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I have 2 servers on Amazon AWS. I need to pass a file from A to B. Both servers have pem keys (different). I put the pem file of B on A (Is that correct?) Then tried to do from A: 

scp -i /tmp/B.pem backup.sql.gz ubuntu@ec2-XX-XX-XXX-XX.eu-central-1.compute.amazonaws.com:bckup.sql.gz

I get an error:

Permission denied (publickey).
lost connection

Whats the problem?

BTW - I opened port 22 on both

HBruijn
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Noam B.
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3 Answers3

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First make sure PEM key permission is correct and not open.

chmod 400 /tmp/B.pem

scp -r -i /tmp/B.pem backup.sql.gz ubuntu@ec2-XX-XX-XXX-XX.eu-central-1.compute.amazonaws.com:/home/ubuntu/

This will copy the GZIP file on home directory of ubuntu user.

Azfar Ullah Khan
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I think you got it wrong.
If you want to pass a file from A to B, you need to put the authentication key from A on B. B authenticates a connection from A.

Hestben
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  • what the OP calls 'pem key' is actually the ssh private key. What he is doing is correct: he copied the private key of B on A and he's is using it to authenticate on A. – Luca Gibelli Mar 27 '18 at 11:26
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Perhaps try to see if destination folder have write permissions.

dinesh shivakoti
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    wrong filesystem permissions will not result in errors regarding the public key (except permissions of the .ssh folder of course). – Gerald Schneider Mar 27 '18 at 08:55