Networking: A Beginner’s Guide Fifth Edition- P76:I have run into many people over the years who have gained good even impressive working knowledge of PCs, operating systems, applications, and common problems and solutions. Many of these people are wizards with desktop computers. | Chapter 21 Introduction to Linux Systems Administration 357 You can use the dash - as an optional parameter. This character tells su not only to switch identities but to run the login scripts for that user as well. For example if you are logged in as root and want to switch to user sshah with all of his login and shell configurations type the following root@ford root su - sshah Chapter Summary In this chapter you first learned about setting some of the key server settings using the built-in graphical tools in Fedora Linux. Then you learned about the Linux command line and how to control the system using it. Of course this chapter didn t cover everything you need to know about Linux system administration. But given what you learned here you should be able to perform basic administrative duties and find your way through the operating system. The easiest way to gain more information is to spend time playing with both the command-line tools and the various System Tools programs. The graphical tools are capable of so much more than was shown here. In fact for simple servers it is possible to perform system maintenance using the graphical tools alone The command line on the other hand is the core of Linux s flexibility. If you want to learn more about systems administration for Linux be sure to check out Linux Administration A Beginner s Guide Third Edition by Steven Graham McGraw-Hill Professional 2002 . Now that you ve learned about installing Linux and about administering a Linux system in the next chapter you learn about installing one of the most common network services that are run under Linux an Apache web server. This page intentionally left blank Chapter 22 Setting Up a Linux Web Server with Apache .
