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Linux Desktop Hacks
book

Linux Desktop Hacks

by Nicholas Petreley, Jono Bacon
March 2005
Beginner to intermediate content levelBeginner to intermediate
342 pages
15h 55m
English
O'Reilly Media, Inc.
Content preview from Linux Desktop Hacks
Scan for Wireless Networks #66
Chapter 8, Desktop Programs
|
205
HACK
and create a thumbnail. Then it connects to the web server and changes to a
directory visible on the Internet. Once the script has completed, it deletes
any old screenshots and thumbnails and uploads the new ones. After it com-
pletes this job, it sleeps for 60 seconds by default (this is adjustable) and
then continues the loop once again.
Running the Code
To run the script first change the directory to $localfolder. Your
autoscreenshot.pl script should be sitting in this folder. Now you can run it
in two different ways. You can run the script independently with the follow-
ing commands:
foo@bar:~$ chmod 777 autoscreenshot.pl
foo@bar:~$ ./autoscreenshot.pl
An alternative is to run it with the Perl interpreter:
foo@bar:~$ perl autoscreenshot.pl
—John Cheng
HACK
#66
Scan for Wireless Networks Hack #66
Detect which networks are available in your area.
Wireless networks are rapidly gaining use in homes, businesses, schools,
and other places. You can often access these networks for your personal use.
As an example, if you are visiting a conference and a number of different
wireless networks are available, you need to be able to distinguish one net-
work from another and log on. To discover which networks are available to
you, you need to use a network scanner.
Another reason to scan a network is to determine how wide-reaching and
secure the
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Publisher Resources

ISBN: 0596009119Supplemental ContentCatalog PageErrata