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man pages section 1: User Commands

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Updated: Wednesday, February 10, 2021
 
 

vncpasswd (1)

Name

vncpasswd - change the VNC password

Synopsis

vncpasswd [passwd-file]
vncpasswd -f

Description

vncpasswd(1)               Virtual Network Computing              vncpasswd(1)



NAME
       vncpasswd - change the VNC password

SYNOPSIS
       vncpasswd [passwd-file]
       vncpasswd -f

DESCRIPTION
       vncpasswd  allows  you to set the password used to access VNC desktops.
       Its default behavior is to prompt for a VNC password and then store  an
       obfuscated   version   of   this   password   to   passwd-file  (or  to
       $HOME/.vnc/passwd if no password file  is  specified.)   The  vncserver
       script  runs  vncpasswd  the first time you start a VNC desktop, and it
       invokes Xvnc with the appropriate -rfbauth option.  vncviewer can  also
       be given a password file to use via the -passwd option.

       The  password  must be at least six characters long (unless the -f com-
       mand-line option is used-- see below), and only the first eight charac-
       ters  are  significant.  Note that the stored password is not encrypted
       securely - anyone who has access to this file can  trivially  find  out
       the  plain-text  password, so vncpasswd always sets appropriate permis-
       sions (read and write only by the owner.)  However,  when  accessing  a
       VNC  desktop, a challenge-response mechanism is used over the wire mak-
       ing it hard for anyone to crack the password simply by snooping on  the
       network.


OPTIONS
       -f     Filter mode.  Read a plain-text password from stdin and write an
              encrypted version to stdout.  Note that in filter mode, short or
              even empty passwords will be silently accepted.



FILES
       $HOME/.vnc/passwd
              Default location of the VNC password file.



ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       +---------------+------------------+
       |ATTRIBUTE TYPE | ATTRIBUTE VALUE  |
       +---------------+------------------+
       |Availability   | x11/server/xvnc  |
       +---------------+------------------+
       |Stability      | Volatile         |
       +---------------+------------------+
SEE ALSO
       vncviewer(1), vncserver(1), Xvnc(1) vncconfig(1),
       http://www.tigervnc.org


AUTHORS
       Tristan  Richardson,  RealVNC Ltd., Antoine Martin, D. R. Commander and
       others.

       VNC was originally developed by the  RealVNC  team  while  at  Olivetti
       Research  Ltd  /  AT&T Laboratories Cambridge.  TightVNC additions were
       implemented by Constantin Kaplinsky. Many other people have since  par-
       ticipated  in  development, testing and support. This manual is part of
       the TigerVNC software suite.



NOTES
       This    software    was    built    from    source     available     at
       https://github.com/oracle/solaris-userland.    The  original  community
       source was  downloaded  from   https://github.com/TigerVNC/tigervnc/ar-
       chive/v1.7.1.tar.gz

       Further information about this software can be found on the open source
       community website at http://tigervnc.org/.



TigerVNC                                                          vncpasswd(1)