[K12OSN] collect stats

[Huck]

it worked by changing unix_users.pl to this:
###################################################

#!/usr/bin/perl

my $grep_string = $ARGV[0];

chomp $grep_string;

         $output = `last | grep still | grep -c :`;

chomp($output);
print $output;

####################################################
Yay. Pretty graphs!

Huck wrote:
> One odd thing while check'n the Logged in Users on the LTSP Server...is 
> that it doesn't report users logged in via the Thin Clients...
> likely it uses the 'users' command to glean the information ... and Thin 
> Client logins are not reflected there...
> 
> any tips to get it to reflect the users of thin clients?
> 
> --Huck
> 
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