Sair Linux and Gnu Certification: Level 1 : System Administration

by Maginnis, Tobin

• ISBN13: 9780471369769
• ISBN10: 0471369764
• Format: Paperback
• Copyright: 2000-09-01
• Publisher: John Wiley & Sons Inc

Summary

Learn more, earn more with Linux certification! The Sair Linux and GNU Certification program, designed and developed by the industry-leading members of Sair Linux, Inc. and its advisory board, provides you with a clear path for improving your Linux and GNU skills and knowledge base. This new series of books will help you gain the necessary tools to become Linux and GNU certified, which can lead to more job opportunities and a higher salary! Level I concentrates on the areas of expertise that must be mastered to become a Sair Linux and GNU Certified Administrator (LCA). In this guide, the Sair Linux and GNU Certification team draws upon their years of experience to provide expert advice and guidance on managing a free-to-use, open source software system for the enterprise. With the help of detailed lab exercises, they walk you step-by-step through all areas you'll need to know in order to pass the certification exam, including theory of operation, base system, shells and commands, system utilities, and applications. Plus, they provide 100 sample test questions to help you prepare for the exam.The second of four study guides for the LCA certificate, this book will help you: · Understand the Linux native file system and the file manager · Set up an NIS server and network · Write shell scripts using BASH and Perl · Perform consistency checks and troubleshoot system errors · Create and manage individual user and group accounts · Migrate from DOS/Windows to Linux with ease · Install and configure a wide range of applications, from e-mail to benchmark utilities to backup tools Other books to look for in the Level I series: Sair Linux and GNU Certification® Level I: Installation and Configuration Sair Linux and GNU Certification® Level I: Networking Sair Linux and GNU Certification® Level I: Security, Ethics, and Privacy Visit our Web site at www.wiley.com/compbooks/

Author Biography

Tobin Maginnis is Associate Professor of Computer and Information Science at the University of Mississippi.

Table of Contents

Preface	xi
Acknowledgments	xiii
Introduction	xv
Part One Knowledge Matrix	1	(284)
Theory of Operation	3	(42)
Objectives	3	(1)
File System Structure	4	(8)
File System Hierarchy Standard	12	(3)
Shared Executable Libraries	15	(3)
Scheduling Batch (cron) Jobs	18	(1)
File Backup Design Trade-Offs	19	(3)
Types of File Backup	22	(3)
Files on Raw Devices	25	(1)
RAID Storage	26	(2)
Client/Server Printing Design Trade-Off	28	(1)
Basics of System Tuning	29	(5)
Emergency Procedures	34	(11)
Base System	45	(42)
Objectives	45	(1)
Adding and Removing Users	46	(1)
Group Management	47	(7)
Changing Ownership	54	(2)
E-Mail	56	(2)
Runlevels	58	(2)
fstab and Volume Mounting	60	(3)
Recompiling the Kernel	63	(4)
System Shutdown Techniques	67	(2)
File Permissions	69	(2)
Boot Process	71	(1)
Monitoring System Resources	72	(7)
Good Housekeeping	79	(3)
Hard Disk Management	82	(1)
System Startup Files	83	(4)
Shells and Commands	87	(84)
Objectives	87	(1)
Use of the Superuser Account	87	(2)
Communicating with Users	89	(2)
Moving from DOS/Win to Linux	91	(8)
Introduction to Shell Scripts	99	(20)
System Status	119	(1)
File System Specific Commands	120	(3)
Commands	123	(48)
System Utilities	171	(34)
Objectives	171	(1)
Archive Utilities	172	(1)
Backup Techniques	173	(3)
Volume Integrity	176	(3)
Process Management	179	(2)
Accounting	181	(6)
Printer Configuration	187	(4)
Software Package Management	191	(14)
Applications	205	(66)
Objectives	205	(1)
Backup Applications	206	(5)
Display Tools	211	(4)
Mail Exchange and Virtual E-Mail	215	(8)
Apache Web Server	223	(6)
Other Windows Managers	229	(5)
Benchmarks	234	(3)
FTP Server	237	(5)
Secure Shell	242	(2)
Common GUI Tools	244	(22)
Usenet	266	(5)
Troubleshooting	271	(14)
I can't mount a CD-ROM drive by clicking on the icon or the floppy. How can I make it work?	271	(1)
What should I do if my Linux box will not read all of its memory?	272	(1)
Why won't my computer boot after installing another video card?	272	(1)
Troubleshooting Core Dumps	272	(1)
What does ext2-fs mounting unchecked file system warning mean?	273	(1)
Why does fsck run on each reboot?	274	(1)
What is ld.so, and where can I find it?	274	(1)
How can I log back into the system after making changes?	275	(1)
Why doesn't the network card work after recompiling the kernel?	275	(1)
Why do some programs allow login with no password?	276	(1)
How can I limit the size of the core files?	276	(1)
How can the file system be encrypted?	276	(1)
Where would a Linux user get the latest version of JAVA?	277	(1)
There is a big file named kcore in my/proc. What is this, and what would happen if it were deleted?	277	(1)
How can I get the latest kernel?	277	(1)
Where can I find new software for Linux?	278	(1)
Troubleshooting Problems Using Ulimit	279	(1)
What are core files, and how can I use ulimit to help avoid the core dumps from crashes affecting performance and occupying space?	279	(1)
What are the typical errors encountered in the usage of ulimit()?	280	(1)
Will Linux support my USB xxx device?	280	(1)
Why are my characters in garbage instead of alpha?	281	(1)
Can the kernel image be bootable by LILO?	281	(1)
Why does memory appear to get smaller after a program is executed?	282	(1)
How do I remap the keyboard?	282	(1)
Why doesn't my Num Lock come on during boot up?	282	(1)
How can I change my terminal colors?	282	(1)
What is ELF?	283	(1)
Why can't my modprobe find my modules?	283	(1)
What does unknown terminal type mean?	283	(1)
Can I install a shared library, and what is its purpose?	284	(1)
Daemons	284	(1)
Part Two Labs and Exercises	285	(162)
Lab I File Systems (1)	287	(6)
Purpose	287	(1)
Theory	287	(1)
Lab Exercises	288	(3)
Questions	291	(1)
Answers	292	(1)
Advanced Questions	292	(1)
Lab II File Systems---makefs and fdformat	293	(6)
Purpose	293	(1)
Theory	293	(4)
Lab Exercises	297	(1)
Questions	298	(1)
Answers	298	(1)
Lab III Using PGP	299	(6)
Purpose	299	(1)
Theory	299	(3)
Lab Exercises	302	(1)
Advanced Lab Exercises	303	(1)
Questions	303	(1)
Answers	303	(2)
Lab IV Backup (1)	305	(12)
Purpose	305	(1)
Theory	305	(2)
Incremental and Differential Backups	307	(1)
Another Backup Utility, Using Dump/Restore	307	(3)
Lab Exercises	310	(4)
Questions	314	(1)
Answers	314	(1)
Advanced Questions	315	(2)
Lab V cron	317	(6)
Purpose	317	(1)
Theory	318	(1)
Lab Exercise	319	(2)
Questions	321	(1)
Answers	321	(1)
Advanced Questions	322	(1)
Lab VI Backup (2)	323	(6)
Purpose	323	(1)
Theory	324	(2)
Lab Exercises	326	(1)
Questions	326	(1)
Answers	327	(1)
Advanced Questions	327	(2)
Lab VII Scripting	329	(8)
Purpose	329	(1)
Theory	329	(5)
Lab Exercises	334	(1)
Advanced Exercises	334	(1)
Questions	334	(1)
Answers	335	(1)
Advanced Questions	335	(2)
Lab VIII Scripting (Bash)	337	(6)
Purpose	337	(1)
Theory	337	(2)
Lab Exercises	339	(3)
Questions	342	(1)
Answers	342	(1)
Advanced Questions	342	(1)
Lab IX Advanced Scripting (PERL)	343	(6)
Purpose	343	(1)
Theory	343	(1)
Lab Exercise	344	(2)
Questions	346	(1)
Answers	347	(1)
Advanced Questions	347	(2)
Lab X Kernel Downloading and Recompiling	349	(8)
Purpose	349	(1)
Theory	349	(5)
Lab Exercises	354	(1)
Questions	354	(1)
Answers	354	(1)
Advanced Questions	355	(2)
Lab XI Printer Control	357	(6)
Purpose	357	(1)
Theory	357	(3)
Lab Exercise	360	(1)
Questions	360	(1)
Answers	361	(1)
Advanced Questions	361	(2)
Lab XII Inodes	363	(8)
Purpose	363	(1)
Theory	363	(1)
Lab	364	(4)
Lab Exercise	368	(1)
Questions	369	(1)
Answers	370	(1)
Advanced Questions	370	(1)
Lab XIII Installing and Updating gcc and glib	371	(8)
Purpose	371	(1)
Theory	372	(1)
Lab Exercises	373	(3)
Questions	376	(1)
Answers	376	(1)
Advanced Questions	377	(2)
Lab XIV Process Priority	379	(6)
Purpose	379	(1)
Theory	379	(3)
Lab Exercises	382	(1)
Questions	383	(1)
Answers	383	(1)
Advanced Questions	383	(2)
Lab XV System Performance	385	(8)
Purpose	385	(1)
Theory	386	(1)
Lab Exercises	386	(4)
Questions	390	(1)
Answers	390	(1)
Advanced Questions	390	(3)
Lab XVI Log Files	393	(4)
Purpose	393	(1)
Theory	393	(2)
Lab Exercises	395	(1)
Questions	396	(1)
Answers	396	(1)
Lab XVII Sendmail	397	(8)
Purpose	397	(1)
Theory	397	(4)
Lab Exercises	401	(1)
Questions	402	(1)
Answers	403	(1)
Advanced Questions	403	(2)
Lab XVIII Apache	405	(6)
Purpose	405	(1)
Theory	405	(4)
Lab Exercises	409	(1)
Questions	409	(1)
Answers	410	(1)
Advanced Questions	410	(1)
Lab XIX VNC and Windows	411	(8)
Purpose	411	(1)
Theory	411	(5)
Lab Exercises	416	(1)
Questions	417	(1)
Answers	417	(1)
Advanced Questions	417	(2)
Lab XX Creating Default User Configurations	419	(6)
Purpose	419	(1)
System Information	419	(1)
Theory	420	(1)
Lab Exercises	420	(3)
Questions	423	(1)
Answers	423	(1)
Advanced Questions	423	(2)
Lab XXI Benchmarking	425	(6)
Purpose	425	(1)
Theory	426	(1)
Lab Exercises	426	(2)
Questions	428	(1)
Answers	429	(1)
Advanced Questions	430	(1)
Lab XXII Process Accounting with lastcomm	431	(6)
Purpose	431	(1)
Theory	432	(1)
Lab Exercise	433	(2)
Questions	435	(1)
Answers	435	(1)
Advanced Questions	435	(2)
Lab XXIII Installing Quotas	437	(6)
Purpose	437	(1)
Theory	437	(3)
Lab Exercises	440	(1)
Questions	441	(1)
Answers	441	(1)
Advanced Questions	442	(1)
Lab XXIV dot Directories	443	(4)
Purpose	443	(1)
Theory	443	(1)
Exercises	444	(1)
Questions	445	(1)
Answers	445	(1)
Advanced Questions	445	(2)
Part Three Practice Questions and Answers	447	(2)
Practice Questions	449	(22)
Answers	471	(6)
Glossary	477	(8)
Index	485