On Tue, Mar 5, 2013 at 10:16 AM, David Sommerseth <
sl+us...@lists.topphemmelig.net> wrote:

> On 05/03/13 19:13, Mahmood Naderan wrote:
> > Thank you very much for the replies.
> > In my previous try I didn't enter 5901, so I think by default it uses
> 5900.
> > As I posted earlier, 5900 doesn't work. Instead 5901 works.
> >
> > I don't know why but is it OK.
>
> Then you need to look at your Xvnc configuration and see there why it
> chose 5901 instead of 5900.  It might even be that something else was
> running on port 5900 when Xvnc started, so it chose 5901.  Anyhow, we
> don't have enough info to do any educated guesses why that happens.  So
> start by looking at config files and log files.  For more info, also
> consult the man pages.
>

I may be mistaken, but I believe it uses 5900 + Display number.

On a standard box with a local login screen on display :0, the first VNC
session will be on display :1. If multiple Xvnc instances are running,
those will listen on subsequent displays (and hence ports 5902, 5903, etc).

Jeff


>
> --
> kind regards,
>
> David Sommerseth
>
>
> > ------------------------------------------------------------------------
> > *From:* David Sommerseth <sl+us...@lists.topphemmelig.net>
> > *To:* Mahmood Naderan <nt_mahm...@yahoo.com>
> > *Cc:* Eero Volotinen <eero.voloti...@iki.fi>;
> > "scientific-linux-users@fnal.gov" <scientific-linux-users@fnal.gov>
> > *Sent:* Tuesday, March 5, 2013 9:40 PM
> > *Subject:* Re: troubleshooting vnc
> >
> > On 05/03/13 18:59, Mahmood Naderan wrote:
> >> C:\Users\mahmood>telnet IP 5900
> >> Connecting To IP...Could not open connection to the host, on port 59
> >> 00: Connect failed
> >>
> >>
> >> But
> >>
> >> C:\Users\mahmood>telnet IP 5901
> >> RFB 003.008
> >>            status
> >> displa
> >>
> >> Connection to host lost.
> >>
> >
> > You have no problems now ... just run your favourite VNC client on your
> > box and connect to  IP:1  or  IP:5901
> >
> > And it should just work.
> >
> >
> > --
> > kind regards,
> >
> > David Sommerseth
> >
> >> ------------------------------------------------------------------------
> >> *From:* Eero Volotinen <eero.voloti...@iki.fi
> > <mailto:eero.voloti...@iki.fi>>
> >> *To:* Mahmood Naderan <nt_mahm...@yahoo.com <mailto:
> nt_mahm...@yahoo.com>>
> >> *Cc:* scientific-linux-users@fnal.gov
> > <mailto:scientific-linux-users@fnal.gov>
> >> *Sent:* Tuesday, March 5, 2013 9:06 PM
> >> *Subject:* Re: troubleshooting vnc
> >>
> >>> Using cmd.exe from windows 7, here is the output
> >>> C:\Users\mahmood>telnet IP
> >>> Connecting To IP...Could not open connection to the host, on port 23
> >>> : Connect failed
> >>
> >> correct syntax for telnet is :
> >>
> >> telnet ip.address port-number (for ex telnet 192.168.0.2 5901)
> >>
> >> --
> >> Eero
> >>
> >>
> >
> >
> >
>



-- 
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Jeffrey Anderson                        | jdander...@lbl.gov
Lawrence Berkeley National Laboratory   |
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