Cant get responsive terminal when I ssh from Windows to Linux using putty.exe


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Special Forums Windows & DOS: Issues & Discussions Cant get responsive terminal when I ssh from Windows to Linux using putty.exe
# 1  
Cant get responsive terminal when I ssh from Windows to Linux using putty.exe

I ssh from Windows to Linux server and execute a few commands. I have ssh keys setup between them and works fine.

The commands get executed on the Linux server however I wish to stay on the Linux terminal that was opened by putty.exe. However, the terminal simply does the job and closes.

Here is the command I run on Windows:

Code:
C:\putty\putty.exe -ssh -i "C:\putty\my_id_rsa_putty.ppk" myuser@10.8.66.126 -m "C:\putty\ssh_commands.txt"

Here is my "C:\putty\ssh_commands.txt"

Code:
cd /app/axmw/sftp; 
sshpass -p mypass sftp myuser@10.9.88.195; cd Moht; get *; quit; exit
/bin/bash

The job is done and the script gets executed fine on the target Linux, however the Linux terminal gets launch but hangs and is unresponsive.

I need it to be interactive with any shell [bash, sh, ksh] which is not the case.

If i append "-t"at the end of this command like below:

Code:
C:\putty\putty.exe -ssh -i "C:\putty\my_id_rsa_putty.ppk" myuser@10.8.66.126 -m "C:\putty\ssh_commands.txt" -t

Then it gives me interactive shell however it takes me inside the sftp terminal prompt and the commands do not get executed.

How can I get my commands executed and end up landing on interactive bash or any shell on the target Linux ?
# 2  
Two ideas off the cuff that can't be tested as there's no windows machine within reach:
- run the ssh_commands.txt from within your shell's rc / login file, possibly after a plausibility check
- run / exec your shell at the end of ssh_commands.txt. I see it in your file, but are you sure execution gets to it? The exit in the line before might close the session but leave the teminal window open and unresponsive.
# 3  
Quote:
Originally Posted by RudiC
Two ideas off the cuff that can't be tested as there's no windows machine within reach:
- run the ssh_commands.txt from within your shell's rc / login file, possibly after a plausibility check
- run / exec your shell at the end of ssh_commands.txt. I see it in your file, but are you sure execution gets to it? The exit in the line before might close the session but leave the teminal window open and unresponsive.
Removed the "-t" argument
Removed the exit from ssh_commands.txt

Ran the C:\putty\putty.exe -ssh -i "C:\putty\my_id_rsa_putty.ppk" myuser@10.8.66.126 -m "C:\putty\ssh_commands.txt"

All good and done however this leaves me with an interactive terminal on sftp prompt instead of a shell.

Same is observed when running ssh_commands.txt directly on Linux host

Kindly suggest.
# 4  
Hmm. Deleted my response - not helpful.
# 5  
Post an xtrace of your session, and, upfront, read comments utmost carefully.


Is the exit in your file executed? By which entity (sftp? shell?)?
# 6  
Quote:
Originally Posted by RudiC
Post an xtrace of your session, and, upfront, read comments utmost carefully.


Is the exit in your file executed? By which entity (sftp? shell?)?
Don't know how to get the xtrace in windows. By the way i modified ssh_commands.txt to debug and i came to the conclusion that "-t" is necessary to us to get the interactive terminal.

The issue with ssh_commands.txt is:

Code:
cd /app/axmw/sftp;    <--- success
touch insidesftp.txt;   <--- success
sshpass -p mypass sftp myuser@10.9.88.195; cd Moht; get *; quit;    <--- Fails (only the first statement gets executed sshpass -p mypass sftp myuser@10.9.88.195; hence i land up on sftp prompt. All the successive commands do not even get executed)
/bin/bash     <--- does not get executed.

Thus, we need to know how to pass each sftp command to be executed.

Last edited by mohtashims; 4 Weeks Ago at 02:34 PM..
# 7  
Quote:
Originally Posted by mohtashims
Don't know how to get the xtrace in windows.
The way I read your script I don't think we were talking about xtracing in windows. Set it in your script.


Quote:
.
.
.
Code:
cd /app/axmw/sftp;    <--- success
touch insidesftp.txt;   <--- success
sshpass -p mypass sftp myuser@10.9.88.195; cd Moht; get *; quit;    <--- Fails (only the first statement gets executed sshpass -p mypass sftp myuser@10.9.88.195; hence i land up on sftp prompt. All the successive commands do not even get executed)

Of course, they don't - the sftp command ends with the first semicolon. It expects commands on stdin if having entered "interactive command mode". Did you consider the -b batchfile option?


Quote:
Code:
/bin/bash     <--- does not get executed.

Of course not - you're exiting the script before reaching this statement (in your first post's script, that is)
This User Gave Thanks to RudiC For This Post:
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