how to do that?

On Thu, Apr 17, 2008 at 7:35 PM, Edward J. Yoon <[EMAIL PROTECTED]> wrote:
> Your ISP may be blocking access to critical ports behind their
>  routers. Can you access any ports on your router? You may want to try
>  setting up your router to forward some other port (80?) to your
>  server's port 22.
>
>  Thanks,
>  Edward.
>
>  On Fri, Apr 18, 2008 at 8:26 AM, Prerna Manaktala
>
>
> <[EMAIL PROTECTED]> wrote:
>  > yes this thing I already tried and in working fine but as I told u I
>  > am not able to ssh to any host I created at the site dyndns
>  >
>  >
>  > On Thu, Apr 17, 2008 at 7:13 PM, Edward J. Yoon <[EMAIL PROTECTED]> wrote:
>  > > [EMAIL PROTECTED] ~
>  > >  $ ssh
>  > >  usage: ssh [-1246AaCfgKkMNnqsTtVvXxY] [-b bind_address] [-c cipher_spec]
>  > >            [-D [bind_address:]port] [-e escape_char] [-F configfile]
>  > >            [-i identity_file] [-L [bind_address:]port:host:hostport]
>  > >            [-l login_name] [-m mac_spec] [-O ctl_cmd] [-o option] [-p 
> port]
>  > >            [-R [bind_address:]port:host:hostport] [-S ctl_path]
>  > >            [-w local_tun[:remote_tun]] [EMAIL PROTECTED] [command]
>  > >
>  > >  [EMAIL PROTECTED] ~
>  > >  $ ssh localhost
>  > >  ssh: connect to host localhost port 22: Connection refused
>  > >
>  > >  $ ssh-host-config
>  > >  Generating /etc/ssh_host_key
>  > >  Generating /etc/ssh_host_rsa_key
>  > >  Generating /etc/ssh_host_dsa_key
>  > >  Generating /etc/ssh_config file
>  > >  Privilege separation is set to yes by default since OpenSSH 3.3.
>  > >  However, this requires a non-privileged account called 'sshd'.
>  > >  ...
>  > >  Host configuration finished. Have fun!
>  > >
>  > >  [EMAIL PROTECTED] ~
>  > >  $ net start sshd
>  > >  The CYGWIN sshd service is starting.
>  > >  The CYGWIN sshd service was started successfully.
>  > >
>  > >  [EMAIL PROTECTED] ~
>  > >  $ ssh localhost
>  > >  The authenticity of host 'localhost (127.0.0.1)' can't be established.
>  > >  RSA key fingerprint is a2:6f:31:ed:d1:d9:7c:53:d8:b3:9d:79:82:9f:55:92.
>  > >  Are you sure you want to continue connecting (yes/no)? yes
>  > >  Warning: Permanently added 'localhost' (RSA) to the list of known hosts.
>  > >
>  > >  On Fri, Apr 18, 2008 at 7:59 AM, Prerna Manaktala
>  > >
>  > >
>  > > <[EMAIL PROTECTED]> wrote:
>  > >  > thanks
>  > >  > Already installed.
>  > >  > but still ssh to the newly created host in dyndns site is not working
>  > >  >
>  > >  > ssh -i path to id_rsa prerna.dyndns.org..
>  > >  > it says connection to port 22 refused
>  > >  >
>  > >  > Prerna
>  > >  >
>  > >  >
>  > >  > On Wed, Apr 16, 2008 at 9:17 PM, Edward J. Yoon <[EMAIL PROTECTED]> 
> wrote:
>  > >  > > I didn't try to run on cygwin, but you may need to install a ssh.
>  > >  > >
>  > >  > >  http://pigtail.net/LRP/printsrv/cygwin-sshd.html
>  > >  > >
>  > >  > >  On Tue, Apr 15, 2008 at 11:54 PM, Prerna Manaktala
>  > >  > >  <[EMAIL PROTECTED]> wrote:
>  > >  > >  > I tried to set up hadoop with cygwin according to the
>  > >  > >  >  
> paper:http://developer.amazonwebservices.com/connect/entry.jspa?externalID=873
>  > >  > >  >  But I had problems working with dyndns.I created a new host
>  > >  > >  >  there:prerna.dyndns.org
>  > >  > >  >  and gave the ip address of it in hadoop-ec2-env.sh as a value 
> of MASTER_HOST.
>  > >  > >  >  But when I do bin/hadoop-ec2 start-hadoop the error comes:
>  > >  > >  >  ssh:connect to host prerna.dyndns.org,port 22:connection refused
>  > >  > >  >  ssh failed for [EMAIL PROTECTED]
>  > >  > >  >  Also a warning comes that:id_rsa_gsg-keypair not accesible:No 
> such
>  > >  > >  >  file or directory though there is this file.
>  > >  > >  >
>  > >  > >  >  Thanks
>  > >  > >  >  Prerna
>  > >  > >  >
>  > >  > >
>  > >  > >
>  > >  > >
>  > >  > >  --
>  > >  > >  B. Regards,
>  > >  > >  Edward J.
>  > >  >
>  > >
>  > >
>  > >
>  > >
>  > >
>  > > --
>  > >  B. Regards,
>  > >  Edward J. Yoon
>  > >
>  >
>
>
>
>  --
>
>
> B. Regards,
>  Edward J. Yoon
>

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