List of Figures

Chapter 1: RHCE Prerequisites

Figure 1-1: The vi editor with/etc/inittab

Figure 1-2: Adding a new user in /etc/passwd

Figure 1-3: Linux fdisk commands; p returns the partition table

Figure 1-4: /etc/passwd

Figure 1-5: Using elinks

Figure 1-6: Using lftp

Chapter 2: Hardware and Installation

Figure 2-1: Configuring TCP/IP on your network card during installation

Figure 2-2: Manual TCP/IP network card configuration

Figure 2-3: Red Hat Installer boot options

Figure 2-4: Starting the installation process

Figure 2-5: Connecting to an NFS server

Figure 2-6: Connecting to an HTTP server

Figure 2-7: Connecting to an FTP server

Figure 2-8: Basic partitioning

Figure 2-9: Configuring a boot loader

Figure 2-10: Configuring networking

Figure 2-11: Basic package customization

Figure 2-12: Red Hat Enterprise Linux package groups

Figure 2-13: Red Hat Enterprise Linux Mail Server package group details

Figure 2-14: Network Servers package group

Figure 2-15: First Boot configuration

Figure 2-16: Text-mode First Boot configuration

Figure 2-17: Configuring a firewall

Figure 2-18: Configuring SELinux

Chapter 3: The Boot Process

Figure 3-1: The BIOS initialization process

Figure 3-2: The GRand Unified Bootloader (GRUB)

Figure 3-3: Details of GRUB

Figure 3-4: Sample kill and start scripts in runlevel 5

Figure 3-5: The GRUB boot loader

Figure 3-6: Controlling services with ntsysv

Figure 3-7: The Service Configuration tool

Figure 3-8: The Date/Time Properties window

Chapter 4: Linux Filesystem Administration

Figure 4-1: parted Command Options

Chapter 5: Package Management

Figure 5-1: Pup, the Package Updater

Figure 5-2: The Package Manager

Figure 5-3: The Kickstart Configurator doesn't quite work.

Figure 5-4: The Kickstart Configurator

Figure 5-5: Using the Kickstart Configurator to set up partitions

Chapter 6: User Administration

Figure 6-1: Managing user account life

Figure 6-2: Configuring password information

Figure 6-3: Assigning groups

Figure 6-4: Quota information

Figure 6-5: Quotas with hard and soft limits

Figure 6-6: Quota grace period

Figure 6-7: Group quota

Figure 6-8: A quota report

Figure 6-9: The PAM /etc/pam.d/login module

Figure 6-10: The /etc/pam.d/system-auth configuration file

Figure 6-11: Authentication Configuration

Chapter 7: System Administration Tools

Figure 7-1: Network Configuration utility

Figure 7-2: Red Hat's Printer Configuration utility

Figure 7-3: Connecting to a remote CUPS server

Figure 7-4: Starting the printer configuration process

Figure 7-5: Selecting a connection

Figure 7-6: Selecting a manufacturer

Figure 7-7: Selecting a printer and driver

Figure 7-8: Sharing a CUPS printer

Figure 7-9: Status of configured printers

Figure 7-10: GNOME Default Printer manager

Figure 7-11: CUPS Web-based interface

Figure 7-12: CUPS Administration management page

Figure 7-13: Configuring a printer class

Figure 7-14: The new printer class

Figure 7-15: The syslog.conf log configuration file

Figure 7-16: A typical set of log files in /var/log

Chapter 8: Kernel Services and Configuration

Figure 8-1: A Red Hat Enterprise Linux/proc directory

Figure 8-2: Detected memory information

Figure 8-3: Detected CPU information

Figure 8-4: GRUB menu with original and recompiled kernels

Figure 8-5: Questions from the make config utility

Figure 8-6: The make menuconfig configuration menu

Figure 8-7: The make xconfig configuration menu

Figure 8-8: The make gconfig configuration menu

Figure 8-9: Configuration of a volume group (VG)

Figure 8-10: The GUI LVM tool

Figure 8-11: Creating a new volume group

Figure 8-12: Creating a new logical volume

Figure 8-13: Removing a logical volume

Figure 8-14: Adding a physical volume

Chapter 9: Apache and Squid

Figure 9-1: The default Apache Web page

Figure 9-2: Apache configuration files

Figure 9-3: A password-protected Web site

Figure 9-4: Customized Apache logs

Figure 9-5: The Apache configuration tool, Main tab

Chapter 10: Network File-Sharing Services

Figure 10-1: NFS Server Configuration

Figure 10-2: The Add NFS Share window

Figure 10-3: Samba Server Configuration utility

Figure 10-4: List of shared directories and printers from a remote PDC

Figure 10-5: Browsing remote shared directories

Figure 10-6: Using Startup Programs to connect to a shared Samba directory

Figure 10-7: Samba Server basic settings

Figure 10-8: Samba Server security settings

Figure 10-9: Basic components of Create Samba Share

Figure 10-10: Current Samba users

Figure 10-11: Creating a New Samba User

Figure 10-12: Testing smb.conf syntax

Chapter 11: Domain Name Service

Figure 11-1: /etc/named .caching-nameserver.conf

Figure 11-2: The root DNS servers are stored in named.ca.

Figure 11-3: The localhost.zone DNS datafile

Figure 11-4: The named.local reverse DNS file

Figure 11-5: An example.org .zone file

Figure 11-6: A reverse DNS zone file

Figure 11-7: Listing a working DNS zone

Figure 11-8: DNS query using dig

Chapter 12: Electronic Mail

Figure 12-1: system-switch-mail

Chapter 13: Other Networking Services

Figure 13-1: A public key

Figure 13-2: Generating encryption keys

Figure 13-3: It's easy to decipher a clear text password.

Figure 13-4: Active network interfaces MULTICAST

Figure 13-5: Sample DHCP configuration file

Figure 13-6: Configuring your network card

Figure 13-7: Configuring the Network Time Protocol

Chapter 14: The X Window System

Figure 14-1: Running X Window clients from remote or local computers

Figure 14-2: Set your preferred display manager in /etc/X11/prefdm.

Figure 14-3: The GNOME Display Manager, gdm

Figure 14-4: The KDE Display Manager, kdm

Figure 14-5: The startx script

Figure 14-6: A GUI as custom configured through ~/.xinitrc

Figure 14-7: The Display Settings tool, started from the text console

Figure 14-8: Display settings

Figure 14-9: Selecting a graphics card

Figure 14-10: Selecting a monitor

Figure 14-11: The GNOME desktop

Figure 14-12: The KDE desktop

Chapter 15: Securing Services

Figure 15-1: The Security Level Configuration tool

Figure 15-2: Customizing using the Red Hat Security Level Configuration tool

Figure 15-3: ls -Z output

Figure 15-4: SELinux Management Tool

Figure 15-5: SELinux Boolean options

Figure 15-6: SELinux Management File Labeling

Figure 15-7: SELinux Setroubleshoot Browser

Chapter 16: Troubleshooting

Figure 16-1: One possible error message

Figure 16-2: A second possible error message

Figure 16-3: Booting into linux rescue mode

Figure 16-4: Networking interface options in linux rescue mode

Figure 16-5: Networking interface configuration in linux rescue mode

Figure 16-6: The linux rescue environment options

Figure 16-7: The linux rescue environment has found your root directory (/).

Figure 16-8: Labels, filesystems, and partitions

Figure 16-9: The dumpe2fs command provides a lot of information.