Re: vnc.so (XFree plugin) - crashes X

[William Hooper]

David D. Hagood  said:
> On 11/24/2003 02:34 PM, William Hooper wrote:
>
>> WORKSFORME:
>>
>> Red Hat 9
>> Fedora Core 1
>>
>> Both have XFree 4.3.0
>>
>
> What video card are you running?

Hmm...now you've made me think.

Intel 810 (maybe 815?)
ATI Rage Mobility M1
ATI 3D Rage Pro

All using XFree's drivers.
-- 
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Re: VNC

[David D. Hagood]

On 11/24/2003 03:07 PM, Bert Visser wrote:
I am a novice. Question. On my laptop W 98se vnc viewer and server work.
On my desktop Wxp home, updated from W Millennium the viewer works, but
server is not functioning. Anyone?


WinXP has a built-in firewall (sort of) - you will need to tell it to allow 
connections on the VNC port or you won't be able to connect to the server.
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Re: vnc.so (XFree plugin) - crashes X

[David D. Hagood]

On 11/24/2003 02:34 PM, William Hooper wrote:

WORKSFORME:

Red Hat 9
Fedora Core 1
Both have XFree 4.3.0

What video card are you running?
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RE: VNCSERVER ERROR while installing Oracle 9.2.0

[Mark A. Nelson]

James,

This worked quite nice.
Per your recomendation all was needed was to establish VNC over ssh.

Splendid recomendation.

Thank you

mark
On
Mon, 24 Nov 2003, James Weatherall wrote:

> Date: Mon, 24 Nov 2003 17:59:10 -
> From: James Weatherall <[EMAIL PROTECTED]>
> To: 'Mark A. Nelson' <[EMAIL PROTECTED]>
> Cc: [EMAIL PROTECTED]
> Subject: RE: VNCSERVER ERROR while installing Oracle 9.2.0
>
> Mark,
>
> If user "oracle" is the user that you're running the installer as then
> yes, that's the simplest way to get it to work.
>
> An alternative way to do it, albeit somewhat clumsy, is to use whatever
> your currently running VNC X server is, and use SSH to start a session
> as user "oracle", for the installation.  SSH will then take care of the
> access rights to the VNC X server and X applications run from within the
> SSH session should be able to display their interfaces in it.
>
> Cheers,
>
> Wez @ RealVNC ltd.
>
>
> > -Original Message-
> > From: Mark A. Nelson [mailto:[EMAIL PROTECTED]
> > Sent: 24 November 2003 17:54
> > To: James Weatherall
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: VNCSERVER ERROR while installing Oracle 9.2.0
> >
> >
> > So I need to start up a vnc session as user oracle then?
> >
> > Thank you
> >
> > mark
> > On Mon, 24 Nov
> > 2003, James Weatherall wrote:
> >
> > > Date: Mon, 24 Nov 2003 14:41:01 -
> > > From: James Weatherall <[EMAIL PROTECTED]>
> > > To: [EMAIL PROTECTED]
> > > Cc: [EMAIL PROTECTED]
> > > Subject: Re: VNCSERVER ERROR while installing Oracle 9.2.0
> > >
> > > Mark,
> > >
> > > This isn't a VNC Server error, it's an error from Oracle - the setup
> > > program is trying to access the VNC Server but it's running
> > as a user
> > > which doesn't have access to that particular VNC Server.  The most
> > > probable cause is that the VNC Server is running as one
> > user while the
> > > installer is running as another (such as root).
> > >
> > > Cheers,
> > >
> > > Wez @ RealVNC Ltd.
> > > ___
> > > VNC-List mailing list
> > > [EMAIL PROTECTED]
> > > To remove yourself from the list visit:
> > > http://www.realvnc.com/mailman/listinfo/vnc-list
> ___
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RE: VNC

[Lange, Bob (Tax Office)]

Did you configure your home xp machine to have VNC server run as a service?
Maybe that part got left out and needs to be started.

-Original Message-
From: Bert Visser [mailto:[EMAIL PROTECTED]
Sent: Monday, November 24, 2003 3:07 PM
To: [EMAIL PROTECTED]
Subject: VNC


I am a novice. Question. On my laptop W 98se vnc viewer and server work.
On my desktop Wxp home, updated from W Millennium the viewer works, but
server is not functioning. Anyone?
 
Bert


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VNC

[Bert Visser]

I am a novice. Question. On my laptop W 98se vnc viewer and server work.
On my desktop Wxp home, updated from W Millennium the viewer works, but
server is not functioning. Anyone?
 
Bert


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Re: vnc.so (XFree plugin) - crashes X

[David D. Hagood]

On 11/24/2003 01:56 PM, Darrell Michaud wrote:
window, despite both the client and server running X11 with identical
glx drivers and modules loaded.
What GL modules the computer displaying the VNC view has would be irrelevant, as 
vncviewer does not do GL.

The problem is that the DRI infrastructure directly writes to the frame buffer, 
so the VNC module does not know the window has been updated - therefor it does 
not know to scrape the pixels and send them.

Moving the window "dirties" it, and then the VNC server will send the pixels.

I thought there was a setting for the VNC server to tell it to scrape the screen 
every "X" often, just for things like that - or perhaps that option only exists 
under the Windows servers, as many old nasty Windows apps write directly to the 
screen, and Unix apps just aren't supposed to do that.

You would have the same sort of failure if you were running and XVideo app like 
Xine - since the actual video is in the overlay, all VNC would see is a pink 
rectangle.

IIRC, stock RH7.3 runs XFree86 4.2 - or have you upgraded to 4.3?
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Re: vnc.so (XFree plugin) - crashes X

[William Hooper]

David D. Hagood  said:
> Has anybody had any positive experiences with this module?

WORKSFORME:

Red Hat 9
Fedora Core 1

Both have XFree 4.3.0

-- 
William Hooper
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Re: vnc.so (XFree plugin) - crashes X

[Darrell Michaud]

I got :0 exporting to work successfully out of the box with a fully
updated redhat 7.3 system. The only problem I had was that applications
with openGL areas did not update automatically on the remote VNC viewer
window, despite both the client and server running X11 with identical
glx drivers and modules loaded.

In order to get the display to update I had to do something silly like
move the window. I posted about it earlier but did not get any
responses.

It seems like some partial solution should be possible.. maybe a redraw
of openGL areas every n second, where n is configurable.


On Mon, 2003-11-24 at 14:18, David D. Hagood wrote:
> I've tried the vnc.so plugin for XFree86 (which is supposed to allow for 
> exporting of the main :0 window), and it doesn't seem to work - it seems to 
> crash the X server when a client connects.
> 
> I've tried this under 2 setups: one a Gentoo box running XFree86 4.3.0, 
> Xinerama, on an ATI Rage128 and Geforce GeForce2 - nForce GPU, and the other a 
> DRI CVS trunk build of XFree86 running on an ATI 7500 AIW.
> 
> In both cases X locks hard when a client connects to the VNC server.
> 
> Has anybody had any positive experiences with this module?
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vnc.so (XFree plugin) - crashes X

[David D. Hagood]

I've tried the vnc.so plugin for XFree86 (which is supposed to allow for 
exporting of the main :0 window), and it doesn't seem to work - it seems to 
crash the X server when a client connects.

I've tried this under 2 setups: one a Gentoo box running XFree86 4.3.0, 
Xinerama, on an ATI Rage128 and Geforce GeForce2 - nForce GPU, and the other a 
DRI CVS trunk build of XFree86 running on an ATI 7500 AIW.

In both cases X locks hard when a client connects to the VNC server.

Has anybody had any positive experiences with this module?
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RE: VNCSERVER ERROR while installing Oracle 9.2.0

[James Weatherall]

Mark,

If user "oracle" is the user that you're running the installer as then
yes, that's the simplest way to get it to work.

An alternative way to do it, albeit somewhat clumsy, is to use whatever
your currently running VNC X server is, and use SSH to start a session
as user "oracle", for the installation.  SSH will then take care of the
access rights to the VNC X server and X applications run from within the
SSH session should be able to display their interfaces in it.

Cheers,

Wez @ RealVNC ltd.


> -Original Message-
> From: Mark A. Nelson [mailto:[EMAIL PROTECTED] 
> Sent: 24 November 2003 17:54
> To: James Weatherall
> Cc: [EMAIL PROTECTED]
> Subject: Re: VNCSERVER ERROR while installing Oracle 9.2.0
> 
> 
> So I need to start up a vnc session as user oracle then?
> 
> Thank you
> 
> mark
> On Mon, 24 Nov
> 2003, James Weatherall wrote:
> 
> > Date: Mon, 24 Nov 2003 14:41:01 -
> > From: James Weatherall <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Cc: [EMAIL PROTECTED]
> > Subject: Re: VNCSERVER ERROR while installing Oracle 9.2.0
> >
> > Mark,
> >
> > This isn't a VNC Server error, it's an error from Oracle - the setup
> > program is trying to access the VNC Server but it's running 
> as a user
> > which doesn't have access to that particular VNC Server.  The most
> > probable cause is that the VNC Server is running as one 
> user while the
> > installer is running as another (such as root).
> >
> > Cheers,
> >
> > Wez @ RealVNC Ltd.
> > ___
> > VNC-List mailing list
> > [EMAIL PROTECTED]
> > To remove yourself from the list visit:
> > http://www.realvnc.com/mailman/listinfo/vnc-list
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Re: VNCSERVER ERROR while installing Oracle 9.2.0

[Mark A. Nelson]

So I need to start up a vnc session as user oracle then?

Thank you

mark
On Mon, 24 Nov
2003, James Weatherall wrote:

> Date: Mon, 24 Nov 2003 14:41:01 -
> From: James Weatherall <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Cc: [EMAIL PROTECTED]
> Subject: Re: VNCSERVER ERROR while installing Oracle 9.2.0
>
> Mark,
>
> This isn't a VNC Server error, it's an error from Oracle - the setup
> program is trying to access the VNC Server but it's running as a user
> which doesn't have access to that particular VNC Server.  The most
> probable cause is that the VNC Server is running as one user while the
> installer is running as another (such as root).
>
> Cheers,
>
> Wez @ RealVNC Ltd.
> ___
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RE: problems with ssh and kde

[William Hooper]

J.J. Frister  said:
> here's some additional info:
>
> PUTTY hostname: linuxbox, port 22, tunnels: L5903 localhost:5903
>
> The only refernce to port forwarding in sshd_config is: X11Forwarding yes

SSH also has AllowTcpForwarding (which is what you are looking for), but
unless it has been changed by SuSE it defaults to yes.

> While running sshd -d on linuxbox, these are the messages that appear when
> Wintel TightVNC viewer tries to connect to localhost:3:
> 3004: debug1: fd 11 setting TCP_NODELAY
> 3004: debug1: channel 0: new [unknown (remote did not supply name)]
> 3004: debug1: channel 0: not connected: Connection refused
> 3004: debug1: channel 0: zombie
> 3004: debug1: channel 0: garbage collecting
> 3004: debug1: channel_free: channel 0: unknown (remote did not supply
> name),
> nchannels 1

This verifies that at least the SSH server is seeing the request.  Hmm.. 
have you verified that your VNC server is running on port :3?  Try doing a
"telnet localhost 5903" on the VNC server.  That will verify that
"localhost" is resolving and the VNC server is running.  IIRC a
"connection refused" at that point means that your destination port is
refusing the connection.

-- 
William Hooper
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printing

[Peter Chiocchetti]

hello list,

vnc doesnt support printing to local. pdfmailer works, but its a little
involved. I looked at pca. version 9 of it is substantially less snappy
over dsl (one hop in traceroute - both ends at the same provider).

would someone share some experience on alternative solutions: printing
from a remote winnt/win2k to either a local novell4 or *nix box?

regards

peter
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Re: ZRLE question

[James Weatherall]

Jared,

You could look at zrleDecode.h from the VNC distribution to see how to
decode ZRLE, or the ZRLE encoding description in the RFB 3.7 protocol
document.  From your description of the COV code, it's simply wrong, and
doesn't handle some of ZRLE's features.

Cheers,

Wez @ RealVNC Ltd.
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Re: VNCSERVER ERROR while installing Oracle 9.2.0

[James Weatherall]

Mark,

This isn't a VNC Server error, it's an error from Oracle - the setup
program is trying to access the VNC Server but it's running as a user
which doesn't have access to that particular VNC Server.  The most
probable cause is that the VNC Server is running as one user while the
installer is running as another (such as root).

Cheers,

Wez @ RealVNC Ltd.
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Re: XDMCP time rollover bug?

[James Weatherall]

Kyle,

You should upgrade to VNC 4b4.

Cheers,

Wez @ RealVNC Ltd.
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Re: Win XP and multple users, server wont auto-start

[James Weatherall]

George,

I would recommend upgrading from VNC 3.3 to VNC 4 Beta 4, which is
generally easier to use and configure.

Cheers,

Wez @ RealVNC Ltd.
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Using VNC to acccess Linux from Windows (was Re: Help.)

[James Weatherall]

Michael,

The easiest way to get VNC to allow you to access Linux from a Windows
machine is to first download and install VNC 4b4 on the Linux machine.
If you're running a Linux distribution that supports RPM (such as
RedHat) then simply download the RPM from our website, then, as "root",
use "rpm -I " to install the software.

Once that's done, you can log-in to the Linux machine as the telescope
user, for example, and run "vncserver".  You may be asked to provide a
password, which will be used to control access to the server.  Finally,
you'll be told the VNC "display" number, which will probably be 1.

To connect from a Windows machine, download VNC Viewer and run it,
specifying :1 as the "host" and then supplying
the same password you used earlier.

Note that if you restart the Linux machine, you'll need to also restart
the VNC server.  You can edit the file ~.vnc/xstartup for the user who
is running the VNC server to change the window manager to something like
KDE, that may be easier to use.

Hope that helps,

Wez @ RealVNC Ltd.
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Mandrake 9.2 / Automatic startup

[jp]

I would want to start automatically vnc at startup
I tried by modifying rc file, unsucessfully
Does anybody have a solution ?

thanks

jp
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Re: ZRLE question

[Tristan Richardson]

"Jared McIntyre" <[EMAIL PROTECTED]> wrote:
>
> Chicken of the VNC lately has had issues talking to RealVNC servers.
> I think the problem is in the COTVNC ZRLE decoder for subencoding
> greater than or equal to 130.  When it completes running through this
> subencoding for 16 and 24 bit color the variable "data" is pointing
> at a location that is not correct.  I've read through the
> documentation for the protocol, and can't see where its going wrong.
> Has something changed in the protocol in the last year or so as it
> seemed to work correctly at one point.
>
> Here is a slightly modified verion of their code for subencoding >=
> 130.  If someone with more knowledge than me about ZRLE would look at
> it and see if they can see the problem, I'd appreciate it.  (For
> those who don't know the language, the funny [] is the object message
> call in Objective-C, but that shouldn't be the problem)

The ZRLE encoding is the same as it ever was.  As far as I'm aware VNC 3.3.7
and 4.0b4 contain correct implementations of both encoding and decoding ZRLE
according to the protocol spec.

I can't see anything obviously wrong in your logic, but then without knowing
more about Objective-C it's difficult to tell.

Cheers

Tristan
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RE : Using Netscape.

[Seak, Teng-Fong]

I'm using Netscape 7.1 together with JRE 1.3.1_04.  This works perfectly for 
me, though I seldom use the Java client.

> -Message d'origine-
> De : Khan [mailto:[EMAIL PROTECTED] 
> Envoyi : lundi 24 novembre 2003 04:02
> @ : [EMAIL PROTECTED]
> Objet : Using Netscape.
> 
> 
> Hello,
> 
> I am using my LINUX box as a vnc server and my client
> resides on Windows 98. I can make a successful session
> with LINUX. The problem is when I try to use netscape.
> I could browse it on my client machine. But at the
> client site, the netscape window opens so big that it
> doesn't fit into my PC screen. When I try to reduce by
> using mouse from the right corner of the netscape
> window, it doesn't work.
> 
> Could some one help me in fixing this issue?
> 
> Regards,
> Hasan
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