Grappling with disk space
Disks are getting bigger and bigger, but so are our users' data collections. How do you quickly pin down the source of the problem when a file system suddenly fills up? Let's look at some useful commands.
Unix Tip: Finding services on a subnet
If you have ever needed to survey a large group of systems to find out which of them supported some particular service, such as ftp, telnet, ssh or some other particular application, you have probably thought of numerous ways to query the systems for the required information and display it in some usable fashion. Many methods of obtaining information from servers, however, require some sort of login or a remote shell request that either takes more time than you want to spend or requires you to configure some sort of trust on the part of the systems with the information for the system on which it is being collected. In today's column, we will look at a way to find out about services running on systems without setting up any access ahead of time.
Win an Amazon Kindle!
This month's giveaway gadget - Amazon's Kindle - will keep you entertained on the long trip home to visit family and friends over the holidays. Enter the drawing now!
Applied Security Visualization
By Raffael Marty
Published by Addison-Wesley Professional
Learn more!
IT Manager's Handbook
By Bill Holtsnider and Brian D. Jaffe
Published by Morgan Kaufmann
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Windows Vista Resource Kit
By Mitch Tulloch, Tony Northrup, and Jerry Honeycutt
Published by Microsoft Press
Learn more!
