LPIC-1: Linux Professional Institute Certification Study Guide (Level 1 Exams 101 and 102)

by Roderick W. Smith

• ISBN13: 9780782144253
• ISBN10: 078214425X
• Edition: CD
• Format: Paperback
• Copyright: 2005-09-01
• Publisher: Sybex

Summary

LPIC-1 Linux Professional Institute Certification Study Guide Here's the book you need to prepare for the LPI Level 1 exams from Linux Professional Institute. This study guide was developed to meet the exacting requirements of today's certification candidates, and has been reviewed and designated as LPI Approved Training Material. In addition to the consistent and accessible instructional approach that readers have come to expect from Sybex, this book provides: * Clear and concise information on Linux technologies and topics * Practical examples and insights drawn from real-world experience * Coverage of key topics such as security, the boot process and scripts, and kernel maintenance tools * Linux compatible exam preparation software, including a testing engine and electronic flashcards for your Palm You'll find authoritative coverage of key exam topics including: * Linux command line tools * Using regular expressions * Managing shared libraries * Configuring hardware * Designing a hard disk layout * Creating partitions and file systems * Configuring X Window system * Managing GUI logins * Customizing a desktop environment * Creating a custom kernel * Managing the shell environment * Configuring a boot loader * Managing servers * Configuring Samba

Author Biography

Roderick W. Smith, LPIC-1 is a Linux networking expert and the author of several books, including the Linux+ Study Guide, also from Sybex.

Table of Contents

Introduction	xxi
Assessment Test	xxx
Part I The LPI 101 Exam (106 Weights)	1	(262)
Linux Command-Line Tools	3	(54)
Command-Line Basics	4	(9)
Linux Shell Options	4	(1)
Using a Shell	5	(5)
Shell Configuration	10	(1)
Using Environment Variables	11	(1)
Getting Help	12	(1)
Using Streams, Redirection, and Pipes	13	(4)
Types of Streams	13	(1)
Redirecting Input and Output	14	(1)
Piping Data Between Programs	15	(1)
Generating Command Lines	16	(1)
Processing Text Using Filters	17	(12)
File-Combining Commands	17	(2)
File-Transforming Commands	19	(4)
File-Formatting Commands	23	(3)
File-Viewing Commands	26	(1)
File-Summarizing Commands	27	(2)
Using Regular Expressions	29	(4)
Understanding Regular Expressions	29	(1)
Using grep	30	(2)
Using sed	32	(1)
Editing Files with Vi	33	(4)
Vi Modes	34	(1)
Basic Text-Editing Procedures	34	(3)
Saving Changes	37	(1)
Managing Processes	37	(10)
Examining Process Lists	38	(5)
Foreground and Background Processes	43	(1)
Managing Process Priorities	44	(1)
Killing Processes	45	(2)
Summary	47	(1)
Exam Essentials	47	(2)
Review Questions	49	(4)
Answers to Review Questions	53	(4)
Managing Software	57	(52)
Package Concepts	58	(2)
Using RPM	60	(10)
RPM Distributions and Conventions	60	(2)
Upgrades to RPM	62	(1)
The rpm Command Set	63	(4)
Extracting Data from RPMs	67	(2)
RPM Configuration Files	69	(1)
RPM Compared to Other Package Formats	70	(1)
Using Debian Packages	70	(12)
Debian Distributions and Conventions	71	(1)
The dpkg Command Set	71	(3)
Using apt-get	74	(4)
Using dselect	78	(2)
Reconfiguring Packages	80	(1)
Debian Packages Compared to Other Package Formats	80	(1)
Configuring Debian Package Tools	81	(1)
Converting between Package Formats	82	(1)
Package Dependencies and Conflicts	83	(4)
Real and Imagined Package Dependency Problems	83	(1)
Workarounds to Package Dependency Problems	84	(2)
Startup Script Problems	86	(1)
Installing Programs from Source	87	(6)
Obtaining and Extracting Software	87	(2)
Configuring Software	89	(1)
Compiling and Installing Software	90	(2)
Uninstalling Locally Compiled Software	92	(1)
Managing Shared Libraries	93	(6)
Library Principles	93	(1)
Locating Library Files	94	(3)
Library Management Commands	97	(2)
Summary	99	(1)
Exam Essentials	99	(2)
Review Questions	101	(4)
Answers to Review Questions	105	(4)
Configuring Hardware	109	(52)
Configuring the BIOS and Core Hardware	110	(8)
Understanding the Role of the BIOS	110	(1)
IRQs	111	(3)
I/O Addresses	114	(1)
DMA Addresses	115	(1)
The Real-Time Clock	116	(1)
Boot Disks and Geometry Settings	116	(2)
Configuring Expansion Cards	118	(3)
Configuring ISA Devices	118	(2)
Configuring PCI Devices	120	(1)
Configuring Modems	121	(4)
Functions of Modems	121	(1)
Setting the RS-232 Serial Port Characteristics	122	(1)
Winmodem Detection and Avoidance	123	(1)
Using Broadband Hardware	124	(1)
Configuring USB Devices	125	(3)
USB Basics	125	(1)
Linux USB Drivers	126	(1)
USB Manager Applications	127	(1)
Configuring Sound Cards	128	(2)
Configuring SCSI Devices	130	(4)
Varieties of SCSI	130	(1)
SCSI IDs	131	(1)
SCSI Termination	132	(1)
Identifying SCSI Hardware	133	(1)
Designing a Hard Disk Layout	134	(5)
Why Partition?	134	(1)
Types of Disk Partitions	135	(2)
Mount Points	137	(1)
Common Partitions and Filesystem Layouts	138	(1)
Creating Partitions and Filesystems	139	(10)
Partitioning a Disk	140	(3)
Preparing a Partition for Use	143	(6)
Installing Boot Loaders	149	(3)
Boot Loader Principles	149	(2)
Using LILO or GRUB	151	(1)
Summary	152	(1)
Exam Essentials	152	(2)
Review Questions	154	(4)
Answers to Review Questions	158	(3)
Managing Files and Filesystems	161	(58)
Maintaining Filesystem Health	162	(9)
Tuning Filesystems	163	(2)
Maintaining a Journal	165	(1)
Checking Filesystems	166	(2)
Monitoring Disk Use	168	(3)
Mounting and Unmounting Filesystems	171	(7)
Temporarily Mounting or Unmounting Filesystems	171	(5)
Permanently Mounting Filesystems	176	(2)
Managing Files	178	(9)
File Naming and Wildcard Expansion Rules	179	(1)
File Commands	180	(5)
Managing Links	185	(1)
Directory Commands	186	(1)
Managing File Ownership	187	(2)
Assessing File Ownership	187	(1)
Changing a File's Owner	188	(1)
Changing a File's Group	188	(1)
Controlling Access to Files	189	(10)
Understanding Permissions	189	(4)
Changing a File's Mode	193	(4)
Setting the Default Mode and Group	197	(1)
Changing File Attributes	198	(1)
Managing Disk Quotas	199	(2)
Enabling Quota Support	199	(1)
Setting Quotas for Users	200	(1)
Locating Files	201	(7)
The FHS	201	(4)
Tools for Locating Files	205	(3)
Summary	208	(1)
Exam Essentials	209	(2)
Review Questions	211	(4)
Answers to Review Questions	215	(4)
The X Window System	219	(44)
Configuring Basic X Features	220	(16)
X Server Options for Linux	220	(1)
Methods of Configuring X	221	(5)
X Configuration Options	226	(9)
Fine-Tuning Video Modes	235	(1)
Configuring X Fonts	236	(6)
Font Technologies and Formats	236	(1)
Configuring X Core Fonts	237	(2)
Configuring a Font Server	239	(1)
Configuring Xft Fonts	240	(2)
Managing GUI Logins	242	(3)
The X GUI Login System	242	(1)
Running an XDMCP Server	243	(1)
Configuring an XDMCP Server	243	(2)
Configuring a Desktop Environment	245	(5)
Desktop Environment Choices	245	(1)
Configuring Linux to Run Your Desktop Environment	246	(3)
Configuring the X Environment	249	(1)
Configuring a Window Manager	250	(1)
Using X for Remote Access	250	(3)
X Client/Server Principles	250	(1)
Using Remote X Clients	251	(2)
Summary	253	(1)
Exam Essentials	254	(1)
Review Questions	255	(5)
Answers to Review Questions	260	(3)
Part II The LPI 102 Exam (99 Weights)	263	(292)
The Boot Process and Scripts	265	(64)
Managing Kernel Modules	266	(8)
Obtaining Information about the Kernel and Its Modules	266	(4)
Loading Kernel Modules	270	(1)
Removing Kernel Modules	271	(1)
Maintaining Kernel Modules	272	(2)
Creating a Custom Kernel	274	(8)
Kernel Version Numbering	274	(2)
Obtaining the Kernel	276	(2)
Configuring the Kernel	278	(3)
Compiling the Kernel	281	(1)
Putting Everything in Its Place	281	(1)
Configuring a Boot Loader	282	(10)
Using LILO as the Boot Loader	283	(4)
Using GRUB as the Boot Loader	287	(5)
Understanding the Boot Process	292	(2)
Extracting Information on the Boot Process	292	(1)
The Boot Process	293	(1)
Dealing with Runlevels and the Initialization Process	294	(8)
Runlevel Functions	294	(2)
Identifying the Services in a Runlevel	296	(1)
Managing Runlevel Services	297	(2)
Checking Your Runlevel	299	(1)
Changing Runlevels on a Running System	300	(2)
Managing the Shell Environment	302	(8)
Shell Options	302	(1)
Built-in Shell Functions	303	(1)
Using Environment Variables	304	(4)
Shell Configuration Files	308	(2)
Linux Scripting	310	(9)
Beginning a Shell Script	310	(1)
Using Commands	311	(2)
Using Variables	313	(2)
Using Conditional Expressions	315	(2)
Using Functions	317	(2)
Summary	319	(1)
Exam Essentials	319	(2)
Review Questions	321	(4)
Answers to Review Questions	325	(4)
Documentation and Security	329	(54)
Using Local System Documentation	330	(5)
Using Linux Manual Pages	330	(4)
Using Package Documentation	334	(1)
Finding Linux Documentation and Help on the Internet	335	(3)
The Linux Documentation Project	336	(1)
Additional Online Help Resources	336	(2)
Communicating with Users	338	(1)
Restricting Access by Ports	339	(21)
Common Server Ports	340	(2)
Configuring a Firewall	342	(11)
Using Super Server Restrictions	353	(2)
Disabling Unused Servers	355	(5)
Package and Program Security	360	(6)
Tracking Down SUID/SGID Programs	360	(1)
Verifying Package Integrity	361	(3)
Keeping Packages Up-to-Date	364	(2)
Passwords	366	(4)
Password Risks	366	(1)
Choosing a Good Password	367	(2)
Tools for Managing Passwords	369	(1)
Configuring User-Level Security	370	(2)
Configuring Mail Aliases	370	(1)
Setting Login, Process, and Memory Limits	371	(1)
Summary	372	(1)
Exam Essentials	373	(2)
Review Questions	375	(4)
Answers to Review Questions	379	(4)
Administering the System	383	(62)
Managing Users and Groups	384	(17)
User and Group Concepts	384	(3)
Configuring User Accounts	387	(10)
Configuring Groups	397	(4)
Tuning User and System Environments	401	(1)
Using System Log Files	402	(7)
Understanding syslogd	402	(1)
Setting Logging Options	402	(2)
Rotating Log Files	404	(3)
Reviewing Log File Contents	407	(2)
Maintaining the System Time	409	(9)
Linux Time Concepts	409	(1)
Setting the Time Zone	410	(1)
Manually Setting the Time	411	(2)
Using NTP	413	(5)
Running Jobs in the Future	418	(7)
The Role of cron	418	(1)
Creating System cron Jobs	419	(1)
Creating User cron Jobs	420	(1)
Using anacron	421	(3)
Using at	424	(1)
Backing Up the System	425	(11)
Common Backup Hardware	425	(2)
Common Backup Programs	427	(5)
Backing Up a Computer	432	(1)
Planning a Backup Schedule	432	(2)
Preparing for Disaster: Backup Recovery	434	(2)
Summary	436	(1)
Exam Essentials	436	(2)
Review Questions	438	(4)
Answers to Review Questions	442	(3)
Basic Networking	445	(66)
Understanding TCP/IP Networking	446	(5)
Basic Functions of Network Hardware	446	(1)
Types of Network Hardware	447	(1)
Network Packets	448	(1)
Network Protocol Stacks	449	(1)
TCP/IP Protocol Types	450	(1)
Network Addressing	451	(9)
Types of Network Addresses	452	(5)
Resolving Hostnames	457	(2)
Network Ports	459	(1)
Configuring Linux for a Local Network	460	(8)
Network Hardware Configuration	460	(1)
DHCP Configuration	461	(1)
Static IP Address Configuration	461	(3)
Configuring Routing	464	(1)
Using GUI Configuration Tools	465	(1)
Hostname Configuration	466	(2)
Configuring Linux as a PPP Client	468	(4)
Making Basic PPP Connections	468	(2)
Using Supplemental PPP Tools	470	(2)
Diagnosing Local and PPP Connections	472	(6)
Testing Basic Connectivity	473	(1)
Tracing a Route	473	(1)
Checking Network Status	474	(1)
Examining Raw Network Traffic	475	(1)
Using Additional Tools	476	(2)
Using a Super Server	478	(6)
The Role of a Super Server	478	(2)
Configuring inetd	480	(3)
Configuring xinetd	483	(1)
Configuring Printing	484	(18)
The Linux Printing Architecture	484	(1)
Understanding PostScript and Ghostscript	485	(3)
Running a Printing System	488	(1)
Configuring BSD LPD and LPRng	488	(3)
Configuring Cups	491	(5)
Printing to Windows or Samba Printers	496	(1)
Monitoring and Controlling the Print Queue	497	(5)
Summary	502	(1)
Exam Essentials	502	(2)
Review Questions	504	(4)
Answers to Review Questions	508	(3)
Managing Servers	511	(44)
Configuring Sendmail	512	(8)
E-Mail Basics	513	(1)
Setting Sendmail Options for Your System	514	(4)
Managing the Mail Queue	518	(1)
Sendmail Security Considerations	519	(1)
Configuring Apache	520	(4)
Apache Basics	520	(2)
Setting Apache Options for Your System	522	(1)
Apache Security Considerations	523	(1)
Configuring an NFS Server	524	(4)
NFS Basics	524	(1)
Creating File Exports	525	(1)
Mounting NFS Exports	526	(1)
NFS Security Considerations	527	(1)
Configuring Samba	528	(9)
Samba Basics	528	(1)
Using Samba as a Server	529	(7)
Samba Security Considerations	536	(1)
Using a Forwarding DNS Server	537	(4)
DNS Server Basics	537	(2)
Setting DNS Options for Your Network	539	(1)
Using a Forwarding DNS Server	540	(1)
Bind Security Considerations	541	(1)
Configuring SSH	541	(5)
SSH Basics	542	(1)
Setting SSH Options for Your System	543	(3)
SSH Security Considerations	546	(1)
Summary	546	(1)
Exam Essentials	546	(2)
Review Questions	548	(4)
Answers to Review Questions	552	(3)
Glossary	555	(26)
Index	581