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Editorial Team
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Asked: 2026-06-01T15:30:44+00:00

I’m currently facing a weird problem while executing a command from my bash script.

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I’m currently facing a weird problem while executing a command from my bash script.

My script has this command,

ssh IPAddressA -l root "ssh -l root IPAddressB ls"

where IPAddressA & IPAddressB would be replaced by hard coded IP addresses of two machines accessible from each other.

The user would enter the password whenever asked. But, I’m getting this error after I enter the IPAddressA’s password.

root@IPAddressA's password: 
Permission denied, please try again.
Permission denied, please try again.
Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password).
]$
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1 Answer

  1. Editorial Team

    When the inner ssh password is prompted, there’s no interactive keyboard available. You can get what you want with ssh tunneling.

    ssh root@IPAddressA -L2222:IPAddressB:22 -Nf
ssh root@localhost -p2222

    The first line open a tunnel, so your localhost 2222 port points to IPAddressB:22 andd bring the ssh process in background (-f) without executing a command (-N)
    The second line connects IPAddressB:22 through the new opened tunnel

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