Re: Connect to the ssh and execute any command

[Eric Schulte <schulte.eric@gmail.com>]

If you want an Org-mode solution, you could do the following.

    #+begin_src sh :dir /ssh:username@domain.org:
      ls -la
    #+end_src

Andrey Tykhonov <atykhonov@gmail.com> writes:

> Hi all!
>
> During last several days I was trying to implement quite simple script
> which:
>
> 1. Creates new buffer with the shell (M-x shell)
> 2. Executes there "ssh username@domain.com". As result -- the password
> prompt appears in the minibuffer. I manually input password.
> 3. Then script executes any command in the recently created buffer
> (shell), for example: "ls -la". So I expect to see directory listing on
> the domain.com.
>
> but, for sorry, I cannot to do so that "ls -la" will be executed!
>
> I googled, I have tried many different approaches but without any luck :-(
>
> Here I should mention quite important thing: I cannot use TRAMP because
> it does not work with the server to which the script connects and then
> on which executes "ls -la". (I suppose that TRAMP uses FUSE, but for
> sorry FUSE does not work with mine server). So TRAMP is not available
> for me.
>
> For example I tried:
>
> (progn
>   (make-comint-in-buffer "ssh" "*ssh*" "ssh" nil "username@domain.com")
>   (make-comint-in-buffer "ls" "*ssh*" "ls" nil "-la")
> )
> "ls -la" does not executes.
>
> (progn
>   (make-comint-in-buffer "ssh" "*ssh*" "ssh" nil "username@domain.com")
>   ; instead of "ls -la" here is pwd
>   (start-file-process "pwd" "*ssh*" "pwd")
> ) 
> In *scratch* outputs just "Process pwd finished"
>
> (progn
>   (start-process-shell-command "ssh" "*ssh*" "ssh usernamev@domain.com")
>   (process-send-string (get-buffer-process "*ssh*") "pwd\n")
> )
> Seems this one -- is overall wrong approach because start-process-shell-command
> does not want to show shell after I put the password in the prompt.
>
> Also I tried call-process instead of start-process-shell-command:
> (call-process "ssh" nil "*ssh*" t "username@domain.com")
>
> I got "Pseudo-terminal will not be allocated because stdin is not a
> terminal".
>
> Then...
>
> (progn
>   (setq buffer (get-buffer-create "*ssh*"))
>   ; switch to buffer
>   (switch-to-buffer-other-window buffer)
>   ; execute there a shell
>   (shell buffer)
>   ; then executes there mine commands
>   (process-send-string (get-buffer-process "*ssh*") "ssh username@domain.com")
>   (comint-send-input)
>   ; and
>   (process-send-string (get-buffer-process "*ssh*") "ls -la")
>   (comint-send-input)
> )
> Last process-send-string does not execute in time because it is not synchronous.
> Last process-send-string does not wait for previous...
>
> Also I tried set-process-filter but filter just eats password prompt so
> I could not input password....
>
>
> How my task could be implemented without TRAMP?
>
> Please help!
>
>
>
> Regards,
> Andrey
>
>
>
>
>
>

-- 
Eric Schulte
https://cs.unm.edu/~eschulte
PGP: 0x614CA05D