本书介绍如何在Linux下建立、运行并维护站点的综合技术，它适合于有一定的UNIX或Linux基本操作基础的网络建立者和维护者，同时也是广大Linux爱好者的一本较全面的参考书。-This book describes how to establish, under Linux, run and maintain the site' s comprehensive technology, is suited to a certain extent the basic operation of UNIX or Linux-based networks and the defenders, while the vast number of Linux enthusiasts in a more comprehensive reference书.