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  1.  Home
  2. RPG400-L
  3. September 2015

Re: SCP Issue (Can't open /dev/tty)

Russell,

Just hit enter for the passphrase and it will not include a passphrase.

Now that I'm re-reading the stuff you posted, though, I think I may have read it wrong the first time ;-) I think it's just not accepting your key, so it's trying other methods.

I wonder why? Each time you've re-run ssh-keygen, have you installed the new public key on the remote server?

-SK

On 9/4/2015 10:59 AM, RWesh@xxxxxxxxxxx wrote:
Thank you Scott for the response.

I believe removing the passphrase is what I would want to accomplish, but
I am unsure how to go about it.

I tried checking online and saw ssh-keygen command mentioned and leaving
the passphrase empty (for no passphrase).
I attempted to do that, but it doesn't seem to have changed anything. Is
it because there is still a passphrase it's just blank?

How would I actually remove the passphrase from the key then?


ssh-keygen -p
Enter file in which the key is (/home/QPGMR/.ssh/id_rsa):

Key has comment '/home/QPGMR/.ssh/id_rsa'
Enter new passphrase (empty for no passphrase): Enter same passphrase
again:
Your identification has been saved with the new passphrase.
$

Russell Wesh, PMP | Data Integration Specialist
Sumitomo Drive Technologies
Sumitomo Machinery Corp. of America
Tel: +1-757-485-3355 ext. 8633
Cell: +1-757-822-4446
Fax: +1-757-485-7190
www.sumitomodrive.com | How are we doing?



From: Scott Klement <rpg400-l@xxxxxxxxxxxxxxxx>
To: "RPG programming on the IBM i (AS/400 and iSeries)"
<rpg400-l@xxxxxxxxxxxx>
Date: 09/04/2015 09:41 AM
Subject: Re: SCP Issue (Can't open /dev/tty)
Sent by: "RPG400-L" <rpg400-l-bounces@xxxxxxxxxxxx>



Russell,

The key you are attempting to use requires a passphrase, but it can't
ask you for the passphrase becuase you are not using a Unix-type
terminal, so it's not able to use that key.

You mention id_dsa... this is an older, less secure, key type that you
should not use. (Likewise, it mentions "identity", same problem.) This
is not a problem, as you can see that it is also trying id_rsa. You
need to fix the situation with id_rsa.

Use one of these alternatives:
1) remove the passphrase so that id_rsa can be used without it.
2) Use a Unix terminal (such as Putty) so that it can prompt you
3) Use something like ssh-agent to enter the passphrase
4) Use something like Expect to script the passphrase


On 9/4/2015 8:26 AM, RWesh@xxxxxxxxxxx wrote:
Good Morning

I am trying to utilize openSSH and SCP to transmit a file to one of our
suppliers (They request scp specifically).

I have been following Scott Klement's guide online entitled "Scripting
the
OpenSSH, SFTP, and SCP utilities on i" and while it has been extremely
helpful to get me started
I am still running into an issue I can't seem to solve.

Below is the debug of the command I am trying to run. I also have
(id_rsa.pub id_rsa known_hosts) in my .ssh directory for the user I am
running the command as
I notice that in the debug it attempts to use the private key under a
different name (Trying private key: /home/QPGMR/.ssh/id_dsa). Should I
rename my private key?

Any help would be appreciated

scp -v /home/Edegem/POout/UORDER USER@HOSTNAME:
Executing: program
/QOpenSys/QIBM/ProdData/SC1/OpenSSH/openssh-4.7p1//bin/ssh
host HOSTNAME, user USER, command scp -v -t .
OpenSSH_4.7p1, OpenSSL 0.9.8m 25 Feb 2010
debug1: Reading configuration data
/QOpenSys/QIBM/ProdData/SC1/OpenSSH/openss
h-4.7p1//etc/ssh_config
debug1: Connecting to HOSTNAME [IP] port 22.
debug1: Connection established.
debug1: identity file /home/QPGMR/.ssh/identity type -1
debug1: identity file /home/QPGMR/.ssh/id_rsa type 1
debug1: identity file /home/QPGMR/.ssh/id_dsa type -1
debug1: Remote protocol version 2.0, remote software version
Sun_SSH_1.1.6

debug1: no match: Sun_SSH_1.1.6
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_4.7
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 'drserpapx' is known and matches the RSA host key.
debug1: Found key in /home/QPGMR/.ssh/known_hosts:1
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue:
gssapi-keyex,gssapi-with-mic,publi
ckey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/QPGMR/.ssh/identity
debug1: Offering public key: /home/QPGMR/.ssh/id_rsa
debug1: Authentications that can continue:
gssapi-keyex,gssapi-with-mic,publi
ckey,password,keyboard-interactive
debug1: Trying private key: /home/QPGMR/.ssh/id_dsa
debug1: Next authentication method: keyboard-interactive
debug1: VALUE FOR I:0
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: DONE
debug1: Authentications that can continue:
gssapi-keyex,gssapi-with-mic,publi
ckey,keyboard-interactive
debug1: Next authentication method: keyboard-interactive
debug1: VALUE FOR I:0
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: DONE
debug1: Authentications that can continue:
gssapi-keyex,gssapi-with-mic,publi
ckey,keyboard-interactive
debug1: VALUE FOR I:0
debug1: read_passphrase: can't open /dev/tty: No such device or address
debug1: DONE
debug1: Authentications that can continue:
gssapi-keyex,gssapi-with-mic,publi
ckey,keyboard-interactive
debug1: No more authentication methods to try.
Permission denied
(gssapi-keyex,gssapi-with-mic,publickey,keyboard-interactiv
e).
lost connection
$



Russell Wesh, PMP | Data Integration Specialist
Sumitomo Drive Technologies
Sumitomo Machinery Corp. of America
Tel: +1-757-485-3355 ext. 8633
Cell: +1-757-822-4446
Fax: +1-757-485-7190
www.sumitomodrive.com | How are we doing?



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