SSH Problem

[ABHISHEK PALIWAL]

Hi Team

I have cross-compiled openssh for mips platform and when I am trying to run SSH command at the target board it shows the following message:

command is - $ssh

output - No user exists for uid 0

Any one please me suggest what is going wrong.

Regards,

Abhishek

[Anil Kumar Pugalia]

Give the complete ssh command.

Regards
Anil

Passion: http://sysplay.in (Playing with Systems)

ABHISHEK PALIWAL said the following on Friday 02 May 2014 11:11 AM:

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[ABHISHEK PALIWAL]

there is no need to give full command even when we type ssh it should display usage of ssh.

but, when I gave

$ssh <ip>

the output is similar "No user exists for uid 0"


Regards,

Abhishek

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Regards
Abhishek Paliwal

[ABHISHEK PALIWAL]

Hi Anil,

I have tried following combinations but output is same

$ssh

No user exists for uid 0

$ssh 192.168.1.228

No user exists for uid 0

$ssh -V

No user exists for uid 0

$ssh --help

No user exists for uid 0

Regards,
Abhishek

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Regards
Abhishek Paliwal

[A kiran Kumar]

Abhishek,

Usually the format for SSH is  ssh  <userid>@<ip>

have you tried this format?.

[ABHISHEK PALIWAL]

Hi kiran,

Yes, I have tried it but error is same

$ssh ro...@192.168.1.228

No user exists for uid 0

following are the uid n groups available at my target board
$id
uid=0(root) gid=0(root) groups=0(root)
$

[Amit Tomer]

Could you try running ssh daemon in debug mode ?

[ABHISHEK PALIWAL]

i don't know how to run it in debug mode

[Amit Tomer]

Try this link  http://www.snailbook.com/faq/general-debugging.auto.html

[ABHISHEK PALIWAL]

Actually my simple question is

when we run ssh which is cross-compiled for x86 platform it will shows following:

$ssh
usage: ssh [-1246AaCfgkMNnqsTtVvXxY] [-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]] [user@]hostname [command]

But when I am trying the same for cross-compiled ssh for mips architecture it will shows following:

$ssh
No user exists for uid 0

why it doesn't show the usage of ssh same as x86 platform.

Regards,

Abhishek

[manish(monu)]

Hi Abhishek,

Is your sshd daemon running? Can u check the config file present in /etc/ssh/sshd_c

onfig?

Probably, it might not be running.

Thanks,

Manish

[Anoop C]

Just a thought. 

Does it mean that ssh is being run as uid 0 (root) and there is no root user in your rootfs, maybe you can check /etc/passwd.

[ABHISHEK PALIWAL]

following information stored in /etc/passwd file

root::0:0:root:/:/bin/ash

[Vijay N. Majagaonkar]

Yes, I have tried it but error is same

$ssh ro...@192.168.1.228

No user exists for uid 0

following are the uid n groups available at my target board
$id
uid=0(root) gid=0(root) groups=0(root)
$

Your id shows root but your prompt shows different 

root::0:0:root:/:/bin/ash

and this must be bash and not ash or it's just typo?

[Anoop C]

Ash is another compact shell.

http://en.wikipedia.org/wiki/Almquist_shell

[ABHISHEK PALIWAL]

its not a typo, i was just changed the prompt because of security purpose.

On Sat, May 3, 2014 at 11:17 PM, Vijay N. Majagaonkar <vijay.ma...@gmail.com> wrote:

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Regards
Abhishek Paliwal