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Top Forums Shell Programming and Scripting Problem with ssh on target server. Post 303038813 by stomp on Saturday 14th of September 2019 09:22:53 AM
Old 09-14-2019
Hi Mohtashims,

I'm now sitting on my notebook and I checked the two different Debug-Outputs of the 2 ssh connections. I clearly see differences.

I assume, you have - as I suggested - to debug the server side. But from the client side, there are visible differences, which shed a little light on the situation.

General Hints

I'm watching you and your questions quite a while. Your technical knowledge is quite good. You have scripting skills. You know how to use the commands and build programs upon that. That's very good.

What I see too, is that you are quickly asking questions if you stumble upon errors like here. So I think a further good skill, which will bring you forward in your overall competence would be problem investigation and problem solving capability.

What do you need for that?
  • Patience and willingness to deeply and carefully investigate a problem. Take your time, read debug output very carefully.
  • Try to understand what's happening! Step by step.
  • Think about it! What can be wrong? Where can be an error?
  • Think about how to get more information in the process! Where to get more information in the process?
  • Isolate more and more exactly the spot of the error
  • Debug output your variables
  • Make small test programs

    If you do not understand why the whole program reacts like it does, take small bits out of it and make a small testing program and take the problematic data into that.
  • Be prepared for own blind spots.

    Program errors you do not recognize even if they are directly in front of you, even if you'd seen them a dozen of times.(I had two spelling errors in your name in this post even if I read a hundred times in this forum so far.) Maybe Programming language behaviour that is not like you always believed it to be.
  • From time to time a break helps a lot


Apply that on the current problem and you will get closer to the cause.

So my question to you is here: What are the differences between the two client connection session debug logs?

Last edited by stomp; 09-14-2019 at 11:39 AM..
 

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openipmish(1)						 Shell interface to an IPMI system					     openipmish(1)

NAME
openipmish - Shell interface to an IPMI system SYNOPSIS
openipmish [option] DESCRIPTION
The openipmish is a command interpreter that gives the full power of the OpenIPMI library to a user-level command language. It is designed so it can easily be driven with a scripting language like TCL, it has well-formed output. openipmish starts up with no connections or anything of that nature. You must enter commands to make connections to domains. OPTIONS
--dmsg Turn on message debugging, this will dump all messages to debug log output. --drawmsg Turn on raw message debugging, this will dump all low-level messages to debug log output. This differs from normal message debug- ging in that all protocol messages are also dumped, not just IPMI messages. --dmem Turn on memory debugging, this will cause memory allocation and deallocations to be checked. When the program terminates, it will dump all memory that was not properly freed (leaked). --dmsgerr Turn on printing out low-level message errors. --dlock Turn on lock debugging, this will check lock operations to make sure that locks are help in all the proper places and make sure that locks are properly nested. -x <string>, --execute <string> Execute the given string at startup. This may be entered multiple times for multiple commands. --glib Use glib for the OS handler. --snmp Enable the SNMP trap handler. openipmish must be compiled with SNMP code enabled for this option to be available. --help Help output COMMANDS
openipmish follows the standard command syntax defined in ipmi_cmdlang(7). See that for the details on most commands. The IPMI manual that comes with OpenIPMI will also be quite handy. openipmish defines some commands that are not in the standard command language. These are: read Read and execute commands from the given file. exit Quit redisp_cmd on|off Normally, openipmish redisplays the command line when an event comes in. This is nice for interactive use, but bad for scripting. This lets you turn that function on and off. SEE ALSO
ipmi_cmdlang(7), ipmi_ui(1) KNOWN PROBLEMS
None AUTHOR
Corey Minyard <cminyard@mvista.org> OpenIPMI 05/13/03 openipmish(1)
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