

                    ***** Switch on/off features (and dependant optional options) *****


|   Variable    |   Possible Values     |   Default value  |       Comment
---------------------------------------------------------------------------------------------
SOUND               Y,y,True,true            unset
 (SOUND_DAEMON)     esd , nasd               esd
---------------------------------------------------------------------------------------------
LOCALDEV            Y,y,True,true            unset
---------------------------------------------------------------------------------------------
DNS_SERVER          A valid IP               unset
 (SEARCH_DOMAIN)    Domainname               unset           required if DNS_SERVER is set
---------------------------------------------------------------------------------------------
CONSOLE_KEYMAP      A valid console keymap   en
---------------------------------------------------------------------------------------------
NBD_SWAP            Y,y,True,true            unset
 (SWAP_SERVER)      nbd server IP            ltsp server
 (NBD_PORT)         A valid nbd portnumber   9572
---------------------------------------------------------------------------------------------
USE_LOCAL_SWAP      Y,y,True,true            unset
---------------------------------------------------------------------------------------------
PRINTER_0_DEVICE    dev (i.e. /dev/usblp0)   unset
 (PRINTER_0_TYPE)   P(parallel), S(serial)   unset           only required for serial,
                    U(USB)                                   others are autodetected
 (PRINTER_0_PORT)   A valid portnumber       9100
 (PRINTER_0_WRITE_ONLY)     Y,N              N               
 (PRINTER_0_SPEED)  A baud rate              9600            serial only
 (PRINTER_0_FLOWCTRL) flow control param     S               serial only
 (PRINTER_0_PARITY) Parity setting           N               serial only
 (PRINTER_0_DATABITS) Bitnumber              8               serial only
 (PRINTER_0_OPTIONS) additional options      unset
                     the printer understands
---------------------------------------------------------------------------------------------
USE_XFS             Y,y,True,true            unset
 (XFS_SERVER)       Font server IP           unset
---------------------------------------------------------------------------------------------
XKBLAYOUT           A valid xorg Layout      unset           see xorg documentation for value
---------------------------------------------------------------------------------------------
XKBMODEL            A valid xkb model        unset           see xorg documentation for value
---------------------------------------------------------------------------------------------
XKBRULES            A set of xkb rules       unset           see xorg documentation for value
---------------------------------------------------------------------------------------------
XKBOPTIONS          A set of xkb options     unset           see xorg documentation for value
---------------------------------------------------------------------------------------------
XKBVARIANT          A valid xkb variant      unset           see xorg documentation for value
---------------------------------------------------------------------------------------------
NETWORK_COMPRESSION Y,y,True,true            unset           compress ssh traffic
---------------------------------------------------------------------------------------------
LDM_REMOTECMD       A custom command (path   Xsession        use to override default session
                    on the server)
---------------------------------------------------------------------------------------------
RCFILE_nn           A custom rc file         unset
---------------------------------------------------------------------------------------------


                               ***** Overrides for autodetected values *****


|   Variable    |   Possible Values     |   Default value  |       Comment
---------------------------------------------------------------------------------------------
SCREEN_nn           ldm, sdm, shell,        ldm
                    startx, telnet
---------------------------------------------------------------------------------------------
SERVER              Server IP               ltsp server
---------------------------------------------------------------------------------------------
SYSLOG_HOST         Server IP               ltsp server      add SYSLOGD="-r" to the servers 
                                                             /etc/ltsp/syslogd file first
---------------------------------------------------------------------------------------------
MODULE_nn           Kernel module name      autodetected     use to force loading of specific 
                                                             module
---------------------------------------------------------------------------------------------
XF86CONFIG_FILE     path to a file          autodetected     relative to /opt/ltsp/$ARCH
or
X_CONF
---------------------------------------------------------------------------------------------
XSERVER             ark                     autodetected
                    ati
                    atimisc
                    chips
                    cirrus_alpine
                    cirrus
                    cirrus_laguna
                    cyrix
                    dummy
                    fbdev
                    fglrx
                    glint
                    i128
                    i740
                    i810
                    imstt
                    mga
                    neomagic
                    newport
                    nsc
                    nv
                    r128
                    radeon
                    rendition
                    riva128
                    s3
                    s3virge
                    savage
                    siliconmotion
                    sis
                    sisusb
                    tdfx
                    tga
                    trident
                    tseng
                    v4l
                    vesa
                    vga
                    via
                    vmware
                    voodoo
---------------------------------------------------------------------------------------------
X_HORZSYNC          min-max MHz             autdetected      use for forcing X_MODE
---------------------------------------------------------------------------------------------
X_VERTREFRESH       min-max Hz              autdetected      use for forcing X_MODE
---------------------------------------------------------------------------------------------
X_COLOR_DEPTH       2, 4, 8, 16, 24, 32     32               set to 16bit to save client mem
---------------------------------------------------------------------------------------------
X_MOUSE_DEVICE      /dev/ttySn              autodetected     serial mice only, 
                                                             all others are autodetected
 (X_MOUSE_PROTOCOL) sunkbd                  unset            serial only (see above)
                    lkkbd
                    vsxxxaa
                    spaceorb
                    spaceball
                    magellan
                    warrior
                    stinger
                    mousesystems
                    sunmouse
                    microsoft
                    mshack
                    mouseman
                    intellimouse
                    mmwheel
                    iforce
                    h3600ts
                    stowawaykbd
                    ps2serkbd
                    twiddler
                    twiddlerjoy
---------------------------------------------------------------------------------------------
X_MOUSE_EMULATE3BTN Y,y,True,true           unset
---------------------------------------------------------------------------------------------
TELNET_HOST         Telnet server IP        ltsp server      for use with SCREEN_nn=telnet
---------------------------------------------------------------------------------------------
XDM_SERVER          XDMCP server IP         ltsp server      for use with SCREEN_nn=startx
---------------------------------------------------------------------------------------------
SSH_OVERRIDE_PORT   Portnumber              unset            for use wiht a dedicated ssh port
---------------------------------------------------------------------------------------------
