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vncserver(1)		   Virtual Network Computing		  vncserver(1)

NAME
       vncserver - start or stop a VNC server

SYNOPSIS
       vncserver  [:display#]  [-name  desktop-name]  [-geometry widthxheight]
       [-depth depth] [-pixelformat format] [Xvnc-options...]
       vncserver -kill :display#

DESCRIPTION
       vncserver is used to start a VNC	(Virtual Network  Computing)  desktop.
       vncserver  is a Perl script which simplifies the	process	of starting an
       Xvnc server.  It	runs Xvnc with appropriate options and starts  some  X
       applications to be displayed in the VNC desktop.

       vncserver  can  be  run	with  no  options at all. In this case it will
       choose the first	available display number (usually :1), start  Xvnc  as
       that  display,  and  run	 a  couple  of	basic  applications to get you
       started.	You can	also specify the display number, in which case it will
       use that	number if it is	available and exit if not, eg:

	      vncserver	:13

       Editing	the file $HOME/.vnc/xstartup allows you	to change the applica-
       tions run at startup (but note that this	will not  affect  an  existing
       desktop).

OPTIONS
       You  can	 get a list of options by giving -h as an option to vncserver.
       In addition to the options listed below,	any unrecognised options  will
       be passed to Xvnc - see the Xvnc	man page, or "Xvnc -help" for details.

       -name desktop-name
	      Each desktop has a name which may	be displayed by	the viewer. It
	      defaults to "host:display# (username)" but  you  can  change  it
	      with  this  option.   It is passed in to the xstartup script via
	      the $VNCDESKTOP environment variable, allowing you to run	a dif-
	      ferent set of applications according to the name of the desktop.

       -geometry widthxheight
	      Specify  the  size  of  the  desktop  to	be created. Default is
	      1024x768.

       -depth depth
	      Specify the pixel	depth in bits of the desktop  to  be  created.
	      Default is 16, other possible values are 8, 15 and 24 - anything
	      else is likely to	cause strange behaviour	by applications.

       -pixelformat format
	      Specify pixel format for server to use (BGRnnn or	RGBnnn).   The
	      default  for depth 8 is BGR233 (meaning the most significant two
	      bits represent blue, the next three green, and the least signif-
	      icant  three  represent red), the	default	for depth 16 is	RGB565
	      and for depth 24 is RGB888.

       -cc 3  As an alternative	to the default TrueColor visual,  this	allows
	      you  to  run  an Xvnc server with	a PseudoColor visual (i.e. one
	      which uses a colour map or palette), which  can  be  useful  for
	      running  some  old X applications	which only work	on such	a dis-
	      play.  Values other than 3 (PseudoColor) and 4  (TrueColor)  for
	      the  -cc option may result in strange behaviour, and PseudoColor
	      desktops must be 8 bits deep.

       -kill :display#
	      This kills a VNC desktop previously started with vncserver.   It
	      does  this  by  killing  the  Xvnc  process, whose process ID is
	      stored in	the file "$HOME/.vnc/host:display#.pid".  It  actually
	      ignores  anything	 preceding a ":" in its	argument.  This	can be
	      useful so	you can	write "vncserver -kill $DISPLAY", for  example
	      at  the end of your xstartup file	after a	particular application
	      exits.

FILES
       Several VNC-related files are found in the directory $HOME/.vnc:

       $HOME/.vnc/xstartup
	      A	shell script specifying	X applications to be run  when	a  VNC
	      desktop  is started.  If it doesn't exist, vncserver will	create
	      a	new one	which runs a couple of basic applications.

       $HOME/.vnc/passwd
	      The VNC password file.

       $HOME/.vnc/host:display#.log
	      The log file for Xvnc and	applications started in	xstartup.

       $HOME/.vnc/host:display#.pid
	      Identifies the Xvnc process ID, used by the -kill	option.

SEE ALSO
       vncviewer(1), vncpasswd(1), vncconfig(1), Xvnc(1)
       http://www.realvnc.com

AUTHOR
       Tristan Richardson, RealVNC Ltd.

       VNC was originally developed by the RealVNC team	while at Olivetti  Re-
       search  Ltd  / AT&T Laboratories	Cambridge.  It is now being maintained
       by RealVNC Ltd.	See http://www.realvnc.com for details.

RealVNC	Ltd			  03 Mar 2005			  vncserver(1)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | FILES | SEE ALSO | AUTHOR

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