vnc port forwarding
Zahid Rahman
zahidr1000 at gmail.com
Wed Nov 3 05:45:44 UTC 2021
this works for me too, which is useful because i have a dynamic external
ip
backbutton.org::port
On Wed, 3 Nov 2021, 12:50 am Zahid Rahman, <zahidr1000 at gmail.com> wrote:
> 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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>
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