RandR extension missing Post: 302356107

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Special Forums UNIX and Linux Applications RandR extension missing Post 302356107 by etcpasswd on Friday 25th of September 2009 04:16:08 AM

09-25-2009

Registered User

RandR extension missing

Help!

I have a linux box wth vncserver setup in it. Now, the problem is when I'm connected to the linux box via vnc session executing the command in terminal xrandr gives me the following:

Code:

$ xrandr
Xlib:  extension "RANDR" missing on display ":1.0".
RandR extension missing

plus the geometry the vnc uses is 1024x768 pixels instead of 1280x1024 that I had set in /etc/sysconfig/vncservers:

Code:

$ cat /etc/sysconfig/vncservers 
# The VNCSERVERS variable is a list of display:user pairs.
#
# Uncomment the lines below to start a VNC server on display :2
# as my 'myusername' (adjust this to your own).  You will also
# need to set a VNC password; run 'man vncpasswd' to see how
# to do that.  
#
# DO NOT RUN THIS SERVICE if your local area network is
# untrusted!  For a secure way of using VNC, see
# <URL:http://www.uk.research.att.com/archive/vnc/sshvnc.html>.

# Use "-nolisten tcp" to prevent X connections to your VNC server via TCP.

# Use "-nohttpd" to prevent web-based VNC clients connecting.

# Use "-localhost" to prevent remote VNC clients connecting except when
# doing so through a secure tunnel.  See the "-via" option in the
# `man vncviewer' manual page.

# VNCSERVERS="2:myusername"
# VNCSERVERARGS[2]="-geometry 800x600 -nolisten tcp -nohttpd -localhost"

VNCSERVERS="1:tusker"
VNCSERVERARGS[2]="-geometry 1280x1024 -depth 24"

I don't have any idea what to do next, since, xrandr is fine when I'm directly logged in to the linux box.
Anybody can walk me through this xrandr missing please...
Just let me know if you need more information with regards to this issue.

etcpasswd

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LEARN ABOUT DEBIAN

vncserver

vncserver(1)                                                         TightVNC                                                         vncserver(1)

NAME

       vncserver - a wrapper to launch an X server for VNC.

SYNOPSIS

       vncserver [:display] [-geometry widthxheight] [-depth depth] [-pixelformat rgbNNN|bgrNNN] [-name desktop-name] [Xvnc-options...]

       vncserver -kill :display

       vncserver -help

DESCRIPTION

       vncserver is a wrapper script for Xvnc, the free X server for VNC (Virtual Network Computing). It provides all capabilities of a standard X
       server, but does not connect to a display for itself.  Instead, Xvnc creates a virtual desktop you can view or control remotely using a VNC
       viewer.

OPTIONS

       You  can  add  Xvnc  options at the command line. They will be added to the invocation of Xvnc without changes. The options provided by the
       vncserver itself are as follows:

       :display
              The display number to use. If omitted, the next free display number is used.

       -geometry widthxheight
              Set desktop width and height.

       -depth depth
              Set the colour depth of the visual to provide, in bits per pixel. Must be a value between 8 and 32.

       -pixelformat rgbNNN|bgrNNN
              Set colour format for pixels representation. The viewer can do the conversion to any other pixel format, but it  is  faster  if  the
              depth and pixel format of the server is the same as the equivalent values on the viewer display.

       -name string
              This specifies the name of the desktop.

       -kill :display
              Stops the session running on the specified display.

       -help  Prints a short usage notice to stderr.

EXAMPLES

       vncserver
              Invokes Xvnc on the next available display and with suitable defaults.

       vncserver :1
              Invokes Xvnc on display :1.

       vncserver -geometry 800x600 -depth 16 :1
              Invokes Xvnc on display :1 with desktop size of 800x600 pixels and color depth of 16 bits per pixel.

       vncserver -kill :1
              Shuts down Xvnc server on display :1.

SEE ALSO

       Xvnc(1), vncviewer(1), vncpasswd(1), vncconnect(1)

AUTHORS

       Original  VNC  was developed in AT&T Laboratories Cambridge. TightVNC additions were implemented by Constantin Kaplinsky. Many other people
       participated in development, testing and support.

       Man page authors:
       Marcus Brinkmann <Marcus.Brinkmann@ruhr-uni-bochum.de>,
       Tim Waugh <twaugh@redhat.com>,
       Constantin Kaplinsky <const@tightvnc.com>

                                                                    August 2006                                                       vncserver(1)

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