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Subject: Re: ssh confused about home directory?
To: cygwin AT cygwin DOT com
References: <BYAPR05MB573676B0D2BDCB42E8514BC4877C0 AT BYAPR05MB5736 DOT namprd05 DOT prod DOT outlook DOT com> <414591698 DOT 20190219230838 AT yandex DOT ru>
From: Thomas Wolff <towo AT towo DOT net>
Message-ID: <d3fbb08f-c874-ff96-a1b8-d02c1c549ff3@towo.net>
Date: Tue, 19 Feb 2019 23:00:39 +0100
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Am 19.02.2019 um 21:08 schrieb Andrey Repin:
> Greetings, Boylan, Ross!
>
>> I recently installed cygwin on Win 10, both 64 bit.
>> When I run ssh in a cygwin shell it complains
>>               Could not create directory '/home/rdboylan/.ssh'.
>> The /home directory is empty--that is, it has no rdboylan subdirectory.
>> My home directory appears to be /cygdrive/c/Users/rdboylan; that is the
>> value of $HOME
> This is the answer.
> You rely on your shell being smart enough to pick environment variable as
> operational directive, but SSH knows nothing about it and fails.
>
>> and where I end up when I do cd.
>> As far as I can tell from the docs, having c:/Users/rdboylan as home is
>> fine, but ssh doesn't seem to be respecting it.
>> /etc/nsswitch.conf has no uncommented lines and /etc/passwd does not exist
> Which explains the failure.
But it does not excuse it. That's background information while the 
authoritative guide for users should be the manuals. The ssh manual 
refers to ~, without defining what that exactly means. The bash manual 
defines ~ to be equivalent with $HOME which also sometimes fails in 
bash. Documentation and behaviour is inconsistent, probably because in 
other POSIX systems, there are typically not so many variations in 
setting up $HOME, or ~, whichever...

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