niente…
Rimostraci questo:
# cat /etc/lightdm/lightdm.conf[code] #
General configuration
start-default-seat = True to always start one seat if none are defined in the configuration
greeter-user = User to run greeter as
minimum-display-number = Minimum display number to use for X servers
minimum-vt = First VT to run displays on
lock-memory = True to prevent memory from being paged to disk
user-authority-in-system-dir = True if session authority should be in the system location
guest-account-script = Script to be run to setup guest account
logind-load-seats = True to automatically set up multi-seat configuration from logind
logind-check-graphical = True to on start seats that are marked as graphical by logind
log-directory = Directory to log information to
run-directory = Directory to put running state in
cache-directory = Directory to cache to
sessions-directory = Directory to find sessions
remote-sessions-directory = Directory to find remote sessions
greeters-directory = Directory to find greeters
[LightDM]
#start-default-seat=true
#greeter-user=lightdm
#minimum-display-number=0
minimum-vt=1
#lock-memory=true
user-authority-in-system-dir=true
#guest-account-script=guest-account
#logind-load-seats=false
#logind-check-graphical=false
#log-directory=/var/log/lightdm
#run-directory=/var/run/lightdm
#cache-directory=/var/cache/lightdm
#sessions-directory=/usr/share/lightdm/sessions:/usr/share/xsessions
#remote-sessions-directory=/usr/share/lightdm/remote-sessions
#greeters-directory=/usr/share/lightdm/greeters:/usr/share/xgreeters
Seat defaults
type = Seat type (xlocal, xremote)
xdg-seat = Seat name to set pam_systemd XDG_SEAT variable and name to pass to X server
pam-service = PAM service to use for login
pam-autologin-service = PAM service to use for autologin
pam-greeter-service = PAM service to use for greeters
xserver-command = X server command to run (can also contain arguments e.g. X -special-option)
xserver-layout = Layout to pass to X server
xserver-config = Config file to pass to X server
xserver-allow-tcp = True if TCP/IP connections are allowed to this X server
xserver-share = True if the X server is shared for both greeter and session
xserver-hostname = Hostname of X server (only for type=xremote)
xserver-display-number = Display number of X server (only for type=xremote)
xdmcp-manager = XDMCP manager to connect to (implies xserver-allow-tcp=true)
xdmcp-port = XDMCP UDP/IP port to communicate on
xdmcp-key = Authentication key to use for XDM-AUTHENTICATION-1 (stored in keys.conf)
unity-compositor-command = Unity compositor command to run (can also contain arguments e.g. unity-system-compositor -special-option)
unity-compositor-timeout = Number of seconds to wait for compositor to start
greeter-session = Session to load for greeter
greeter-hide-users = True to hide the user list
greeter-allow-guest = True if the greeter should show a guest login option
greeter-show-manual-login = True if the greeter should offer a manual login option
greeter-show-remote-login = True if the greeter should offer a remote login option
user-session = Session to load for users
allow-user-switching = True if allowed to switch users
allow-guest = True if guest login is allowed
guest-session = Session to load for guests (overrides user-session)
session-wrapper = Wrapper script to run session with
greeter-wrapper = Wrapper script to run greeter with
guest-wrapper = Wrapper script to run guest sessions with
display-setup-script = Script to run when starting a greeter session (runs as root)
display-stopped-script = Script to run after stopping the display server (runs as root)
greeter-setup-script = Script to run when starting a greeter (runs as root)
session-setup-script = Script to run when starting a user session (runs as root)
session-cleanup-script = Script to run when quitting a user session (runs as root)
autologin-guest = True to log in as guest by default
autologin-user = User to log in with by default (overrides autologin-guest)
autologin-user-timeout = Number of seconds to wait before loading default user
autologin-session = Session to load for automatic login (overrides user-session)
autologin-in-background = True if autologin session should not be immediately activated
exit-on-failure = True if the daemon should exit if this seat fails
[SeatDefaults]
#type=xlocal
#xdg-seat=seat0
#pam-service=lightdm
#pam-autologin-service=lightdm-autologin
#pam-greeter-service=lightdm-greeter
xserver-command=X -background none
#xserver-layout=
#xserver-config=
#xserver-allow-tcp=false
#xserver-share=true
#xserver-hostname=
#xserver-display-number=
#xdmcp-manager=
#xdmcp-port=177
#xdmcp-key=
#unity-compositor-command=unity-system-compositor
#unity-compositor-timeout=60
greeter-session=lightdm-greeter
#greeter-hide-users=false
#greeter-allow-guest=true
#greeter-show-manual-login=false
#greeter-show-remote-login=true
#user-session=default
#allow-user-switching=true
#allow-guest=true
#guest-session=
session-wrapper=/etc/X11/xinit/Xsession
#greeter-wrapper=
#guest-wrapper=
#display-setup-script=
#display-stopped-script=
greeter-setup-script=/bin/xbacklight -set 30
#session-setup-script=
#session-cleanup-script=
#autologin-guest=false
#autologin-user=
#autologin-user-timeout=0
#autologin-in-background=false
#autologin-session=UNIMPLEMENTED
#exit-on-failure=false
Seat configuration
Each seat must start with “Seat:”.
Uses settings from [SeatDefaults], any of these can be overriden by setting them in this section.
#[Seat:0]
XDMCP Server configuration
enabled = True if XDMCP connections should be allowed
port = UDP/IP port to listen for connections on
key = Authentication key to use for XDM-AUTHENTICATION-1 or blank to not use authentication (stored in keys.conf)
The authentication key is a 56 bit DES key specified in hex as 0xnnnnnnnnnnnnnn. Alternatively
it can be a word and the first 7 characters are used as the key.
[XDMCPServer]
#enabled=false
#port=177
#key=
VNC Server configuration
enabled = True if VNC connections should be allowed
command = Command to run Xvnc server with
port = TCP/IP port to listen for connections on
width = Width of display to use
height = Height of display to use
depth = Color depth of display to use
[VNCServer]
#enabled=false
#command=Xvnc
#port=5900
#width=1024
#height=768
#depth=8 [/code]
- Ripristina il file di backup:
# cp /etc/lightdm/lightdm.conf.backup /etc/lightdm/lightdm.conf- Edita lightdm.conf:
# pluma /etc/lightdm/lightdm.conf- Cerca la seguente riga:
#display-setup-script=- Modificala come segue:
display-setup-script=/bin/xbacklight -set 30- Riavvia. Se ancora non funziona, rimostraci:
# cat /etc/lightdm/lightdm.conf