[Casper] Changing the default startup/login screen via a policy?

[Eric Winkelhake]

you could just build it into your os image that is deployed.  unless you 
really need to change existing machines.

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Eric Young <eyoung at thayer.org> 
Sent by: casper-bounces at list.jamfsoftware.com
08/21/08 09:58 AM

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Subject
Re: [Casper] Changing the default startup/login screen via a policy?






I continued to pick at this after posting the question.  The 
DefaultDesktop.jpg is the picture that appears at the log in screen (it 
used to be called Aqua blue pre 10.5) It is an oddball file because you 
cannot just swap it out on a booted system, since it lives in 
CoreServices.  So it has to be renamed (with sudo), then the new file 
needs to be moved in and renamed and set for the right owner and 
permissions. 

I setup a policy with two parts.  The first part delivers a payload to the 
regular desktop pictured folder in the /Library folder... you could use an 
existing pic just as easily.  I then have the policy execute a script that 
runs the following CLi commands After the new pic is in place then trigger 
a reboot.


mv /System/Library/CoreServices/DefaultDesktop.jpg DefaultDesktop.jpg.OLD
cp /Library/Desktop\ Pictures/tobedefaultdesktop.jpg 
/System/Library/CoreServices/DefaultDesktop.jpg
chown root:wheel /System/Library/CoreServices/DefaultDesktop.jpg
chmod 644 /System/Library/CoreServices/DefaultDesktop.jpg




Og only knows why this has to be so convoluted...



______-------------------__________---------------_______----------________
Puritanism: The haunting fear that someone, somewhere, may be happy.
  - HL Mencken

Eric Young
eyoung at thayer.org



On Aug 21, 2008, at 10:25 AM, Miles Leacy wrote:

Why not just FUT & FEU with a desktop background package?

If you replace /System/Library/CoreServices/DefaultDesktop.jpg and make 
sure the permissions are owned by root:wheel, with -rw-r--r--, is there 
still a problem?

Sorry if I'm missing something.

On Thu, Aug 21, 2008 at 10:10 AM, Eric Young <eyoung at thayer.org> wrote:
Has anyone had any luck setting the DefaultDesktop.jpg (the one in the
core services folder) to something custom?  the manual method is
rather involved.....


thanks





------------------------------------------------
Those who believe in telekinetics, raise my hand
    --Kurt Vonnegut

Eric Young
eyoung at thayer.org
781-664-2286 Work




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