Transfer file from remote machine to local machine

[Colin Law]

On 16 July 2017 at 17:15, Yubin Ruan <ablacktshirt at gmail.com> wrote:
> Hi,
> I am having some trouble with transfering file from remote machine to
> local machine.
>
> I got a remote machine A and a remote machine B. Usually I log into
> remote machine A using ssh and then use A as a relay to log into
> remote machine B. But when I am in B, I don't know how to copy file
> directly from B to my local machine.
>
> Because remote machine A is a relay and I don't have write permission,
> I cannot transfer file from B to A. And because B is only visible to A
> (since B is a internal machine), I cannot access B directly from my
> local machine.

You have not said whether you can access the local machine from B.
Also can you access A from B and can you access local m/c from A?

Colin