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Old 11-19-2012, 11:13 PM   #1
manoopatil
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Registered: Nov 2012
Posts: 3

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cygwin - ssh to localhost failing with 'Connection Closed by 127.0.0.1'


Hi,

I want to setup single server hadoop on my laptop. As prerequisite for the same, installed cygwin and sshd service. Now I need to establish the connection to localhost or 127.0.0.1; When I am trying this, I am getting any error on cygwin terminal as - 'Connection Closed by 127.0.0.1'; Following is the output of the 'ssh -v localhost'. I am using Windows 7, x86

90056902@INMGCMZLT0083 ~
$ ssh -v localhost
OpenSSH_6.1p1, OpenSSL 1.0.1c 10 May 2012
debug1: Reading configuration data /etc/ssh_config
debug1: Connecting to localhost [127.0.0.1] port 22.
debug1: Connection established.
debug1: identity file /home/90056902/.ssh/id_rsa type -1
debug1: identity file /home/90056902/.ssh/id_rsa-cert type -1
debug1: identity file /home/90056902/.ssh/id_dsa type 2
debug1: identity file /home/90056902/.ssh/id_dsa-cert type -1
debug1: identity file /home/90056902/.ssh/id_ecdsa type -1
debug1: identity file /home/90056902/.ssh/id_ecdsa-cert type -1
debug1: Remote protocol version 2.0, remote software version OpenSSH_6.1
debug1: match: OpenSSH_6.1 pat OpenSSH*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_6.1
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-ctr hmac-md5 none
debug1: kex: client->server aes128-ctr hmac-md5 none
debug1: sending SSH2_MSG_KEX_ECDH_INIT
debug1: expecting SSH2_MSG_KEX_ECDH_REPLY
debug1: Server host key: ECDSA ea:22:fa:02:7c:ad:ee:e6:db:ab:dc:2b:c0:83:ca:9a
debug1: Host 'localhost' is known and matches the ECDSA host key.
debug1: Found key in /home/90056902/.ssh/known_hosts:1
debug1: ssh_ecdsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: Roaming not allowed by server
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey,password,keyboard-interactive
debug1: Next authentication method: publickey
debug1: Trying private key: /home/90056902/.ssh/id_rsa
debug1: Offering DSA public key: /home/90056902/.ssh/id_dsa
Connection closed by 127.0.0.1

90056902@INMGCMZLT0083 ~


Any help in this regards will be greatly appreciated.

Last edited by manoopatil; 11-21-2012 at 02:19 AM.
 
Old 11-23-2012, 02:48 AM   #2
manoopatil
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Registered: Nov 2012
Posts: 3

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Any views on this please?
 
Old 11-23-2012, 06:59 AM   #3
allend
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Location: Melbourne
Distribution: Slackware-current
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Cygwin is not a prerequisite for running a server on your laptop. It is a way of having a *nix like environment on your Windows machine. Trying to connect to localhost via ssh is rightly refused, as you are already there.
If you want a server on your laptop, look at installing a Linux distribution in a virtual machine, if your Windows 7 version will support it.
 
  


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