[Casper] Grep(?) or other method for a logged on user.

Fri May 8 05:47:48 PDT 2009

Perhaps this would be better in this case?

## Set a variable that takes the output of the current console owner and cut the result down
user=`ls -l /dev/console | cut -d " " -f 4`

I haven't tried it, but I would think that if nobody's logged in, /dev/console will be owned by either nobody or root.

j

On 5/7/09 16:50 , "Criss Myers" <cmyers at uclan.ac.uk> wrote:

Hi chaps

Sorry if this doesn't sound right but this us what I do, if have a policy that runs at night time only every 30mins which shutsdown a mac if no one is logged in

For me it was simple, when a user logs in a login hook touchs
/Library/Login/loggedinuser. Then when they logout it removed the file

My policy then checks if that file exists , if so is exits, if not it shutsdown.

To me that seemed the simplist, as I can reuse that log file for abu script, much easier that checking directories and users folders

Criss

On 7 May 2009, at 21:32, DHowell at austinisd.org wrote:

I found this one to work the best for me

username=`/usr/bin/w | grep console | awk '{print $1}'`

than using variable like this /Users/$username/

D. Trey Howell

trey.howell at austinisd.org

Desktop Engineering

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Sent by: casper-bounces at list.jamfsoftware.com <mailto:casper-bounces at list.jamfsoftware.com> 05/07/09 02:03 PM

To

"casper at list.jamfsoftware.com" <casper at list.jamfsoftware.com>, "Matt Oclassen" <moclassen at salesforce.com>

cc
Subject

Re: [Casper] Grep(?) or other method for a logged on user.

Are these accounts local or part of a directory?

This could be easily done a few different ways.   First and foremost I suggest anyone who manages Macs to keep their local admin accounts hidden, in like /private/var for example.  That way it keeps them out of the /Users directory.  Then all of your policies in place for your managed users can loop through the /users directory.  Since the admin accounts won't be there you won't loop them out at all.

I kind of just came up with a quick way to do this, probably not that efficient and someone who is a better script writer may want to try it.

#!/bin/bash

#get current user logged in

current_user=finger -lp | grep Directory | cut -c 19-40

#now loop through users

for i in `ls /Users`

do

if [[ $i == $current_user ]]

then jamf policy -trigger MyPolicy

else echo "not in /Users"

fi

exit
done

This was written very quick and you may want to write it a better way.  That is where I would start though.

___________________________
Thomas Larkin
TIS Department
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>>> Matt Oclassen <moclassen at salesforce.com> 05/07/09 1:32 PM >>>
Hello,

I was looking for a command that I could use to verify that a user is logged onto their machine before a policy is run (as opposed to a machine being on, but sitting at the login screen)

I want to make sure that they are logged in so they are sure to get the messaging that this policy has run.

I am imagining something like the following:

If any user is logged in (except for our 2 admin accounts whose name I can specify)

Execute  jamf policy -trigger "custom trigger"

Else quit.

Does anyone have an idea on the scripting for this?

Thanks very much,
Matt Oclassen

Desktop Systems Specialist
sales
force.com

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