Re: italc, vnc-eye

[Fabian Franz <FabianFranz@gmx.de>]

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Am Mittwoch, 6. April 2005 11:59 schrieb Martin Herweg:
>
> Now we use a modified version of vnc-eye and it works very well on our
> Lessdisks ThinClinents which have a VIA 800Mhz Processor and 64MB RAM
> our modifications: it useses ssh to run things directly on the Terminal
> to avoid a lot of (X11)Network Traffic

How can this avoid Network Traffic?

> we still need xhost +localhost on the Terminal, but noone
> (exept the admin) has the passwords for the Lessdisks-Environment,
> so that this is not a problem.

Ok.

> Maybe one day I'll understand xauth* ;-)

Short explanation:

X has two possibilities to authenticate "clients".

1. Using host based authentication (mostly bad)
2. Using key based authentication (the MAGIC cookie)

You can list the magic cookie with:

xauth list $DISPLAY

and tranfer it to another computer like: xauth -f someothersecretfile add 
$(xauth list $DISPLAY).

You can get the magic cookie normally also from the auth file specified at 
startup of the X-Server:

# ps aux | grep X

X -auth /var/run/xauth/A:0-WckUrE [...]

And you can use xauth merge or xauth list on that file.

Hope this clarifies it up.

cu

Fabian
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