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I have successfully transferred a file from a Linux machine to windows. But I am unable to transfer the file to a MacBook Air that I have. I have already tried going to system preferences and was able to verify I have remote login selected.

The syntax I am using is scp -P PORTNUM FILE_NAME USERNAME@IP_ADDRESS:FILE_PATH

I receive the error message, connection refused connection timed out.

The most progress I have made was when I also included the username and IP address of where the source file is located. It asked to add a key fingerprint and continue connection which I typed yes to.

It then prompts me to enter a password, but once I do it never actually makes a connection and ends saying connection time out after a few minutes.

Romeo Ninov
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navis462
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  • SCP (Secure CP) relies on SSH protocol, so for this to work your MacBook must have a running SSH server. – Peregrino69 Sep 23 '21 at 07:59
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    Are you able to ssh to the remote OS? Are you able to run a non-interactive command via ssh? E.g. ssh -p PORTNUM USERNAME@IP_ADDRESS date. If not then this has to be fixed first because (local) scp works by running (remote) scp via ssh (like we run date in the example). This also means scp has to be available in the remote system. – Kamil Maciorowski Sep 23 '21 at 08:11
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    See How do you run a SSH server on Mac OS X. – harrymc Sep 23 '21 at 08:42
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    it's not clear from your description what is actually happening. Try running ssh -vv -p portnum user@host 'echo hello' (with the correct port, username, and host for this remote system). This will print debugging output while connecting to the remote system and running a simple command. Then [edit] your question to include everything that ssh printed. – Kenster Sep 23 '21 at 12:28

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