Lightdm

x11-misc/lightdm


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http://www.freedesktop.org/wiki/Software/LightDM

Summary: A lightweight display manager

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Lightdm

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Lightdm is a light display manager. It's an excellent alternative to gdm, & kdm. Lightdm is used in conjunction with Package:XDM (Display Manager).

Install

# emerge lightdm

Configuration

Lightdm is configured with /etc/lightdm/lightdm.conf, and /etc/conf.d/xdm. By default, lightdm ships with lightdm-gtk-greeter which is controlled by /etc/lightdm/lightdm-gtk-greeter.conf You'll need to edit the following file to tell the system which display manager to use, and to ensure that dbus is started prior to lightdm. Lightdm will crash if dbus is not running. Change the xdm file to the following:

/etc/conf.d/xdm - xdm configuration to use lightdm
DISPLAYMANAGER="lightdm"
rc_need="dbus"

If you want the user to type in the username, you can set these options.

/etc/lightdm/lightdm.conf - to make users manually enter the user name
[SeatDefaults]
greeter-hide-users=true
greeter-show-manual-login=true

Greeters

LightDM will be pretty useless for graphical logins with out the addition of a greeter for it.

For GTK fans:

# emerge x11-misc/lightdm-gtk-greeter
for KDE fans:

# emerge x11-misc/lightdm-kde
Or if you prefer a webkit based greeter (Package:Lightdm-webkit-greeter):

# emerge x11-misc/lightdm-webkit-greeter
To start LightDM on boot, xdm to the default runlevel. dbus may already be added, but if it's not, it will be started anyway because we have configured xdm to depend on it (see /etc/conf.d/xdm, above).

# rc-update add xdm default
If you wish to change the background, you can follow these settings:

For LightDM GTK+ greeter edit /etc/lightdm/lightdm-gtk-greeter.conf:

/etc/lightdm/lightdm-gtk-greeter.conf - lightdm-gtk-greeter.conf
background=/path/to/wallpaper/file.png

LightDM should display on reboot, which you may want to do now.

# reboot