FiFo.

# "None" - no "Shutdown..." menu entry is shown at all

# "Root" - the root password must be entered to shut down

# "All" - everybody can shut down the machine

# Default is All

AllowShutdown=Root

# Who is allowed to abort active sessions when shutting down.

# "None" - no forced shutdown is allowed at all

# "Root" - the root password must be entered to shut down forcibly

# "All" - everybody can shut down the machine forcibly

# Default is All

#AllowSdForceNow=Root

# The default choice for the shutdown condition/timing.

# "Schedule" - shut down after all active sessions exit (possibly at once)

# "TryNow" - shut down, if no active sessions are open; otherwise, do nothing

# "ForceNow" - shut down unconditionally

# Default is Schedule

#DefaultSdMode=ForceNow

# How to offer shutdown scheduling options:

# "Never" - not at all

# "Optional" - as a button in the simple shutdown dialogs

# "Always" - instead of the simple shutdown dialogs

# Default is Never

#ScheduledSd=Optional

# The directories containing session type definitions in .desktop format.

# Default is "/opt/kde3/share/apps/kdm/sessions,/usr/share/xsessions"

#SessionsDirs=/etc/X11/sessions,/usr/share/xsessions

# The file (relative to $HOME) to redirect the session output to. This is

# a printf format string; one %s will be replaced with the display name.

# Default is ".xsession-errors"

ClientLogFile=.xsession-errors-%s

# Whether KDM's built-in utmp/wtmp/lastlog registration should be used.

# Default is true

#UseSessReg=false

# Which X-authorization mechanisms should be used.

# Default is "MIT-MAGIC-COOKIE-1"

AuthNames=MIT-MAGIC-COOKIE-1

# Restart instead of resetting the local X-server after session exit.

# Use it if the server leaks memory etc.

# Default is false

TerminateServer=false



# Greeter config for all displays

[X-*-Greeter]

# Widget style of the greeter. "" means the built-in default which currently

# is "Plastik".

# Default is ""

#GUIStyle=Windows

# Admin session

# Default is false

#UseAdminSession=true

# Widget color scheme of the greeter. "" means the built-in default which

# currently is yellowish grey with some light blue and yellow elements.

# Default is ""

#ColorScheme=Pumpkin

# What should be shown in the greeter's logo are:

# "None" - nothing

# "Logo" - the image specified by LogoPixmap

# "Clock" - a neat analog clock

# Default is Clock

LogoArea=Logo

# The image to show when LogoArea=Logo.

# Default is ""

LogoPixmap=/opt/kde3/share/apps/kdm/pics/kdelogo.png

# The relative coordinates (X,Y in percent) of the center of the greeter.

# Default is "50,50"

#GreeterPos=30,40

# The screen the greeter should be displayed on in multi-headed and Xinerama

# setups. The numbering starts with 0. For Xinerama, it corresponds to the

# listing order in the active ServerLayout section of XF86Config; -1 means

# to use the upper-left screen, -2 means to use the upper-right screen.

# Default is 0

#GreeterScreen=-1

# The headline in the greeter. The following character pairs are replaced:

# - %d -> current display

# - %h -> host name, possibly with domain name

# - %n -> node name, most probably the host name without domain name

# - %s -> the operating system

# - %r -> the operating system's version

# - %m -> the machine (hardware) type

# - %% -> a single %

# Default is "Welcome to %s at %n"

#GreetString=K Desktop Environment (%n)

# Whether the fonts used in the greeter should be antialiased.

# Default is false

#AntiAliasing=true

# The font for the greeter headline.

# Default is "charter,24,bold"

#GreetFont=charter,20,5,0,50,0

# The normal font used in the greeter.

# Default is "helvetica,12"

#StdFont=helvetica,10,5,0,50,0

# The font used for the "Login Failed" message.

# Default is "helvetica,12,bold"

#FailFont=helvetica,10,5,0,75,0

# What to do with the Num Lock modifier for the time the greeter is running:

# "Off" - turn off

# "On" - turn on

# "Keep" - do not change the state

# Default is Keep

#NumLock=Off

# Language and locale to use in the greeter, encoded like $LC_LANG.

# Default is "en_US"

#Language=de_DE

# Enable autocompletion in the username line edit.

# Default is false

#UserCompletion=true

# Enable user list (names along with images) in the greeter.

# Default is true

#UserList=false

# User selection for UserCompletion and UserList:

# "NotHidden" - all users except those listed in HiddenUsers

# "Selected" - only the users listed in SelectedUsers

# Default is NotHidden

#ShowUsers=Selected

# For ShowUsers=Selected. @<group> means all users in that group.

# Default is ""

#SelectedUsers=root,johndoe

# For ShowUsers=NotHidden. @<group> means all users in that group.

# Default is ""

#HiddenUsers=root

# Special case of HiddenUsers: users with a non-zero UID less than this number

# will not be shown as well.

# Default is 0

MinShowUID=500

# Complement to MinShowUID: users with a UID greater than this number will

# not be shown as well.

# Default is 65535

MaxShowUID=65000

# If false, the users are listed in the order they appear in /etc/passwd.

# If true, they are sorted alphabetically.

# Default is true

#SortUsers=false

# Specify, where the users' pictures should be taken from.

# "AdminOnly" - from <FaceDir>/$USER.face[.icon]

# "PreferAdmin" - prefer <FaceDir>, fallback on $HOME

# "PreferUser" - ... and the other way round

# "UserOnly" - from the user's $HOME/.face[.icon]

# Default is AdminOnly

#FaceSource=PreferUser

# The directory containing the user images if FaceSource is not UserOnly.

# Default is "/opt/kde3/share/apps/kdm/faces"

#FaceDir=/usr/share/faces

# Specify, if/which user should be preselected for log in.

# "None" - do not preselect any user

# "Previous" - the user which successfully logged in last time

# "Default" - the user specified in the DefaultUser option

# Default is None

#PreselectUser=Previous

# If this is true, the password input line is focused automatically if

# a user is preselected.

# Default is false

#FocusPasswd=true

# The password input fields cloak the typed in text. Specify, how to do it:

# "OneStar" - <literal>*</literal> is shown for every typed letter

# "ThreeStars" - <literal>***</literal> is shown for every typed letter

# "NoEcho" - nothing is shown at all, the cursor does not move

# Default is OneStar

#EchoMode=NoEcho

# If true, krootimage will be automatically started by KDM; otherwise, the

# Setup script should be used to setup the background.

# Default is true

#UseBackground=false

# The configuration file to be used by krootimage.

# Default is "/opt/kde3/share/config/kdm/backgroundrc"

BackgroundCfg=/opt/kde3/share/config/kdm/backgroundrc

# Hold the X-server grabbed the whole time the greeter is visible. This

# may be more secure, but it will disable any background and other

# X-clients started from the Setup script.

# Default is false

#GrabServer=true

# How many seconds to wait for grab to succeed.

# Default is 3

#GrabTimeout=3

# Warn, if display has no X-authorization (local auth cannot be created,

# XDMCP display wants no auth, or display is foreign from StaticServers).

# Default is true

AuthComplain=false

# Random seed for forging saved session types, etc. of unknown users.

# This value should be random but constant across the login domain.

# Default is 0

ForgingSeed=1126696757

# Specify conversation plugins for the login dialog. Each plugin can be

# specified as a base name (which expands to $kde_modulesdir/kgreet_$base)

# or as a full pathname.

# Default is "classic"

#PluginsLogin=sign

# Same as PluginsLogin, but for the shutdown dialog.

# Default is "classic"

#PluginsShutdown=modern

# A list of options of the form Key=Value. The conversation plugins can query

# these settings; it is up to them what possible keys are.

# Default is ""

#PluginOptions=SomeKey=randomvalue,Foo=bar

# Show the "Console Login" action in the greeter (if ServerTTY/ConsoleTTYs

# is configured).

# Default is true

#AllowConsole=false

# A program to run while the greeter is visible. It is supposed to preload

# as much as possible of the session that is going to be started (most

# probably).

# Default is ""

Preloader=/opt/kde3/bin/preloadkde

# Whether the greeter should be themed.

# Default is false

#UseTheme=true

# The theme to use for the greeter. Can point to either a directory or an XML

# file.

# Default is ""

Theme=/opt/kde3/share/apps/kdm/themes/circles



# Core config for local displays

[X-:*-Core]

# How often to try to run the X-server. Running includes executing it and

# waiting for it to come up.

# Default is 1

#ServerAttempts=1

# How long to wait for a local X-server to come up.

# Default is 15

#ServerTimeout=15

# The command line to start the X-server, without display number and VT spec.

# This string is subject to word splitting.

# Default is "/usr/X11R6/bin/X"

ServerCmd=/usr/X11R6/bin/X -br

# Additional arguments for the X-servers for local sessions.

# This string is subject to word splitting.

# Default is ""

ServerArgsLocal=-nolisten tcp

# Additional arguments for the X-servers for remote sessions.

# This string is subject to word splitting.

# Default is ""

#ServerArgsRemote=

# See above

#TerminateServer=true

# The signal needed to reset the local X-server.

# Default is 1 (SIGHUP)

#ResetSignal=1

# The signal needed to terminate the local X-server.

# Default is 15 (SIGTERM)

#TermSignal=15

# Create X-authorizations for local displays.

# Default is true

#Authorize=false

# See above

#AuthNames=

# Need to reset the X-server to make it read initial Xauth file.

# Default is false

#ResetForAuth=true

# See above

AllowNullPasswd=true

# See above

AllowShutdown=All

# Enable password-less logins on this display. USE WITH EXTREME CARE!

# Default is false

#NoPassEnable=true

# The users that do not need to provide a password to log in. NEVER list root!

# "*" means all non-root users. @<group> means all users in that group.

# Default is ""

#NoPassUsers=fred,ethel

# All users can login without password

# Default is false

#NoPassAllUsers=true



# Greeter config for local displays

[X-:*-Greeter]

# See above

PreselectUser=Previous

# See above

FocusPasswd=true

# Specify whether the greeter of local displays should start up in host chooser

# (remote) or login (local) mode and whether it is allowed to switch to the

# other mode.

# "LocalOnly" - only local login possible

# "DefaultLocal" - start up in local mode, but allow switching to remote mode

# "DefaultRemote" - ... and the other way round

# "RemoteOnly" - only choice of remote host possible

# Default is LocalOnly

LoginMode=DefaultLocal

# A list of hosts to be automatically added to the remote login menu. The

# special name "*" means broadcast.

# Default is "*"

#ChooserHosts=*,ugly,sky,dino,kiste.local,login.crap.com

# Show the "Restart X Server"/"Close Connection" action in the greeter.

# Default is true

AllowClose=false



# Core config for 1st local display

[X-:0-Core]

# The VT the X-server should run on; auto-assign if zero, don't assign if -1.

# Better leave it zero and use ServerVTs.

# Default is 0

#ServerVT=7

# Enable automatic login. USE WITH EXTREME CARE!

# Default is false

#AutoLoginEnable=true

# The user to log in automatically. NEVER specify root!

# Default is ""

#AutoLoginUser=fred

# The password for the user to log in automatically. This is NOT required

# unless the user is logged into a NIS or Kerberos domain. If you use this

# option, you should "chmod 600 kdmrc" for obvious reasons.

# Default is ""

#AutoLoginPass=secret!

# See above

ClientLogFile=.xsession-errors

# See above

Authorize=true

# See above

TerminateServer=true



# Greeter config for 1st local display

[X-:0-Greeter]

# See above

#PreselectUser=Default

# The user to preselect if PreselectUser=Default.

# Default is ""

#DefaultUser=johndoe

# Enable KDM's built-in xconsole. Note that this can be enabled for only

# one display at a time.

# Default is false

ShowLog=true

# The data source for KDM's built-in xconsole.

# If empty, a console log redirection is requested from /dev/console.

# Default is ""

LogSource=/dev/xconsole



[X-:1-Core]

# See above

Authorize=true