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Re: Changing the MIT-MAGIC-COOKIE-1 used by emacs --server

From: Stefan Monnier
Subject: Re: Changing the MIT-MAGIC-COOKIE-1 used by emacs --server
Date: Tue, 24 Mar 2009 07:33:17 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.91 (gnu/linux)

> I made a naive attempt by 
> (setenv "XAUTHORITY" "/path/to/new/xauth-file")
> but this didn't work...

The way it is expected to work is: XAUTHORITY is unset (i.e. points to
~/.Xauthority) and all keys are stored in ~/.Xauthority.  The `xauth'
command is used to add/remove keys to/from it.

> - start an X11 server with -auth
>   (which is what most display-managers or startx do nowadays)

Yes, most display managers do that to start the display, but when
someone logs in they also adds the display's key to the user's
~/.Xauthority file, so the XAUTHORITY var doesn't need to be set.


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