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Old 12-17-2007, 11:28 AM   #1
flhrc
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Registered: Jun 2006
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expect and openssh


Hi, All;
I am trying to automate some tasks for a large number of network devices (switches). The devices act as ssh servers. When I use openssh client to connect interactively with these devices, all is well.
When I try to use expect for the interaction, the log on sequence is successful. Then, when I issue the desired command with expect it appears that the switch does not like the line terminator because it echoes the command but does not execute it (I had to disable speudo-tty allocation to get this far).
It seems that expect should be sending the same information that the keyboard would send during an interactive session, but apparently not.
Any suggestions?

p.s.: I am running Slackware 12.0.
 
Old 12-17-2007, 12:53 PM   #2
WolfAngel
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Registered: Oct 2007
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I think I once did something similar, but I did it with a shell script, and telnet, but it shouldn't be impossible though.
What I did was, making the shell script echo my commands, I just piped it into telnet, like ./shellscript.sh | telnet
Worked like a charm.

You could then make a list of ip/hostnames, and do a for a in `cat list`; do ./shellscript.sh| telnet $a done;

But I'm not sure that's what you're looking for?

Last edited by WolfAngel; 12-18-2007 at 01:18 AM.
 
  


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