vnc port forwarding
Zahid Rahman
zahidr1000 at gmail.com
Wed Nov 3 00:50:56 UTC 2021
all is well that ends well.
externalip::port
On Wed, 3 Nov 2021, 12:10 am Knute Johnson, <groups at knutejohnson.com> wrote:
> Make sure you only have one instance of TightVNC running. I see two
> ports in your post, 5901 and 6001. In the startup for TightVNC there
> should be an option to set the port -rfbport:5900 (the documentation is
> fragmented and sparse). Sometimes port numbers change with the display
> number on systems that have virtual displays.
>
> I usually use x11vnc just because that is the one I usually use. It
> always uses port 5900. Your client software should be able to select
> the port as well.
>
> vncviewer
> Section: TightVNC (1)
> Updated: August 2006
> Index Return to Main Contents
>
> NAME
> vncviewer - an X viewer client for VNC
> SYNOPSIS
> vncviewer [options] [host][:display]
> vncviewer [options] [host][::port]
> vncviewer [options] -listen [display]
> vncviewer -help
>
> Read more at: https://www.commandlinux.com/man-page/man1/vncviewer.1.html
>
> Again, I would run ps -e | grep vnc to check to see how many VNC servers
> are running.
>
>
>
> On 11/2/21 18:42, Zahid Rahman wrote:
> > I can see the issue.!!!!
> > Thanks for your time and patients.
> > I followed the instructions here .
> > https://www.smarthomebeginner.com/setup-vnc-server-on-ubuntu-linux/
> > <https://www.smarthomebeginner.com/setup-vnc-server-on-ubuntu-linux/>
> >
> > The vnc port always defaults to 5901.
> >
> > How can I get it to default to 5900 ?
> >
> >
> >
> >
> > On Tue, 2 Nov 2021, 10:56 pm Zahid Rahman, <zahidr1000 at gmail.com
> > <mailto:zahidr1000 at gmail.com>> wrote:
> >
> > 192.168.0.20:1 <http://192.168.0.20:1> this works local
> >
> > vnc viewer
> >
> > 51.77.xx.xx:1 this doesn't work. external ip
> >
> > On Tue, 2 Nov 2021, 10:48 pm Zahid Rahman, <zahidr1000 at gmail.com
> > <mailto:zahidr1000 at gmail.com>> wrote:
> >
> > sudo lsof -i:5901
> > COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
> > Xtightvnc 2686 ubuntu 3u IPv4 42834 0t0 TCP *:5901
> > (LISTEN)
> > Xtightvnc 2686 ubuntu 22u IPv4 275574 0t0 TCP
> > ubuntu:5901->192.168.0.27:53498 <http://192.168.0.27:53498>
> > (ESTABLISHED)
> > ubuntu at ubuntu:~$
> >
> > On Tue, 2 Nov 2021, 10:35 pm Zahid Rahman, <zahidr1000 at gmail.com
> > <mailto:zahidr1000 at gmail.com>> wrote:
> >
> > ubuntu at ubuntu:~$ ps -e | grep vnc
> > 2686 ? 00:01:21 Xtightvnc
> > ubuntu at ubuntu:~$ netstat -tulpn | grep LISTEN
> > (Not all processes could be identified, non-owned process
> info
> > will not be shown, you would have to be root to see it
> all.)
> > tcp 0 0 127.0.0.1:8009 <http://127.0.0.1:8009>
> > 0.0.0.0:* LISTEN 2813/java
> > tcp 0 0 0.0.0.0:139 <http://0.0.0.0:139>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 0.0.0.0:5901 <http://0.0.0.0:5901>
> > 0.0.0.0:* LISTEN 2686/Xtightvnc
> > tcp 0 0 127.0.0.1:8080 <http://127.0.0.1:8080>
> > 0.0.0.0:* LISTEN 2813/java
> > tcp 0 0 0.0.0.0:6001 <http://0.0.0.0:6001>
> > 0.0.0.0:* LISTEN 2686/Xtightvnc
> > tcp 0 0 127.0.0.53:53 <http://127.0.0.53:53>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 0.0.0.0:22 <http://0.0.0.0:22>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 127.0.0.1:631 <http://127.0.0.1:631>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 127.0.0.1:54200
> > <http://127.0.0.1:54200> 0.0.0.0:*
> > LISTEN 2813/java
> > tcp 0 0 127.0.0.1:5432 <http://127.0.0.1:5432>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 127.0.0.1:8443 <http://127.0.0.1:8443>
> > 0.0.0.0:* LISTEN 2813/java
> > tcp 0 0 0.0.0.0:445 <http://0.0.0.0:445>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 127.0.0.1:9990 <http://127.0.0.1:9990>
> > 0.0.0.0:* LISTEN 2813/java
> > tcp6 0 0 :::139 :::*
> > LISTEN -
> > tcp6 0 0 :::80 :::*
> > LISTEN -
> > tcp6 0 0 :::22 :::*
> > LISTEN -
> > tcp6 0 0 ::1:631 :::*
> > LISTEN -
> > tcp6 0 0 :::443 :::*
> > LISTEN -
> > tcp6 0 0 :::445 :::*
> > LISTEN -
> >
> > On Tue, 2 Nov 2021, 9:53 pm Knute Johnson,
> > <groups at knutejohnson.com <mailto:groups at knutejohnson.com>>
> > wrote:
> >
> > On 11/2/21 12:10, Colin Law wrote:
> >
> > > Also *please* do as I asked earlier, and on the
> > machine running vnc run
> > > sudo lsof -i:5900
> > >
> > > Colin
> > >
> >
> > Just so you don't think you are the only one, I don't
> > think there is any
> > VNC server running on his computer either .
> >
> > Zahid, this is what you should get:
> >
> > knute at knute-XPS-8700:~$ ps -e | grep vnc
> > 2566 ? 00:00:00 x11vnc
> >
> > knute at knute-XPS-8700:~$ netstat -tulpn | grep LISTEN
> > (Not all processes could be identified, non-owned
> > process info
> > will not be shown, you would have to be root to see
> > it all.)
> > tcp 0 0 127.0.0.53:53
> > <http://127.0.0.53:53> 0.0.0.0:* LISTEN -
> > tcp 0 0 0.0.0.0:22 <http://0.0.0.0:22>
> > 0.0.0.0:* LISTEN -
> > tcp 0 0 127.0.0.1:631
> > <http://127.0.0.1:631> 0.0.0.0:* LISTEN -
> > tcp 0 0 0.0.0.0:5900 <http://0.0.0.0:5900>
> > 0.0.0.0:* LISTEN
> > 2566/x11vnc
> > tcp6 0 0 :::22 :::* LISTEN
> > -
> > tcp6 0 0 ::1:631 :::* LISTEN
> > -
> > tcp6 0 0 :::5900 :::* LISTEN
> > 2566/x11vnc
> >
> > knute at knute-XPS-8700:~$ sudo lsof -i:5900
> > COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
> > x11vnc 2566 knute 8u IPv4 34352 0t0 TCP
> > *:5900 (LISTEN)
> > x11vnc 2566 knute 9u IPv6 34353 0t0 TCP
> > *:5900 (LISTEN)
> >
> >
> > --
> >
> > Knute Johnson
> >
> > --
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>
>
> --
>
> Knute Johnson
>
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