After installation is complete on your Red Hat Linux system, you still have some work to do to customize the system to meet your needs. User accounts need to be set up, filesystems must be configured, and additional packages may need to be added or removed. | RHCE RED HAT CERTIFIED ENGINEER 4 Basic Configuration and Administration CERTIFICATION OBJECTIVES Q A Adding Deleting and Modifying User Accounts The Basic User Environment Filesystem Configuration Using the Red Hat Package Manager Basic Networking The Basic Boot Process Virtual Consoles Other Configuration Tools Mounting Floppy Disks and Removable Media Two-Minute Drill Self Test 182 Chapter 4 Basic Configuration and Administration After installation is complete on your Red Hat Linux system you still have some work to do to customize the system to meet your needs. User accounts need to be set up filesystems must be configured and additional packages may need to be added or removed. This chapter will get you started with the basics that every Red Hat Linux administrator should know. At the end of this chapter you should know how to manage user accounts and environments configure and mount filesystems use RPM to manage packages manage system daemons and configure virtual consoles keyboards and mice. CERTIFICATION OBJECTIVE Adding Deleting and Modifying User Accounts The default Red Hat installation gives you just a single login account root. You should set up more accounts. Even if you re going to be the only user on the system it s a good idea to create at least one nonadministrative account to do your day-to-day work. Then you can use the root account only when it s necessary to administer the system. Accounts can be added to Red Hat Linux systems using various utilities including the vi text editor the manual method the useradd command the command line method and the Red Hat User Manager utility the graphical method . User Account Categories Linux user accounts are of three basic types administrative root regular and service. The account that you have to create when you install Linux is the root user account with administrative privileges to all services on your Linux computer. Crackers would love a chance to take
