Network clone (also called multi-cast clone) technology is mainly used to install operating system to, restore data to, backup/copy data from, or make system image from the hard disks of multiple client computers within a local area network (LAN) in batch, thus minimize the time you spend on installing the clients' OS or backuping data one by one every time. Of course, it is an old technology, but in many environments that is still practical and works all right.

CentOS (Community Enterprise Operating System) is a recompiled product based on RHEL's (Red Hat Enterprise Linux) open source. Because CentOS fixed a lot of known bugs on the basis of RHEL, compared with other Linux distributions, its stability is more trustworthy. This is the reason a lot of servers requiring high stability use CentOS to replace the commercial RHEL.

The Database Hacker's Handbook is another top-quality book after The Shellcoder's Handbook, in which 4 world's top security experts will teach you how to intrude and defend 7 kinds of today's most popular database servers hand by hand. Moreover, you will deeply learn how to use active defense against invasion.

For webmasters, maybe you always wanted to know how many visitors you have had on your webserver. So the anthor created IIS Logfile Analyser that will read IIS lofiles easier (only W3C format).

When seting up a FTP Server, you are likely to think of the famous FTP Serv-U or FileZilla Server first. Yes, they are recognized as the powerful FTP server software, but the multifarious function settings often make many FTP beginners flinch.