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Full Discussion: vncserver
Operating Systems Linux Red Hat vncserver Post 302525096 by ygemici on Wednesday 25th of May 2011 04:49:00 PM
Old 05-25-2011
x0vncserver: unable to open display ""
you have to a DISPLAY for x11 forwarding to view data.
so you must x11 forward to a X11 source (if you work windows,use xming or xmanager..)
or you must connect a linux console.

for other problem
first remove "-nohttpd" from vncservers file.some versions does not support this.
Code:
# grep nohttpd /home/vct/.vnc/console-0124.local:1.log

and then restart (probably this is not the main problem)
Code:
# service vncserver restart

after than can you write this log in forum after we can examine this.
Code:
# cat /home/vct/.vnc/console-0124.local:1.log

and you can check vnc service is running?
Code:
# x=$(sed -n 's/.*vncPort = \([0-9]*\).*/\1/p' /usr/bin/vncserver) ; nc -z `hostname -s` $x-$((x+110)) ; netstat --protocol=inet -lp|grep -i vnc

most importantly you must be sure you have access to vncserver!
..you maybe access to vnc port but following the data transfer is problem because of blocked your 3way hand-shake level while before beginning communication via tcp sockets.therefore appropriate sockets do not pass the establish state and kernel network layer genarates an error message to vnc and vnc convert it to own message and echoes ur tty..

you can check access to vncserver via vncPort that defined above
Code:
# telnet vncserver vncPort

regards
ygemici
 

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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] [ -httpport int ] [ -base- httpport int ] [ -alwaysshared ] [ -nevershared ] [Xvnc-options...] vncserver [ -clean ] -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. -clean This option can be used in conjunction with -kill :display Stops the session running on the specified display. -nevershared Never allow shared desktops. -alwaysshared Always allow shared desktops. -basehttpport int The base http port to use for the java client applet (you have to install the tightvnc-java package to make this work). The real port number will be port = base + display num. -httpport int The http port to use for the java client applet (you have to install the tightvnc-java package to make this work). -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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