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Homework and Emergencies Emergency UNIX and Linux Support XDMCP and VNC graphics corruption Post 302568038 by cue on Wednesday 26th of October 2011 02:17:58 AM
Old 10-26-2011
I've been reading documentation for 2 days but cannot make head or tails of it. What I'm essentially trying to do is provide a persistent vnc session separate to the one shown at the physical screen. I want another x session which prompts for a username and password which I can access remotely via vnc on another thin client.

I was under the impression that having a file /etc/xinetd.d/x11vnc1 containing

Code:
service x11vnc
{
        type            = UNLISTED
        port            = 5901
        socket_type     = stream
        protocol        = tcp
        wait            = no
        user            = root
        server          = /usr/local/bin/x11vnc
        server_args     = -inetd -o /var/log/x11vnc.log -xdmsvc
        disable         = no
}

and the corresponding entry in /etc/services

Code:
x11vnc1      5901/tcp

that I will be greeted with a login screen when I connect to IPofServer:1 from any PC running a vncviewer. Is that correct or have I misunderstood something?

Here is the FAQ for x11vnc where I have been trying to gain some information to get this to work:
x11vnc: a VNC server for real X displays
 

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VINAGRE(1)						      General Commands Manual							VINAGRE(1)

NAME
vinagre - a remote desktop viewer for the GNOME Desktop SYNOPSYS
vinagre [OPTIONS] [server][::port|:display] DESCRIPTION
vinagre is a remote desktop viewer for the GNOME desktop. It can support many protocols using a plugin system. Current plugins exist for VNC and SSH. Vinagre has many features, among others:. - Support for multiple connections simultaneously - Bookmarks and history support - Avahi integration - GNOME keyring integration - GNOME panel applet to quickly launch vinagre to access VNC servers - You can connect to a VNC server by double clicking on a .vnc file when using nautilus. OPTIONS
Help Options: -?, --help Show help options --help-all Show all help options --help-gtk Show GTK+ options Application Options: --help-vnc Show VNC options -F, --file=filename Opens a .vnc file -f, --fullscreen Open vinagre in fullscreen mode -n, --new-window Create a new toplevel window in an existing instance of vinagre --display=DISPLAY X display to use Run 'vinagre --help' to see a full list of available command line options OPERANDS
The following operands are supported: [server][::port|:display] Specifies the VNC server to connect to. The VNC server can be either a hostname, or an IP address. If the server is an IPv6 address, it must be enclosed by square brackets. The address can optionally be followed by two colons (::) and the VNC port number, or alter- natively by one colon (:) and the display where Vinagre should run. If a port is not specified, default value of 5900 will be used. If the value is lower than 1024, 5900 will be added to it. For example, ":0" means "5900" and ":1" means ":5901". If only a port is specified, but not the hostname, localhost will be assumed. Possible values for the display are between 0 and 1024. If a display number greater than 1024 is specified, it will be assumed to be a port. Note that you can't specify the port and the display at the same time. EXAMPLES
Example 1: Start vinagre from the command line example% vinagre Example 2: Create a new top-level window example% vinagre --new-window Example 3: Connect to a specified VNC server and port example% vinagre snoopy::5900 Example 4: Connect to a specified IPv4 address and port example% vinagre 192.168.1.35::2700 Example 5: Connect to a specified IPv6 address and port example% vinagre [2001:0db8:0:0:0:0:1428:57ab]::2700 Example 6: Connect to a VNC server specified by a .vnc file example% vinagre -F snoopy.vnc Example 7: Connect to localhost on a specified port in fullscreen mode example% vinagre -f ::5900 SEE ALSO
Vinagre help manual AUTHOR
Vinagre was written by Jonh Wendell <wendell@bani.com.br> This manual page was written by Emilio Pozuelo Monfort <pochu@ubuntu.com> and Halton Huo <halton.huo@sun.com>. User Commands August 12th 2009 VINAGRE(1)
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