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Re: Change user with the su command

On Wed, Mar 07, 2001 at 12:06:05PM +0100, Fabio Di Fabio wrote:
> Hi,
> after 5 years of Linux, now I'm installing open sorce tools to W2000 for 
> web development, in particular the last tool I've installed is the 
> PostgreSQL database, now it's running, I've some problem in understand the 
> user management under cygwin, I work usually as administrator, which is 
> like the root and unix, but for example I've created an user in w2000 
> called postgres which manage the database, but now I don't know how to 
> switch from administrator to postgres user without relogin in w2000, I've 
> seen that the su command is here but it doesn't work like the linux su, 
> because if from the administrator shell I excute "su postgres" I got this 
> output:
> 	su: cannot set user id: Not owner
> I've search for documentation and in the archive of the mailing lists but I 
> can't find something usefull, any help?

To be able to switch user context on the command line your login
needs special user rights. Read /usr/doc/Cygwin/inetutils-1.3.2.README
which contains some details. Additionally don't use `su' but `login'
to switch the user because it's really ported while su isn't.
To understand the interaction of NT and Cygwin security using the
`ntsec' option I suggest reading the online documentation, especially the `ntsec' documentation


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                      
Red Hat, Inc.

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