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From: Yogesh Aher (aher.yogesh_at_[hidden])
Date: 2009-06-03 11:07:34


Dear Brian,

Thanks for your prompt reply.

I gave this command from both (host and client) machines, but both give the
same message:

-bash: /bin/ssh: No such file or directory

I installed LAM with the option *./configure --with-rsh="/bin/ssh -x"

*Also, as I'm thinking to use passwordless-ssh, I couldn't find these
.rhosts and .cshrc/.profile files.

Any suggestions about it?

Cheers,
Y.

On Wed, Jun 3, 2009 at 4:59 PM, Brian W. Barrett <brbarret_at_[hidden]>wrote:

> Did you try to follow any of the suggestions in the error message you
> cut-n-paste into your e-mail to the list? In particular, does the command:
>
> /bin/ssh -x 100.120.10.41 -n 'echo $SHELL'
>
> work properly?
>
>
> Brian
>
>
>
> On Wed, 3 Jun 2009, Yogesh Aher wrote:
>
> Dear LAM-users,
>>
>> I stuck again with the working of LAM for charm++. I installed ssh,
>> openssh, libaio and other necessary libraries (as suggested in earlier
>> archives) again, but still get the following error. If anybody came
>> across such error, will you please let me know about how to resolve it.
>> Also, please let me know if there are any permission changes need to be
>> done?
>>
>> [sam_at_xyz Linux-i686-MPI]$ lamboot -v /home/sam/.nodelist
>>
>> LAM 7.1.4/MPI 2 C++/ROMIO - Indiana University
>>
>> n-1<962> ssi:boot:base:linear: booting n0 (100.120.10.04)
>> n-1<962> ssi:boot:base:linear: booting n1 (100.120.10.41)
>>
>> -----------------------------------------------------------------------------
>> LAM failed to execute a process on the remote node "100.120.10.41".
>> LAM was not trying to invoke any LAM-specific commands yet -- we were
>> simply trying to determine what shell was being used on the remote
>> host.
>>
>> LAM tried to use the remote agent command "/bin/ssh"
>> to invoke "echo $SHELL" on the remote node.
>>
>> *** PLEASE READ THIS ENTIRE MESSAGE, FOLLOW ITS SUGGESTIONS, AND
>> *** CONSULT THE "BOOTING LAM" SECTION OF THE LAM/MPI FAQ
>> *** (http://www.lam-mpi.org/faq/) BEFORE POSTING TO THE LAM/MPI USER'S
>> *** MAILING LIST.
>>
>> This usually indicates an authentication problem with the remote
>> agent, some other configuration type of error in your .cshrc or
>> .profile file, or you were unable to executable a command on the
>> remote node for some other reason. The following is a list of items
>> that you should check on the remote node:
>>
>> - You have an account and can login to the remote machine
>> - Incorrect permissions on your home directory (should
>> probably be 0755)
>> - Incorrect permissions on your $HOME/.rhosts file (if you are
>> using rsh -- they should probably be 0644)
>> - You have an entry in the remote $HOME/.rhosts file (if you
>> are using rsh) for the machine and username that you are
>> running from
>> - Your .cshrc/.profile must not print anything out to the
>> standard error
>> - Your .cshrc/.profile should set a correct TERM type
>> - Your .cshrc/.profile should set the SHELL environment
>> variable to your default shell
>>
>> Try invoking the following command at the unix command line:
>>
>> /bin/ssh -x 100.120.10.41 -n 'echo $SHELL'
>>
>> You will need to configure your local setup such that you will *not*
>> be prompted for a password to invoke this command on the remote node.
>> No output should be printed from the remote node before the output of
>> the command is displayed.
>>
>> When you can get this command to execute successfully by hand, LAM
>> will probably be able to function properly.
>>
>> -----------------------------------------------------------------------------
>> n-1<962> ssi:boot:base:linear: Failed to boot n1 (100.120.10.41)
>> n-1<962> ssi:boot:base:linear: aborted!
>> n-1<967> ssi:boot:base:linear: booting n0 (100.120.10.04)
>> n-1<967> ssi:boot:base:linear: booting n1 (100.120.10.41)
>>
>> -----------------------------------------------------------------------------
>> .
>> .
>> .
>>
>> When you can get this command to execute successfully by hand, LAM
>> will probably be able to function properly.
>>
>> -----------------------------------------------------------------------------
>> n-1<967> ssi:boot:base:linear: Failed to boot n1 (100.120.10.41)
>> n-1<967> ssi:boot:base:linear: aborted!
>> lamboot did NOT complete successfully
>>
>>
>> Thanking you in advance!
>>
>> Sincerely,
>> Yogesh
>>
>>
> --
> Brian Barrett
> LAM/MPI Developer
> Make today a LAM/MPI day!
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