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I have two servers ( serverA and serverB ) , and setup ssh without password , I use the command "scp file testusr@serverB:/tmp " can scp file to serverB without password , it used for long time without any problem , but I don't know why I suddenly can't use it , I tried to re-setup it and restart sshd , but still not work, the error is
testusr@serverB's password
can advise what is the possible reason of it ? what can i do ? thx in advance.
Off hand I would suspect that the key file in your .ssh is missing, or the .ssh directory on the other machine got messed with. Either the authorized_keys file, or the .pub files got moved.
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