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3 - run ssh from the command line Check you can connect to the remote host using the same parameters you are passing to Net::OpenSSH. In particular, ensure that you are running ssh as the same local user. If you are running your script from a webserver, the user would probably be www, apache or something alike. Common problems are: Not having the remote host public key in the known_hosts file.

run ssh from the command line Check you can connect to the remote host using the same parameters you are passing to Net::OpenSSH. In particular, ensure that you are running ssh as the same local user. If you are running your script from a webserver, the user would probably be www, apache or something alike. Common problems are: Not having the remote host public key in the known_hosts file. Wrong permissions for the ~/.ssh directory or its contents. Incorrect settings for public key authentication.