Ubuntu :: No Input Registered When Using X11vnc Server And Chicken Of The VNC

Feb 10, 2011

I'm using Ubuntu 10.04, and I'm trying to VNC into my Ubuntu box from my MBP. I can connect just fine, however, I am unable to register any mouse clicks or keyboard input on the resulting desktop. I'm launching it as follows: x11vnc -nomodtweak -scale 9/10 I can log in using my Windows box and UltraVNC and use input with no problem.

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Fedora Installation :: X11vnc : Tail: Cannot Watch /tmp/x11vnc.tray.*

Jun 18, 2011

By invoking x11vnc with the -gui tray option the TCL/TK GUI attempts to embed itself onto the system tray, but I encounter the error message "tail: cannot watch /tmp/x11vnc.tray.*", after the first settings dialog approved [clicked OK]. I believe that a package is still missing to be installed and this is not really a software bug. I use the XFCE version shipped along F15, and the GUI can be started but not as a docked-applet.

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Ubuntu Servers :: Using X11vnc On Virtual Private Server To Connect

Sep 26, 2010

I have a virtual private server that I am trying to connect to using x11vnc. I ran this through ssh to setup gnome

sudo apt-get install gnome-core
sudo apt-get install gdm
sudo /etc/init.d/gdm start
sudo dpkg-reconfigure xserver-xorg

I later ran sudo apt-get install ubuntu-desktop to see if that would help.

#cat /etc/issue
Ubuntu 10.04.1 LTS
#sudo startx
Fatal server error:
xf860OpenConsole: Cannot open /dev/tty0 (No such file or directory)
I assume this is because it probably doesn't have a video card.

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Ubuntu :: X11vnc Server Logs Out To Login Screen After 1 Minute?

Nov 3, 2010

I have x11vnc server set up on my desktop PC. I can boot the computer and connect at the login screen if I want to. I can login to my computer as usual. But after about 1 minute of logging in, the computer logs off as if pressing Ctrl+Alt+Backspace and returns me to the login screen. This cycle repeats when I login and I have to kill the x11vnc process or remove the command from /etc/gdm/Init/Default.Have tried so many things now but the end result is the same. I have Ubuntu 10.10 fully updated and x11vnc 9.10-1 from the default repos. I am using the following command in the /etc/gdm/Init/Default file:


/usr/bin/x11vnc -rfbauth ~/.vnc/passwd -rfbport 5901 -display :0 -forever -bg

I don't think it matters now whether I add KillInitClients=false into /etc/gdm/gdm.conf-custom or /etc/gdm/gdm.conf because of the x11vnc version I have. The manual says its not really needed. But I have tried this too with no better luck.The computer will still log me out after about a minute of logging in. It can be between 1 min to 1.5 mins.Running out of ideas and have tried the -noxfixes and -reopen commands.

Why does x11vnc crash out (or it may be gdm or x server?) after about a minute of logging in? If I am currently viewing my desktop through VNC viewer on another computer, it will still crash out after 1 min of log in, and lose the connection. I can reconnect through VNC again but I have to log back in to the remote computer and it will just log out after another minute.At last, in 2 days I have finally solved it. As simple as creating my own version. The x11vnc 9.10-1 version my default Ubuntu 10.10 repos is buggy. Here's my fix (I used this site):

1. Downloaded latest x11vnc dev build from above site (x11vnc-0.9.13-dev.tar.gz at time of posting)
2. Extract it
3. Open Terminal > sudo -s > enter admin password
4. cd LocationOfExtracted folder


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Server :: WinXP Cannot Registered To Domain

May 2, 2010

I already setup my samba, openLDAP as well as smb-tools but when I try to registered my winXP client into Linux Domain,there was an error "a device attached to the system is not functioning" but browsing of user folder is possible, by typing in run command \server1 then provide a username and password.I can also transfer some documents on that folder, only registering from linux domain is my problem...

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General :: Unable To Use Chicken-Egg In Booting Sequence

Jul 13, 2010

chicken-Egg problem in booting sequence.......

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CentOS 5 Server :: Gnome System Menu Causes Crash For Either X11vnc Or Freenx?

Jul 28, 2009

Sorry if this is in the wrong group but its a bit of an odd one but I think comes under Server Support.. I've set up both x11vnc and freenx in an attempt to eliminate either as a cause for this issue. The problem is that when I log in with either, I can get into the desktop and run things from the menus but when I make the System menu active - the session hangs and you have to killall for the freenx or vnc processes.

I was wondering if anyone might be able to help me investigate this and hopefully fix it as I'm not sure where to look given that both types of remote connection seem to have the same issue.

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Server :: Mounting Nfs Files Locally - RPC Error - Program Not Registered

Jan 21, 2010

First of all, in whether I have interpreted this correctly: [url]

Where we want all users to be able to restore backups. This involves nfs exporting and mounting the backup directory ON THE SAME MACHINE, no...?

I have been trying to fix this all day, and can't figure out why its not working.

All my /etc/fstab /etc/exports /etc/hosts.allow /etc/hosts.deny must be correct as the file mounts (after booting, but NOT ON booting) with:

All the necessary (I think) services are starting on boot:

On bootup I receive the error:


I have other filesystems mounted from another server which all mount fine. Its just this one.

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Server :: Can I Set Up A Dns Server When Don't Have Registered Domain

Jun 1, 2010

Can i set up a dns server if i don't have registered domain?

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Ubuntu Networking :: How To Restart X11vnc

Sep 13, 2010

How can I restart x11vnc service?

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Ubuntu Networking :: How To Setup The X11vnc

Mar 5, 2011

I am a linux novice with root access to an Ubunutn 10 VM which i connect to via putty. I want to connect to it via a GUI from windows xp so I have tried installing x11vnc on the machine and used realvnc from the xp client I have tried to install x11vnc on the machine as follows

sudo apt-get install x11vnc vnc-java"
x11vnc -storepasswd
iptables -A INPUT -p tcp -d 0/0 -s 0/0 --dport 5900 -j ACCEPT
iptables -A INPUT -p tcp -d 0/0 -s 0/0 --dport 5900 -j ACCEPT


This seems to load ok but removes the shell prompt. I presume the server has started and is listening on the ports so i used another putty window to reconnect to my machine and ran sockstat -l and xllvnc is listening on the 2 ports. I then downloaded realvnc windows client and entered the hostname to connect If i entered just the hostname or hostname:5900 i get a timeout error but if i enter hostname:5800 i get 'connection refused' error

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Ubuntu Installation :: Where Is The X11vnc Located In 11.04

May 9, 2011

I am working with Ubuntu for the first time since school and it was an intro class. I am trying to setup a file server for part of a school project. I installed x11vnc and am trying to set the password. However everywhere I look says the file would be located at ~/.vnc/passwd. However when I ls from the home directory .vnc does not exist. When I type out vncpasswd ~/.vnc/passwd I get returned a message The program 'vncpasswd' can be found in the following packages:

* tightvncserver
* vnc4server

how I can get this setup? Am I using old information that is no longer accurate or am i messing this up somewhere?

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Ubuntu :: Connecting Windows To Over X11vnc With Ssh?

Jul 24, 2011

Im trying to get vnc working over ssh between my windows pc and ubuntu server 11.04 natty over the internet. I have setup everything and got it all running automatically at boot on ubuntu. From within the local network i can use ssvnc and connect from a 2003 server to the ubuntu machine fine. Remotely I can connect and verify password over ssh but after that it tries to start tightvnc and fails. The issues seem to be on the windows side establishing the local connection to the tunnel or something I'm not a guru and I apologize if this is a windows issue but i think its likely that its a networking problem i need to forward or open a port somewhere but i cant find any easy to understand instructions so far in getting this running

This is the output in the putty terminal after running ssvnc slightly modified ive taken out my real username and server address I use user@server:0 as the arguments for ssvnc

Looking up host "server"
Connecting to server-ip port 22
Server version: SSH-2.0-OpenSSH_5.8p1 Debian-1ubuntu3
We claim version: SSH-2.0-PuTTY_Release_0.60
Using SSH protocol version 2


Does anyone have any ideas why the connection fails at the point of using the tunnel? is it a problem on the ubuntu or windows side?

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Ubuntu :: X11vnc Keeps Repainting After Lucid Upgrade

May 6, 2010

I upgraded to Lucid yesterday. All of them solved, except this one: when I connect to my kubuntu PC from a Windows PC and launch x11vnc on the remote and TightVNC on the local, it keeps repainting the window making it unusable. Nothing gets printed to the log when the repaintings occur. Using -noxdamage or -nowf doesn't change a thing. -ncache doesn't work (I get an "ERROR: No active KDE sessions!").

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Ubuntu :: Multi Session Login With X11vnc?

May 31, 2010

I'm creating a new thread based on this post by batagy:



So I have running x11vnc as service without any problem (running on Solaris 10 and SLES10 too). I'm using the x11vnc's inbuilt "user chooser" screen (that little black screen), these command line options:

x11vnc -inetd -unixpw -users unixpw= -display WAIT:cmd=FINDCREATEDISPLAY-Xvnc.xdmcp -env X11VNC_CREATE_GEOM=1248x900 (plus a couple of other options that are not interesting here)

My question is related to the wanted VNC screen size. By default, I set the defauls screen size to 1248x900, as can be seen above.

Currently , when a user want to personalize his/her screen size to be started, he can do it this way: when the small black authentication window is appearing first, after his username, he's entering a colon, then specify the wanted resolution in this format: geom=1600x1200.

My question: is it possible somehow to set automatically the preferred screen size, without entering this ":geom=1600x1200" string in the authentication window? I mean to set it per user, without modifying the service options. I mean, for example setting the X11VNC_CREATE_GEOM or FD_GEOM variables in the user's home ".profile" for example?

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Ubuntu :: Configuring X11vnc To Run At The Login Screen?

Sep 5, 2010

I'm trying to set up x11vncto run at the login screen. This is so that the computer can be powered up remotely using Wake-On-LAN and then controlled remotely. I'm following this tuorial: [URL]I'm having some trouble whit the section about adding to the GDM config files. The tutorial asks me to add

#to get remote vnc to not die after login


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Ubuntu :: DDR Ram ECC Registered Use In Desktop PC?

Sep 9, 2010

I was wondering if it would work as regular ram or would it just not work at all.For a MSI PM8M-V 7104 motherboard [URL]I got this PC as a street throwaway. PS was dead.

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Slackware :: X11vnc Slackbuild For 13.1?

Aug 24, 2010

it seems that there is no x11vnc slackbuild on sbo for 13.1. just wondering if there is something else people use to share the :0 desktop, or should i start looking into the 13.0 slackbuild

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Ubuntu :: Using X11vnc And Ssvnc With ESD For Remote Desktop With Audio

Aug 11, 2010

At the moment I'm running Putty on a windows box at work to SSH in and tunnel port 5900, then I execute

x11vnc -xkb -ncache 10 -safer -localhost -nopw -once -display :0
from the shell.

I run ssvnc and tell it to connect to localhost, and we're good for remote desktop.

The next step is to push my luck and see if I can get streaming audio as well.

ssvnc is supposed to automate many of the required processes, making the use of a standalone ssh client like Putty redundant - it bundles a similar program, passing commands through ssh from its GUI

Under options/advanced it has a facility to 'Enable ESD/ARTSD' audio tunnelling and it bundles a windows-executable (using cygwin library) version of ESD, so it just needs some configuration.

When you click that option there's a documentation pane that says you can put


esddsp -s localhost:16001 gnome-session

in your ~/.xsession startup file but since I use my Lucid box for local sound as well I'm not sure that's ideal as I want to use JACK, etc. and it looks like this command would route all audio to network, all the time.

ssvnc suggests using "x11vnc -create" mode to start it up in a virtual X session through Xvfb but it doesn't really go into any more detail as to how you do this.

I've installed Xvfb through synaptic, and that's as far as I've gotten.

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Ubuntu Networking :: 10.10 Reverse X11vnc Color Depth Changes?

Nov 15, 2010

I have looked around and haven't had a lot of luck finding any information on this. I could be blind...but I'm not sure, haha.

I do a lot of remote support for my clients (I do PC repairs and training). I have recently starting suggesting to some of my basic users that they give Ubuntu a try. So far it has been very well received and they are loving it. The problem I am running into is that some of them use laptops in multiple places, and some use routers that are not easily configured. In each case it makes port forwarding a large pain in the behind to allow for remote access.

I have started using the X11vnc reverse connection and it has been working well, except for the fact that it is using high quality color depth (24bit I think?). I know when starting the connection from my end I can set the color depth, but is there any way to set the depth of a reverse connection?

Also, I understand that using just vnc over the Internet is not secure. I need to look into a decent guide to set up SSH tunneling for this. I don't suppose anyone knows of a good guide for 10.04 and 10.10?

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Ubuntu Networking :: Machine Id Is Different From Registered

Feb 23, 2010

My ISP doesnt provide a client for linux However theres a login form on the browser which they provide which helps connecting my account and logging in into it.Thus starting the internet. Now the problem is of machine id. Whenever I try logging in through Ubuntu it says "your machine ID is diff from the one registered with us"

This problem doesnt come with my WinXP. Are the machine IDs diff for Ubuntu and winXP? How can I make them same?to edit the ubuntus to make it same as winxp? I cant you internet on Ubuntu because of this!

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Ubuntu Servers :: Registered VPS With Another Host?

Apr 5, 2010

I ordered my VPS but my domain name that I registered my VPS with is with another host. So obviously I have to update the nameserver options there. How can i find out what my nameserver settings on my vps? I'm using webmin.

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Ubuntu Networking :: X11vnc - Permission Denied (publickey - Password)

Sep 22, 2010

I want to access my desktop from my laptop over the internet, after a while I found this [URL] so I followed the instructions "Access your PC over the internet" and "Logging in from another Ubuntu PC". Everything goes well until I try to run the shell script and get this: laptopuser@123.456.7.890's password:

I tried my luck with the passphrase associated with the rsa key, with the password of the laptopuser@laptop and with the password of the desktopuser@desktop but I keep getting Permission Denied (publickey, password).

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Ubuntu Networking :: X11vnc Not Passing Upper Case Characters?

Apr 1, 2011

Using 10.04 and x11vnc I'm finding that upper case characters are being sent as lower case. I've tried multiple keyboard configurations with no success

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Ubuntu Multimedia :: Change Stereo Mic Input To Mono Input?

Nov 4, 2010

I recently got a real fancy unidirectional microphone, but when I go and use it, something strange happens. The mic is a mono mic, but when I record something, it appears to think it's stereo. Instead of having the same thing on both channels, it puts it all in the left channel, and silence on the right channel.

I tried fiddling with alsamixer. In capture (F4), adjusting the "Capture" device has an effect. However, it doesn't do anything useful. Lowering the right channel to zero does nothing, lowering the left channel to zero creates silence, and disabling the right channel creates silence.

In my System>Preferences>Sound (or pavucontrol, or what-have-you), there are "Analog Stereo Input" and "Analog Stereo Duplex" options there, but no "Analog Mono Input" or "Analog Stereo Output + Analog Mono Input" options (the latter being ideal).

Something interesting, though, if I do this:
arecord -r 96000 -D pulse -c 1 -vv -V mono /dev/null
it works correctly and outputs on both channels. But if I do
arecord -r 96000 -D pulse -c 2 -vv -V stereo /dev/null
then it's back to the same behavior. The VU meter on the second command shows the left channel going up and down as I make noise, but the right one always at zero.

The machine does have a crap internal mic built in to the screen bezel. If I do either of the above commands, they both work correctly. The stereo VU shows the same activity for both channels.

The machine is a Eee 1015PED, which has Intel integrated sound. Something probably insignificant is that the mic has a 1/4 inch mono plug, and to get it to plug into the Eee, I needed to get a 1/4 female to 1/8 male adapter. The mic's 1/4 plug is mono (duh) and therefore two-conductor, but the adapter I got is stereo, or three conductor (L, R, GND). I don't know if this is tripping something in hardware to tell it it's stereo or something.

I tried the mic on my desktop, which has a SB Audigy 4 (the non-pro flavor) and that has the "Analog Mono Input" function, so that works fine. Is there some way to turn this stereo input into mono input?

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Ubuntu :: Nepomuk Search Service Not Registered At D-Bus

Oct 16, 2010

I get this error when starting kmail in new ubuntu 10.10.

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Ubuntu :: No Application Is Registered As Handling File?

Oct 20, 2010

I remember having the same problem with kde/Fedora a few years back, and I can't remember the solution. Trying to open any attachment in evolution gives the error "No application is registered as handling this file" and you have to save the attachment, and then open it as normal. I have checked all the file associations, and they are fine, and the same attachment in evolution under Gnome opens fine.

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Debian :: X11vnc Fails After Jessie Upgrade

Jan 18, 2016

Using x11vnc server on Debian host, and TightVNC viewer client on Windows 7. All was working fine until a server host upgrade, from Wheezy to Jessie. Now, when I try to connect, TightVNC retrieves the certificate as normal, compares and accepts it, and starts stunnel. The next step would normally be to prompt for the VNC password.

Instead it gives an error:

ReadExact: Socket error while reading.

I'm guessing that some thing is missing or misconfigured after the Jessie upgrade, which broke many other things too, as Debian upgrades always seem to do. I have removed and reinstalled the x11vnc package, no effect.

The errors in the log file don't mean a lot to me.

The server is started with this command:

Code: Select allx11vnc -ssl -display :0 -usepw >>vnc-log 2>&1 &

If I start it up without the -ssl flag, and connect from the Windows system with a different client (Mobaxterm) it all goes well.

Relevant part (tail) of the server log file:

Code: Select allThe SSL VNC desktop is:  myhost:0

19/01/2016 12:31:10 SSL: accept_openssl(OPENSSL_VNC)
19/01/2016 12:31:10 SSL: spawning helper process to handle:
19/01/2016 12:31:10 SSL: helper for peerport 51942 is pid 11193:
19/01/2016 12:31:10 connect_tcp: trying: 20000

[Code] ....

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Fedora :: X11vnc Running A Service When Gdm Starts?

Aug 21, 2011

I want to run 1 instance of x11vnc at boot after gdm starts, itsa remote vnc server that will work without me first loggin in

Im just not sure where or how to start it when computer boots? i can run it on another tty and connect so its all setup but not sure what the "right" was is.

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Red Hat :: Yum Work In Red Hat El5 Without A RHN Registered Account?

Oct 25, 2010

I am trying to install Wireshark after I "untar"-ed it.This is the first time I am running RH on one of my PERSONAL PC's at home. Do I need to Register my Red Hat OS for "yum" to work? I got this RH cd from work.

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