how to use Net::SSH::Perl with public keys?

Question

I'm trying to use Net::SSH::Perl to connect using public keys with this code:

my $ssh = Net::SSH::Perl->new($host, debug=>1) || die ......

I put the key in /root/.ssh/id_rsa and /root/.ssh/identity

It seems that it's not trying to use the public key and instead trying to ask for a password:

I get this output:

localhost: Sent key-exchange init (KEXINIT), wait response.
localhost: Algorithms, c->s: 3des-cbc hmac-sha1 none
localhost: Algorithms, s->c: 3des-cbc hmac-sha1 none
localhost: Entering Diffie-Hellman Group 1 key exchange.
localhost: Sent DH public key, waiting for reply.
localhost: Received host key, type 'ssh-dss'.
localhost: Host '10.212.1.201' is known and matches the host key.
localhost: Computing shared secret key.
localhost: Verifying server signature.
localhost: Waiting for NEWKEYS message.
localhost: Send NEWKEYS.
localhost: Enabling encryption/MAC/compression.
localhost: Sending request for user-authentication service.
localhost: Service accepted: ssh-userauth.
localhost: Trying empty user-authentication request.
localhost: Authentication methods that can continue: publickey,gssapi-with-mic,password.
localhost: Next method to try is publickey.
localhost: Next method to try is password.
localhost: Trying password authentication.
localhost: Will not query passphrase in batch mode.
localhost: Authentication methods that can continue: publickey,gssapi-with-mic,password.
localhost: Next method to try is publickey.
localhost: Next method to try is password.
localhost: Trying password authentication.
localhost: Will not query passphrase in batch mode.
localhost: Authentication methods that can continue: publickey,gssapi-with-mic,password.
localhost: Next method to try is publickey.
localhost: Next method to try is password.
localhost: Trying password authentication.
localhost: Will not query passphrase in batch mode.
localhost: Authentication methods that can continue: publickey,gssapi-with-mic,password.
localhost: Next method to try is publickey.
localhost: Next method to try is password.

Arthur Ulfeldt · Accepted Answer · 2010-08-26 18:40:16Z

11

found it: have to specify the key file location manually:

@KEYFILE = ("/root/.ssh/id_rsa");
$ssh = Net::SSH::Perl->new($host, debug=>1, identity_files=>\@KEYFILE)

answered Aug 26, 2010 at 18:40

Arthur Ulfeldt

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