Yes, I did a right-click on the cygwin terminal icon and chose a "run as 
administrator" option. This is like doing a sudo to start a linux shell... 
everything run in the shell inherits "admin"/"root" as appropriate. Followed by 
using this shell to do:

cd /usr/bin
./ssh-host-config

I entered 'yes' responses to the various setup questions including yes to 
privileged separation. I never bumped into this sort of inheritance problem in 
Windows 7 and earlier. Seems to be a Windows 10 "feature". This past week I ran 
into the same problem using an Intel supplied command script to install their 
hydra_mpi server. Another knowledgeable Windows 10 user reports he, too, has 
encountered this issue.

After installation I do some local tweaks to sshd_config such as disablng 
plain-text password logins. I'm able to succesfully connect using ssh/sftp from 
other platforms to this system using public key authentication. Windows is 
configured to autostart cygsshd.

I can add that I previously added C:\cygwin64 to the list of Windows Defender 
exceptions.

Yes, I used to do a lot of work on Control Data Cyber205s, ETA-10s and Cray 
C90s. Practically speaking vector operations can make effective use of memory 
bandwidth.
In other words, a vector a day keeps the scalars away! 

Regards,

Art

-----Original Message-----
From: L A Walsh [mailto:cyg...@tlinx.org] 
Sent: Thursday, January 14, 2021 6:05 PM
To: art
Cc: 'cygwin@cygwin.com'
Subject: Need admin privs before something can inherit them (was Re: 
ssh-host-config doesn't "inherit" user admin privilege)

On 2021/01/14 17:21, art wrote:
> I get a security code 5 when ssh-host-config tries to install cygsshd. I was 
> logged into Win 10 pro/x64 as an admin user. The "fix" was to start a 
> Cygwin64 Terminal with Admin and then run ssh-host-config within this script. 
You say ssh-host-config tries to install cygsshd.  How was ssh-host-config
called (started)?  When Cygwin64 Terminal was run, it was run with Admin
at the start.  Was that done when ssh-host-config was run?

How was it run?

unrelated...:
> Veni, vidi, vectori! @1976, 2021
>   
---
You like vectoring, I take it?  :-)?
Cheers!
Linda
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