[Swift-devel] ssh data provider

[Mihael Hategan]

On Thu, 2008-12-11 at 20:00 -0600, Zhao Zhang wrote:
> nope, we don't need to since ssh works for us.

Mmm, obviously not. May I suggest typing "man ssh" and reading the
section on authentication?

>  Besides, I have no idea 
> where the ssh on IO nodes saves the public key.

For public key authentication you need to put the public
key (~/.ssh/id_rsa.pub) in ~/.ssh/authorized_keys on the remote
machine. This is the public key that corresponds to your private key.

> 
> zhao
> 
> Mihael Hategan wrote:
> > Have you installed the public key on ion-1?
> >
> > On Thu, 2008-12-11 at 19:10 -0600, Zhao Zhang wrote:
> >   
> >> Then it failed
> >>
> >> zzhang at login6.surveyor:~/swift/test> ssh -v -o 
> >> HostbasedAuthentication=no -l zzh
> >> ang -i /home/zzhang/.ssh/id_rsa ion-7
> >> OpenSSH_4.2p1, OpenSSL 0.9.8a 11 Oct 2005
> >> debug1: Reading configuration data /etc/ssh/ssh_config
> >> debug1: Applying options for *
> >> debug1: /etc/ssh/ssh_config line 25: Deprecated option 
> >> "RhostsAuthentication"
> >> debug1: Connecting to ion-7 [172.16.3.7] port 22.
> >> debug1: Connection established.
> >> debug1: identity file /home/zzhang/.ssh/id_rsa type 1
> >> debug1: Remote protocol version 2.0, remote software version OpenSSH_4.2
> >> debug1: match: OpenSSH_4.2 pat OpenSSH*
> >> debug1: Enabling compatibility mode for protocol 2.0
> >> debug1: Local version string SSH-2.0-OpenSSH_4.2
> >> 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 'ion-7' is known and matches the RSA host key.
> >> debug1: Found key in /home/zzhang/.ssh/known_hosts:43
> >> 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: 
> >> publickey,keyboard-interactive,hostbased
> >> debug1: Next authentication method: publickey
> >> debug1: Offering public key: /home/zzhang/.ssh/id_rsa
> >> debug1: Authentications that can continue: 
> >> publickey,keyboard-interactive,hostbased
> >> debug1: Next authentication method: keyboard-interactive
> >> debug1: Authentications that can continue: 
> >> publickey,keyboard-interactive,hostbased
> >> debug1: No more authentication methods to try.
> >> Permission denied (publickey,keyboard-interactive,hostbased).
> >> zzhang at login6.surveyor:~/swift/test>
> >>
> >>
> >> Mihael Hategan wrote:
> >>     
> >>> I looked at the ssh logs, and it seems like you're logging in using
> >>> hostbased authentication.
> >>>
> >>> Try ssh -v -o HostBasedAuthenticatiosn=no -l zzhang
> >>> -i /home/zzhang/.ssh/id_rsa ion-1
> >>>
> >>> Also, note that you misspelled "id_rsa": Warning: Identity
> >>> file /home/zzhang/.ssh/ir_rsa not accessible: No such 
> >>> file or directory.
> >>>
> >>>
> >>> On Thu, 2008-12-11 at 18:51 -0600, Zhao Zhang wrote:
> >>>   
> >>>       
> >>>> Ha, you are right, i put a wrong log here.
> >>>>
> >>>> I rerun it, if failed with the following message.
> >>>>
> >>>> zzhang at login6.surveyor:~/swift/test> swift -sites.file ./sites.xml 
> >>>> -tc.file ./tc.data first.swift
> >>>> Swift svn swift-r2334 (Swift modified locally) cog-r2216
> >>>>
> >>>> RunID: 20081211-1850-rcrr2fk0
> >>>> Progress:
> >>>> echo started
> >>>> Sorted: [bgp000:1,000.000(98.545):0/789 overload: 0]
> >>>> Sorted: [bgp000:999.590(98.544):0/789 overload: 0]
> >>>> Sorted: [bgp000:999.180(98.544):0/789 overload: 0]
> >>>> echo failed
> >>>> Execution failed:
> >>>>         Could not initialize shared directory on bgp000
> >>>> Caused by:
> >>>>         org.globus.cog.abstraction.impl.file.FileResourceException: 
> >>>> Error while communicating with the SSH server on 172.16.3.7:22
> >>>> Caused by:
> >>>>         Public Key Authentication failed
> >>>>
> >>>> zhao
> >>>>
> >>>> Mihael Hategan wrote:
> >>>>     
> >>>>         
> >>>>> On Thu, 2008-12-11 at 18:38 -0600, Zhao Zhang wrote:
> >>>>>   
> >>>>>       
> >>>>>           
> >>>>>> sure, it is 172.16.3.6.passphrase=
> >>>>>>     
> >>>>>>         
> >>>>>>             
> >>>>> I don't believe you. Can you paste the file?
> >>>>>
> >>>>>   
> >>>>>       
> >>>>>           
> >>>>>> Mihael Hategan wrote:
> >>>>>>     
> >>>>>>         
> >>>>>>             
> >>>>>>> On Thu, 2008-12-11 at 18:30 -0600, Zhao Zhang wrote:
> >>>>>>>   
> >>>>>>>       
> >>>>>>>           
> >>>>>>>               
> >>>>>>>> Hi, Mihael
> >>>>>>>>
> >>>>>>>> If I put .passphrase= there, I got this:
> >>>>>>>>     
> >>>>>>>>         
> >>>>>>>>             
> >>>>>>>>                 
> >>>>>>> With the IP address before .passphrase, of course. I.e.
> >>>>>>> 172.16.3.6.passphrase=
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>>   
> >>>>>>>       
> >>>>>>>           
> >>>>>>>               
> >>>>>   
> >>>>>       
> >>>>>           
> >>>   
> >>>       
> >
> >
> >