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Re: tramp 2.26 emacs 24.3 plink

From: MM
Subject: Re: tramp 2.26 emacs 24.3 plink
Date: Mon, 15 Sep 2014 16:42:43 +0100

On 15 September 2014 15:42, Michael Albinus <address@hidden> wrote:
> MM <address@hidden> writes:
>> I usually restart Emacs.
> That's good, but not as good as `tramp-cleanup-all-connections'. Tramp
> caches connection properties, which survive an Emacs restart.
>> 1. There are appear to be repeated retries to read the prompt. Is
>> there a way to increase the time between retries?
> No, Tramp doesn't read your prompt several times. It checks it for
> several regexps, in order to find out where we are.
>> 2. After the successful log in to the final host, tramp sends
>> _another_ plink command towards myhost again, which just fails. It's
>> not needed. This makes the connection to myhost closed, and back to
>> the prompt on the gateway
> This shouldn't happen, and this doesn't happen in stock configuration. I
> believe you don't need the "myplink" entry in tramp-methods. I recommend
> to throw it away, and to use plink as it is.
> The only change from you I have seen is that you give a hard-coded
> password. Tramp doesn't do it ever, for security reasons. You could
> always enter it interactively, or you could write it into your
> ~/.authinfo file, if you don't want to type it.
> And no, I have no idea why Tramp calls plink twice in your environment.
>> 3. A 2nd successful login to myhost, and then tramp seems to do a
>> couple of checks on available commands, though it erases the PATH
>> variable before that.
> It does it always, for sanity. Tramp dislikes private versions of
> standard POSIX programs :-)
>> 4. finally, it tries to locate the file I've asked for, but adds the C
>> windows drive. Indeed, my home directory is actually the same on my
>> windows box and the remote solaris server.
> Hmm, you run Tramp 2.2.6. I remember a bug with the volume letter, which
> was fixed in 2.2.8. Maybe it is the same here?
>> 5. then, it attempts to find the 'ls' command
> This seems also be caused by the misplaced volume letter.
> In fact, first we shall fix the double call of "plink". Then let's see
> what happens.
>> Inline below, my .emacs again.... Do I need the proxies alist still?
>> (add-to-list 'tramp-methods
>>   '("myplink"
>>     (tramp-login-program        "plink")
>>     (tramp-login-args           (("-l" "%u") ("-pw" "mypass") ("-ssh") 
>> ("%h")))
>>     (tramp-remote-shell         "/bin/bash")
>>     (tramp-remote-shell-args    ("-c"))
>>    ))
>> (setq tramp-default-method "myplink")
> This I recommend to throw away.
>>  (setq tramp-password-end-of-line "\r\n")
> Is this needed? I believe not.
>> (add-to-list 'tramp-default-proxies-alist
>>   '("myhost" nil "/myplink:address@hidden:"))
> Likely not needed.
>> (eval-after-load "tramp-sh"
>>  '(add-to-list 'tramp-actions-before-shell
>>               '(my-tramp-prompt-regexp my-tramp-action)))
> Since you require tramp-sh already, a simple add-to-list (w/o
> eval-after-load) should be sufficient.
> Best regards, Michael.

On removal of everything, tramp launches a ftp.exe, as I don't have
this plink anywhere anymore

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