nw05: Trying empty user-authentication request. nw05: Authentication methods that can continue: publickey,keyboard-interactive. nw05: Next method to try is publickey. nw05: Trying pubkey authentication with key file '/root/.ssh/id_rsa.pub' nw05: Will not query passphrase for '/root/.ssh/id_rsa.pub' in batch mode. nw05: Loading private key failed. Permission denied at /root/bin/getsysinfo.pl line 43