vnc port forwarding

[Zahid Rahman]

ubuntu at ubuntu:~$ sudo lsof -i:22
COMMAND  PID   USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
sshd    2447   root    3u  IPv4  42579      0t0  TCP *:ssh (LISTEN)
sshd    2447   root    4u  IPv6  42581      0t0  TCP *:ssh (LISTEN)
sshd    6699   root    4u  IPv4 225849      0t0  TCP
ubuntu:ssh->_gateway:47082 (ESTABLISHED)
sshd    6769 ubuntu    4u  IPv4 225849      0t0  TCP
ubuntu:ssh->_gateway:47082 (ESTABLISHED)
ubuntu at ubuntu:~$ sudo lsof -i:5900
ubuntu at ubuntu:~$


On Tue, 2 Nov 2021, 5:51 pm Colin Law, <clanlaw at gmail.com> wrote:

> On Tue, 2 Nov 2021 at 17:36, Zahid Rahman <zahidr1000 at gmail.com> wrote:
> >
> > Sorry I tried this earlier. sudo lsof -i:5900
> >
> > I get nothing. No error message,
> >  just goes to a new  terminal prompt .
>
> Then port 5900 is not open on the machine.  To check it is the right
> command try
> sudo lsof -i:22
>
>
> Colin
>
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