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Subject:	Re: Cannot build debug/-Zi using VS 2010 SP1 via ssh with public key auth from local administrator account
From:	"J. P. Abelanet" <jp AT basissw DOT com>
In-reply-to:	<A55E8DE6-5C7D-465F-AB97-45E398ADF63C@basissw.com>
Date:	Fri, 26 Jul 2013 15:22:02 -0500
Cc:	"J. P. Abelanet" <jp AT basissw DOT com>
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References:	<C511312E-7990-4D2B-8751-0824C26D98B8 AT basissw DOT com> <51F2B2A9 DOT 2060607 AT cygwin DOT com> <A55E8DE6-5C7D-465F-AB97-45E398ADF63C AT basissw DOT com>
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On Jul 26, 2013, at 12:51 PM, J. P. Abelanet <jp AT basissw DOT com> wrote:

>=20
>>=20
>>> I've since tried the following:
>>> - running ssh-host-config on (a) and rebooting, with no effect
>>> - completely removing CYGWIN and all traces of sshd
>>> (http://cygwin.wikia.com/wiki/Uninstalling_Cygwin) and reinstalling on
>>> (a), with no effect
>>=20
>> We discourage people from following Cygwin advice from ad-hoc sites.  In
>> this case, it provides a synopsis of how to do this and then points to a
>> link in the Cygwin FAQ from where the synopsis came.  Two things should
>> make anyone think twice about the information at this site:
>>=20
>> 1. It points to the Cygwin FAQ as the source.
>> 2. The link to the Cygwin FAQ is broken.
>=20
> Thanks for the warning - I'll try to be more diligent in the future.
>=20
>>=20
>>> - completely removing VS 2010 and all related packages (I think), and
>>> trying to build using the untouched version of VS 2008 I had previously=
 been
>>> using, and now building debug across CYGWIN/ssh/pub key with VS 2008 fa=
ils
>>> as well
>>=20
>> Yeah, that of course assumes that the uninstall undid all that the insta=
ll
>> did.  There's not a good way to verify that.  If you can narrow down the
>> time-frame (with the Cygwin Time Machine for example - Google it) when y=
ou
>> see the problem appear, that could help find a solution, assuming you're
>> still seeing the problem with 1.7.22.
>>=20
>=20
> Understood.  And yes, the problem still occurs with 1.7.22.
>=20
> As I mentioned originally, I'm using a local (non-domain) account,
> and it has administrator privileges.  What is the fundamental difference =
between
> public key authentication and password authentication in this context?
>=20

Here is the source of the problem, and I'm virtually certain that these pro=
blems occurred
as a result of running setup.exe on the two machines as part of the upgrade
(note that I did not, for various reasons, run setup.exe on the two machine=
s that still work).
Here are the USER* variables on machines (a) and (b), the two problem machi=
nes,
when logging in via ssh/pub key:
gessh AT niven
$ set | grep USER
USER=3Dgessh
USERDOMAIN=3D'NT AUTHORITY'
USERNAME=3DSYSTEM
USERPROFILE=3D'C:\Documents and Settings\gessh'

gessh AT salinger
-bash-4.1$ set | grep USER
USER=3Dgessh
USERDOMAIN=3Dsalinger
USERNAME=3Dcyg_server
USERPROFILE=3D'C:\Users\gessh.salinger'
Here are the two problem machines when using ssh with password authenticati=
on:

gessh AT niven
$ set | grep USER
USER=3Dgessh
USERDOMAIN=3DNIVEN
USERNAME=3Dgessh
USERPROFILE=3D'C:\Documents and Settings\gessh'

gessh AT salinger
-bash-4.1$ set | grep USER
USER=3Dgessh
USERDOMAIN=3Dsalinger
USERNAME=3Dgessh
USERPROFILE=3D'C:\Users\gessh.salinger'


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