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vncviewer


NAME
     vncviewer - VNC viewer for X

SYNOPSIS
     /usr/bin/vncviewer [options] [host][:display#]
     vncviewer [options] -listen [port]

DESCRIPTION
     vncviewer is a viewer (client) for Virtual  Network  Comput-
     ing.   This manual page documents version 4 for the X window
     system.

     If you run the viewer with no arguments it will  prompt  you
     for  a VNC server to connect to.  Alternatively, specify the
     VNC server as an argument, e.g.:

          vncviewer snoopy:2

     where 'snoopy' is the name of the machine, and  '2'  is  the
     display  number  of  the VNC server on that machine.  Either
     the machine name or display number can be omitted.   So  for
     example ":1" means display number 1 on the same machine, and
     "snoopy"  means  "snoopy:0"  i.e.  display  0   on   machine
     "snoopy".

     If the VNC server is successfully  contacted,  you  will  be
     prompted  for  a password to authenticate you.  If the pass-
     word is correct, a window will appear showing the desktop of
     the VNC server.


AUTOMATIC PROTOCOL SELECTION
     The viewer tests the speed of the connection to  the  server
     and  chooses  the  encoding  and pixel format (colour level)
     appropriately.  This makes it much easier to use than previ-
     ous  versions  where  the user had to specify arcane command
     line arguments.

     The viewer normally starts out assuming the  link  is  slow,
     using  a  low  colour  level and using the encoding with the
     best compression.  If it turns out that  the  link  is  fast
     enough  it  switches  to  full-colour  mode  and will use an
     encoding which compresses less but is  faster  to  generate,
     thus  improving  the  interactive feel.  Automatic selection
     can be turned off by setting  the  AutoSelect  parameter  to
     false, or from the options dialog.


POPUP MENU
     The viewer has a popup menu containing entries which perform
     various  actions.   It is usually brought up by pressing F8,
     but this can  be  configured  with  the  MenuKey  parameter.
     Actions which the popup menu can perform include:

       * switching in and out of full-screen mode

       * quitting the viewer

       * generating key events, e.g. sending ctrl-alt-del

       * accessing the options dialog and various other dialogs

     By default, key presses in the popup menu get  sent  to  the
     VNC  server  and dismiss the popup.  So to get an F8 through
     to the VNC server simply press it twice.


FULL SCREEN MODE
     A full-screen mode is supported.  This is particularly  use-
     ful  when  connecting  to  a remote screen which is the same
     size as your local one. If the remote screen is bigger,  you
     can  scroll  by  bumping  the  mouse against the edge of the
     screen.

     Unfortunately this mode doesn't  work  completely  with  all
     window  managers,  since  it  breaks the X window management
     conventions.


OPTIONS (PARAMETERS)
     You can get a list of parameters by giving -h as a  command-
     line  option to vncviewer.  Parameters can be turned on with
     -param or off with -param=0.  Parameters which take a  value
     can  be  specified  as  -param value.  Other valid forms are
     param=value -param=value --param=value.  Parameter names are
     case-insensitive.

     Many of the parameters can also be set graphically  via  the
     options  dialog  box.   This  can be accessed from the popup
     menu or from the "Connection details" dialog box.


     -display Xdisplay
          Specifies the X display on which the VNC viewer  window
          should appear.


     -geometry geometry
          Standard X position and sizing specification.


     -listen [port]
          Causes vncviewer to listen on the given  port  (default
          5500)  for  reverse  connections  from  a  VNC  server.
          WinVNC supports reverse connections initiated using the
          'Add   New   Client'  menu  option  or  the  '-connect'
          command-line option.  Xvnc supports reverse connections
          with a helper program called vncconfig.


     -passwd password-file
          If you are on a filesystem which gives  you  access  to
          the  password  file used by the server, you can specify
          it here to avoid typing it  in.   It  will  usually  be
          "~/.vnc/passwd".


     -Shared
          When you make a connection to a VNC server,  all  other
          existing  connections are normally closed.  This option
          requests that they be left open, allowing you to  share
          the desktop with someone already using it.


     -ViewOnly
          Specifies that no keyboard or mouse  events  should  be
          sent to the server.  Useful if you want to view a desk-
          top without interfering; often  needs  to  be  combined
          with -Shared.


     -FullScreen
          Start in full-screen mode.


     -AutoSelect
          Use automatic selection of encoding  and  pixel  format
          (default  is  on).  Normally the viewer tests the speed
          of the connection to the server and chooses the  encod-
          ing  and  pixel format appropriately.  Turn it off with
          -AutoSelect=0.


     -FullColour, -FullColor
          Tells the VNC server to send full-colour pixels in  the
          best  format for this display.  By default a low colour
          mode is used until AutoSelect decides the link is  fast
          enough.  However if the server's native pixel format is
          colourmapped  (as  opposed  to  truecolour)  then   the
          server's format is used by default.


     -LowColourLevel level
          Selects the reduced colour level to use on slow  links.
          level  can  range  from  0 to 2, 0 meaning 8 colours, 1
          meaning  64  colours  (the  default),  2  meaning   256
          colours.


     -PreferredEncoding encoding
          This option specifies the  preferred  encoding  to  use
          from one of "ZRLE", "hextile" or "raw".


     -UseLocalCursor
          Render the mouse cursor locally if the server  supports
          it (default is on).  This can make the interactive per-
          formance feel much better over slow links.


     -WMDecorationWidth w, -WMDecorationHeight h
          The total width and height taken up by  window  manager
          decorations.   This  is  used  to calculate the maximum
          size of the VNC viewer window.   Default  is  width  6,
          height 24.


     -log logname:dest:level
          Configures the debug log settings.  dest can  currently
          be  stderr  or  stdout, and level is between 0 and 100,
          100 meaning most verbose output.  logname is usually  *
          meaning  all, but you can target a specific source file
          if you know the name of its  "LogWriter".   Default  is
          *:stderr:30.


     -MenuKey keysym-name
          This option specifies the key which brings up the popup
          menu.   The  key  is  specified  as  an X11 keysym name
          (these can be obtained by removing the XK_ prefix  from
          the    entries    in   "/usr/include/X11/keysymdef.h").
          Default is F8.


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


AUTHOR
     Tristan Richardson, RealVNC Ltd.

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


ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Availability                | SUNWvncviewer               |
    |_____________________________|_____________________________|
    | Interface Stability         | Volatile                    |
    |_____________________________|_____________________________|










Man pages from Solaris 10 Update 8. See docs.sun.com and www.oracle.com for further documentation and Solaris information.
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