Hi all,

I am trying to run the command

ssh Master

it runs and shows after entering password.
Password: abc
Last login: Thu Oct 25 13:51:06 2012 from master

But ssh for Slave through error.

ssh Slave

it asks for password ans denie

Password: abc
Password: abc
Password: abc
Permission denied (publickey,keyboard-interactive).

Please suggest.
Thanks & regards
Yogesh Kumar
Please do not print this email unless it is absolutely necessary.

The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments.

WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.

www.wipro.com

Make sure username on both the machines is same. Also, have you copied the
public key to the slave machine?

Regards,
    Mohammad Tariq

On Thu, Oct 25, 2012 at 1:58 PM, <[EMAIL PROTECTED]> wrote:

>  Hi all,
>
> I am trying to run the command
>
> ssh Master
>
> it runs and shows after entering password.
> Password: abc
> Last login: Thu Oct 25 13:51:06 2012 from master
>
> But ssh for Slave through error.
>
>
>
> ssh Slave
>
> it asks for password ans denie
>
> Password: abc
> Password: abc
> Password: abc
> Permission denied (publickey,keyboard-interactive).
>
> Please suggest.
> Thanks & regards
> Yogesh Kumar
>
>  * Please do not print this email unless it is absolutely necessary. *****
>
> The information contained in this electronic message and any attachments
> to this message are intended for the exclusive use of the addressee(s) and
> may contain proprietary, confidential or privileged information. If you are
> not the intended recipient, you should not disseminate, distribute or copy
> this e-mail. Please notify the sender immediately and destroy all copies of
> this message and any attachments.
>
> WARNING: Computer viruses can be transmitted via email. The recipient
> should check this email and any attachments for the presence of viruses.
> The company accepts no liability for any damage caused by any virus
> transmitted by this email.
>
> www.wipro.com
>

Yogesh,

Have you figured it out?  I had the same issue (needed passwordless ssh) and managed. Let me know if you are still stuck.

AK47

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 4:28 AM
To: [EMAIL PROTECTED]
Subject: ERROR:: SSH failour for distributed node hadoop cluster
Importance: High

Hi all,

I am trying to run the command

ssh Master

it runs and shows after entering password.
Password: abc
Last login: Thu Oct 25 13:51:06 2012 from master

But ssh for Slave through error.

ssh Slave

it asks for password ans denie

Password: abc
Password: abc
Password: abc
Permission denied (publickey,keyboard-interactive).

Please suggest.
Thanks & regards
Yogesh Kumar

Please do not print this email unless it is absolutely necessary.

The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments.

WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.

www.wipro.com<http://www.wipro.com>

NOTICE: This e-mail message and any attachments are confidential, subject to copyright and may be privileged. Any unauthorized use, copying or disclosure is prohibited. If you are not the intended recipient, please delete and contact the sender immediately. Please consider the environment before printing this e-mail. AVIS : le pr?sent courriel et toute pi?ce jointe qui l'accompagne sont confidentiels, prot?g?s par le droit d'auteur et peuvent ?tre couverts par le secret professionnel. Toute utilisation, copie ou divulgation non autoris?e est interdite. Si vous n'?tes pas le destinataire pr?vu de ce courriel, supprimez-le et contactez imm?diatement l'exp?diteur. Veuillez penser ? l'environnement avant d'imprimer le pr?sent courriel

Hi Andy,

I am still at that point, not able to solve it yet

Please help, Same issue with all settings and commands I have raise by Subject
ERROR: : Hadoop Installation in distributed mode.ï؟½to the mailing llist.
Thanks & RegardsYogesh Kumar
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Date: Thu, 25 Oct 2012 16:01:56 +0000
Yogesh,
 
Have you figured it out?  I had the same issue (needed passwordless ssh) and managed. Let me know if you are still stuck.

 
AK47
 
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 4:28 AM

To: [EMAIL PROTECTED]

Subject: ERROR:: SSH failour for distributed node hadoop cluster

Importance: High
 

Hi all,
I am trying to run the command

ssh Master

it runs and shows after entering password.

Password: abc

Last login: Thu Oct 25 13:51:06 2012 from master

But ssh for Slave through error.

ssh Slave

it asks for password ans denie

Password: abc

Password: abc

Password: abc

Permission denied (publickey,keyboard-interactive).

Please suggest.

Thanks & regards

Yogesh Kumar

Please do not print this email unless it is absolutely necessary.

The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you
 should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments.

WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.

www.wipro.com

NOTICE: This e-mail message and any attachments are confidential, subject to copyright and may be privileged. Any unauthorized use, copying or disclosure is prohibited. If you are not the intended recipient, please delete and contact the sender immediately.
 Please consider the environment before printing this e-mail. AVIS : le prï؟½sent courriel et toute piï؟½ce jointe qui l'accompagne sont confidentiels, protï؟½gï؟½s par le droit d'auteur et peuvent ï؟½tre couverts par le secret professionnel. Toute utilisation, copie
 ou divulgation non autorisï؟½e est interdite. Si vous n'ï؟½tes pas le destinataire prï؟½vu de ce courriel, supprimez-le et contactez immï؟½diatement l'expï؟½diteur. Veuillez penser ï؟½ l'environnement avant d'imprimer le prï؟½sent courriel    

Yogesh,

One need to understand how passwordless ssh work.

Say there is a user “yosh”
He types ssh localhost and is prompted for a password. This is how to resolve this.

1.
Type : ssh-keygen -t rsa

-t stand for type and rsa (encryption)  - another type will be dsa.

Well, after you run above command,  a pair of private and public keys is generated and stored in your /home/yosh/.ssh folder.

“cd” in there and you will see two files. Id_rsa (private key) and id_rsa_pub (public key).

If you create a file called “authorized_keys” and place your public key in there you will achieve psswdless access. How to do it?

2.
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

The above command reads your PubKey and appends to the file. After that try “ssh localhost” again. Voila! No more password request.

Now, imagine you are ssh-ing into this very same machine from another computer where u  log-in as yosh. “ssh < ip>”.  The machine will similarly let you in without password.

p.s. If you do not know ip address of that machine, find out by simply typing “hostname –i”.

Happy hadoop’ing.

AK47
From: yogesh dhari [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 12:12 PM
To: hadoop helpforoum
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Hi Andy,

I am still at that point, not able to solve it yet

Please help, Same issue with all settings and commands I have raise by Subject
ERROR: : Hadoop Installation in distributed mode.‏
to the mailing llist.
Thanks & Regards
Yogesh Kumar

________________________________
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Date: Thu, 25 Oct 2012 16:01:56 +0000
Yogesh,

Have you figured it out?  I had the same issue (needed passwordless ssh) and managed. Let me know if you are still stuck.

AK47

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 4:28 AM
To: [EMAIL PROTECTED]
Subject: ERROR:: SSH failour for distributed node hadoop cluster
Importance: High

Hi all,

I am trying to run the command

ssh Master

it runs and shows after entering password.
Password: abc
Last login: Thu Oct 25 13:51:06 2012 from master

But ssh for Slave through error.

ssh Slave

it asks for password ans denie

Password: abc
Password: abc
Password: abc
Permission denied (publickey,keyboard-interactive).

Please suggest.
Thanks & regards
Yogesh Kumar
Please do not print this email unless it is absolutely necessary.
The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments.
WARNING: Computer viruses can be transmitted via email. The recipient should check this email and any attachments for the presence of viruses. The company accepts no liability for any damage caused by any virus transmitted by this email.
www.wipro.com<http://www.wipro.com>
NOTICE: This e-mail message and any attachments are confidential, subject to copyright and may be privileged. Any unauthorized use, copying or disclosure is prohibited. If you are not the intended recipient, please delete and contact the sender immediately. Please consider the environment before printing this e-mail. AVIS : le présent courriel et toute pièce jointe qui l'accompagne sont confidentiels, protégés par le droit d'auteur et peuvent être couverts par le secret professionnel. Toute utilisation, copie ou divulgation non autorisée est interdite. Si vous n'êtes pas le destinataire prévu de ce courriel, supprimez-le et contactez immédiatement l'expéditeur. Veuillez penser à l'environnement avant d'imprimer le présent courriel
NOTICE: This e-mail message and any attachments are confidential, subject to copyright and may be privileged. Any unauthorized use, copying or disclosure is prohibited. If you are not the intended recipient, please delete and contact the sender immediately. Please consider the environment before printing this e-mail. AVIS : le présent courriel et toute pièce jointe qui l'accompagne sont confidentiels, protégés par le droit d'auteur et peuvent être couverts par le secret professionnel. Toute utilisation, copie ou divulgation non autorisée est interdite. Si vous n'êtes pas le destinataire prévu de ce courriel, supprimez-le et contactez immédiatement l'expéditeur. Veuillez penser à l'environnement avant d'imprimer le présent courriel

Thanks Andy,

I got your point :-),

What I have done earlier..

I have configured

1) One as a Master ( plays role of
both Name node and Data Node)

2) Second as a Slave (
Only date node)

I have give same name to both Machines and they have Admin access.
pluto ( for both Master and Slave).

and generated ssh key pair through this way

Master:~ mediaadmin$ ssh-keygen -t rsa -P " "

Generating public/private rsa key pair.

Enter file in which to save the key (/Users/mediaadmin/.ssh/id_rsa):

/Users/mediaadmin/.ssh/id_rsa already exists.

Overwrite (y/n)? y

Your identification has been saved in /Users/mediaadmin/.ssh/id_rsa.

Your public key has been saved in /Users/mediaadmin/.ssh/id_rsa.pub.

The key fingerprint is:

32:0f:be:7a:ea:44:a1:4a:b6:b1:85:3f:1f:56:48:4b mediaadmin@Master

The key's randomart image is:

+--[ RSA 2048]----+

|                 |

|                 |

|    .E           |

|  ..o.o          |

| =...o+.S        |

|o.*. ..=         |

|.o o.o. .        |

|   .+ o.         |

|   .+=.          |

+-----------------+

Copy to home

Master:~ mediaadmin$ cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys

and copy to Slave Node as

mediaadmin$ cat ~/.ssh/id_rsa.pub | ssh pluto@Slave 'cat >> ~/.ssh/authorized_keys'

Login to Slave node

Master:~ mediaadmin$ ssh pluto@Slave

Last login: Thu Oct 25 18:54:15 2012 from 10.203.33.80

and Log out

plutos-iMac:~ pluto$ exit

logout

Connection to Slave closed.

Login to Master node (here it asks for password)

Master:~ mediaadmin$ ssh Master

Password:

Last login: Thu Oct 25 19:03:27 2012 from master
HERE COMES THE ISSUE

when I run start-dfs.sh, its asks for password and I did enter the pass word of Master but i didn't accept.
Master:~ mediaadmin$ start-dfs.sh

starting namenode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-namenode-Master.out

Password:Password:

Password:

Password:

Slave: Permission denied (publickey,keyboard-interactive).

Password:

Master: starting datanode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-datanode-Master.out

Password:

Master: starting secondarynamenode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-secondarynamenode-Master.out

When I enter password of Slave then it again goes like this.

Master:~ mediaadmin$ start-dfs.sh

starting namenode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-namenode-Master.out

Password:Password:

Password:

Password:

Password:

Password:

Master: Permission denied (publickey,keyboard-interactive).

Slave: Permission denied (publickey,keyboard-interactive).

Password:

Password:

Password:

Master: Permission denied (publickey,keyboard-interactive).

Please suggest me where I am going wrong, and why is asking for password when I configured it as password less SSH,

where I doing mistake in SSH or some thing else.

Thanks & Regards

Yogesh Kumar Dhari
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Date: Thu, 25 Oct 2012 16:37:36 +0000
Yogesh,
 
One need to understand how passwordless ssh work.
 
Say there is a user ï؟½yoshï؟½

He types ssh localhost and is prompted for a password. This is how to resolve this.
 
1.
Type : ssh-keygen -t rsa
 
-t stand for type and rsa (encryption)  - another type will be dsa.
 
Well, after you run above command,  a pair of private and public keys is generated and stored in your /home/yosh/.ssh folder.
 
ï؟½cdï؟½ in there and you will see two files. Id_rsa (private key) and id_rsa_pub (public key).
 
If you create a file called ï؟½authorized_keysï؟½ and place your public key in there you will achieve psswdless access. How to do it?
 
2.
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys
 
The above command reads your PubKey and appends to the file. After that try ï؟½ssh localhostï؟½ again. Voila! No more password request.
 
Now, imagine you are ssh-ing into this very same machine from another computer where u  log-in as yosh. ï؟½ssh < ip>ï؟½.  The machine will similarly let you in
 without password.
 
p.s. If you do not know ip address of that machine, find out by simply typing ï؟½hostname ï؟½iï؟½.
 
Happy hadoopï؟½ing.
 
AK47

 

 
From: yogesh dhari [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 12:12 PM

To: hadoop helpforoum

Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
 

Hi Andy,

I am still at that point, not able to solve it yet

Please help, Same issue with all settings and commands I have raise by Subject

ERROR: : Hadoop Installation in distributed mode.ï؟½
to the mailing llist.

Thanks & Regards

Yogesh Kumar
From: [EMAIL PROTECTED]

To: [EMAIL PROTECTED]

Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster

Date: Thu, 25 Oct 2012 16:01:56 +0000

Yogesh,
 
Have you figured it out?  I had the same issue (needed passwordless ssh) and managed. Let me know if you are still stuck.

 
AK47
 
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 4:28 AM

To: [EMAIL PROTECTED]

Subject: ERROR:: SSH failour for distributed node hadoop cluster

Importance: High
 

Hi all,
I am trying to run the command

ssh Master

it runs and shows after entering password.

Password: abc

Last login: Thu Oct 25 13:51:06 2012 from master

But ssh for Slave through error.

ssh Slave

it asks for password ans denie

Password: abc

Password: abc

Password: abc

Permission denied (publickey,keyboard-interactive).

Please suggest.

Thanks & regards

Yogesh Kumar

Please do not print this email unless it is absolutely necessary.
The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not

Yoges,

If you are asked for a password you PSSWDLSS SSH is not working.

Shoot, forgot one detail. Please rememeber to set file authorized_keys to 600 permission. :)
From: yogesh dhari [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 1:14 PM
To: hadoop helpforoum
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster

Thanks Andy,

I got your point :-),

What I have done earlier..

I have configured
1) One as a Master ( plays role of both Name node and Data Node)
2) Second as a Slave ( Only date node)

I have give same name to both Machines and they have Admin access. pluto ( for both Master and Slave).

and generated ssh key pair through this way

Master:~ mediaadmin$ ssh-keygen -t rsa -P " "
Generating public/private rsa key pair.
Enter file in which to save the key (/Users/mediaadmin/.ssh/id_rsa):
/Users/mediaadmin/.ssh/id_rsa already exists.
Overwrite (y/n)? y
Your identification has been saved in /Users/mediaadmin/.ssh/id_rsa.
Your public key has been saved in /Users/mediaadmin/.ssh/id_rsa.pub.
The key fingerprint is:
32:0f:be:7a:ea:44:a1:4a:b6:b1:85:3f:1f:56:48:4b mediaadmin@Master
The key's randomart image is:
+--[ RSA 2048]----+
|                 |
|                 |
|    .E           |
|  ..o.o          |
| =...o+.S        |
|o.*. ..=         |
|.o o.o. .        |
|   .+ o.         |
|   .+=.          |
+-----------------+

Copy to home
Master:~ mediaadmin$ cat $HOME/.ssh/id_rsa.pub >> $HOME/.ssh/authorized_keys
and copy to Slave Node as
mediaadmin$ cat ~/.ssh/id_rsa.pub | ssh pluto@Slave 'cat >> ~/.ssh/authorized_keys'
Login to Slave node
Master:~ mediaadmin$ ssh pluto@Slave
Last login: Thu Oct 25 18:54:15 2012 from 10.203.33.80
and Log out
plutos-iMac:~ pluto$ exit
logout

Connection to Slave closed.
Login to Master node (here it asks for password)
Master:~ mediaadmin$ ssh Master
Password:
Last login: Thu Oct 25 19:03:27 2012 from master

HERE COMES THE ISSUE

when I run start-dfs.sh, its asks for password and I did enter the pass word of Master but i didn't accept.

Master:~ mediaadmin$ start-dfs.sh
starting namenode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-namenode-Master.out
Password:Password:
Password:
Password:
Slave: Permission denied (publickey,keyboard-interactive).

Password:
Master: starting datanode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-datanode-Master.out
Password:
Master: starting secondarynamenode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-secondarynamenode-Master.out
When I enter password of Slave then it again goes like this.

Master:~ mediaadmin$ start-dfs.sh
starting namenode, logging to /HADOOP/hadoop-0.20.2/bin/../logs/hadoop-mediaadmin-namenode-Master.out
Password:Password:
Password:
Password:
Password:
Password:
Master: Permission denied (publickey,keyboard-interactive).
Slave: Permission denied (publickey,keyboard-interactive).
Password:
Password:
Password:
Master: Permission denied (publickey,keyboard-interactive).
Please suggest me where I am going wrong, and why is asking for password when I configured it as password less SSH,

where I doing mistake in SSH or some thing else.
Thanks & Regards
Yogesh Kumar Dhari

________________________________
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Date: Thu, 25 Oct 2012 16:37:36 +0000
Yogesh,

One need to understand how passwordless ssh work.

Say there is a user “yosh”
He types ssh localhost and is prompted for a password. This is how to resolve this.

1.
Type : ssh-keygen -t rsa

-t stand for type and rsa (encryption)  - another type will be dsa.

Well, after you run above command,  a pair of private and public keys is generated and stored in your /home/yosh/.ssh folder.

“cd” in there and you will see two files. Id_rsa (private key) and id_rsa_pub (public key).

If you create a file called “authorized_keys” and place your public key in there you will achieve psswdless access. How to do it?

2.
cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys

The above command reads your PubKey and appends to the file. After that try “ssh localhost” again. Voila! No more password request.

Now, imagine you are ssh-ing into this very same machine from another computer where u  log-in as yosh. “ssh < ip>”.  The machine will similarly let you in without password.

p.s. If you do not know ip address of that machine, find out by simply typing “hostname –i”.

Happy hadoop’ing.

AK47
From: yogesh dhari [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 12:12 PM
To: hadoop helpforoum
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Hi Andy,

I am still at that point, not able to solve it yet

Please help, Same issue with all settings and commands I have raise by Subject
ERROR: : Hadoop Installation in distributed mode.‏
to the mailing llist.
Thanks & Regards
Yogesh Kumar
________________________________
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: RE: ERROR:: SSH failour for distributed node hadoop cluster
Date: Thu, 25 Oct 2012 16:01:56 +0000
Yogesh,

Have you figured it out?  I had the same issue (needed passwordless ssh) and managed. Let me know if you are still stuck.

AK47

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Thursday, October 25, 2012 4:28 AM
To: [EMAIL PROTECTED]
Subject: ERROR:: SSH failour for distributed node hadoop cluster
Importance: High

Hi all,

I am trying to run the command

ssh Master

it runs and shows after entering password.
Password: abc
Last login: Thu Oct 25 13:51:06 2012 from master

But ssh for Slave through error.

ssh Slave

it asks for password ans denie

Password: abc
Password: abc
Password: abc
Permission denied (publickey,keyboard-interactive).

Please suggest.
Thanks & regards
Yogesh Kumar
Please do not print this email unless it is absolutely necessary.
The information contained in this electronic messa