Sair Linux and Gnu Certification: Level II : Apache and Web Servers

by Sullivan, Cary

• ISBN13: 9780471405375
• ISBN10: 047140537X
• Format: Paperback
• Copyright: 2001-09-01
• Publisher: John Wiley & Sons Inc

Summary

Managing and troubleshooting Web servers is an integral part of every IT professional2s job. Apache is an open source Web server that has captured 63% of the more than 18 million Web servers currently in place. This guide provides the in-depth information, skills, and techniques needed to effectively maintain an Apache Web server. With Linux growing rapidly in popularity as an enterprise solution, companies now more than ever are looking for IT professionals who are Linux certified. Designed and developed by the industry-leading members of Sair, Inc. and its advisory board, the Sair Linux and GNU Certification program provides IT professionals with a clear path for improving their Linux skills and knowledge base, while giving employers the means for ensuring the competency level of their staff. The LCE books in this series of study guides help readers master the areas of expertise necessary to pass the certification exam for becoming a Linux Certified Engineer (LCE). Readers will also get prep help through lab exercises and sample questions from the LCE exam.

Table of Contents

Acknowledgments	xi
Introduction	xiii
Part One Knowledge Matrix	1	(192)
Installation and Configuration	3	(52)
Objectives	3	(1)
Theory of Operations	3	(15)
History of Apache	4	(1)
Apache Today	5	(1)
How Does Apache Work?	5	(5)
How to Obtain Apache	10	(1)
Overview of Content Negotiation	11	(7)
Base Systems	18	(16)
Preparing Linux	18	(3)
Introduction to Packages	21	(8)
Installation	29	(5)
System Utilities	34	(21)
The httpd Daemon	34	(11)
Setting Up Apache	45	(10)
System Administration	55	(56)
Objectives	55	(1)
Theory of Operation	56	(28)
Being a Webmaster	56	(2)
Preparing Apache	58	(5)
Introduction to Virtual Hosting	63	(1)
Introduction to Apache Modules	64	(12)
Introduction to the Apache API	76	(7)
Introduction to Logging	83	(1)
Base Systems	84	(14)
Multiple Daemons	84	(1)
Configuration	85	(3)
Number of httpd Processes	88	(1)
Alias	89	(1)
CGI Scripts	89	(1)
How to Configure CGI	90	(1)
Apache Initialization	91	(2)
Log Files	93	(2)
Log File Formats	95	(3)
Shells and Commands	98	(2)
Benchmarking	98	(2)
System Utilities	100	(11)
Creating CGI Scripts	100	(7)
Performance Monitoring	107	(2)
Some Good Log Analysis Tools	109	(2)
Networking	111	(22)
Objectives	111	(1)
Theory of Operation	111	(5)
What Is TCP/IP and How Does Apache Use It?	112	(1)
What Is HTTP?	113	(2)
Multiple Hosts	115	(1)
Base Systems	116	(9)
Virtual Hosting	117	(1)
Directing the Request to a Virtual Host	118	(1)
Single Daemon/Virtual Hosting	118	(1)
IP-Based Virtual Hosting	119	(3)
Name-Based Virtual Hosting	122	(3)
Shells and Commands	125	(8)
URL Rewriting mod_rewrite	125	(8)
Security	133	(54)
Objectives	133	(1)
Theory of Operation	133	(1)
Security Concerns	134	(1)
Security Policies	134	(20)
Authentication	136	(1)
Securing Apache	137	(1)
Vulnerabilities	138	(1)
Hostile Programs	139	(3)
Security Issues with CGI	142	(1)
The Apache Proxy Server	143	(3)
Firewalls	146	(7)
Password Protection	153	(1)
Base Systems	154	(20)
Apache, Users, and Groups	154	(1)
Permissions	155	(1)
Access Control	156	(3)
Setting Up the Apache Proxy	159	(5)
Security Fundamentals	164	(3)
User Access Control	167	(3)
Enabling Content from Home Directories	170	(2)
Access Directives	172	(1)
Defining within httpd.conf	173	(1)
Shells and Commands	174	(3)
Checksums	174	(2)
Password Authentication	176	(1)
System Utilities	177	(10)
Server-Side Includes	177	(2)
XSSI	179	(4)
ModSSL Versus Apache+SSL	183	(4)
Troubleshooting	187	(6)
Objectives	187	(1)
Online Troubleshooting Resources	187	(1)
Tracking Down an Apache Core Dump	188	(1)
Some Useful Sites	189	(1)
Configuration Issues	190	(1)
Logging Problems	190	(3)
Part Two Labs and Exercises	193	(56)
Installation	195	(6)
Purpose	195	(1)
Theory	195	(1)
Lab Exercises	196	(3)
Downloading Modules	196	(1)
Preinstallation Query	197	(1)
Package Installation	198	(1)
Basic Server Setup	198	(1)
Questions	199	(1)
Answers	200	(1)
Advanced Questions	200	(1)
Install Apache+SSL	201	(6)
Purpose	201	(1)
Theory	201	(1)
Lab Exercises	202	(3)
Downloading the Apache server	202	(1)
Compile Apache with mod_ssl Support	203	(1)
Verify That Apache Was Compiled with mod_ssl	204	(1)
Test the Sample Page in a Web Browser	205	(1)
Questions	205	(1)
Answers	206	(1)
Advanced Questions	206	(1)
Configuring Apache to Perform Common Tasks	207	(6)
Purpose	207	(1)
Theory	207	(3)
Lab Exercises	210	(1)
Questions	210	(1)
Answers	211	(1)
Advanced Questions	211	(2)
Create a Simple CGI Script	213	(4)
Purpose	213	(1)
Theory	213	(1)
Lab Exercises	214	(1)
Create a Basic CGI Script	214	(1)
Questions	215	(1)
Answers	216	(1)
Advanced Questions	216	(1)
Configure and Run mod_auth_mysql	217	(6)
Purpose	217	(1)
Theory	217	(1)
Setting Up the MySQL Database	218	(1)
Setting Up Apache	218	(1)
Lab Exercises	218	(3)
Student Resources	221	(1)
Questions	221	(1)
Answers	221	(1)
Advanced Questions	221	(2)
Apache and Tomcat	223	(4)
Purpose	223	(1)
Theory	223	(1)
Lab Exercises	224	(1)
Questions	225	(1)
Answers	225	(1)
Advanced Questions	225	(2)
Configuration of a Proxy	227	(6)
Purpose	227	(1)
Theory	227	(2)
Installing mod_proxy	228	(1)
Configuring httpd	228	(1)
Configuring the Client	229	(1)
Lab Exercises	229	(1)
Installing mod_proxy	229	(1)
Configuring httpd	229	(1)
Configuring the Client	230	(1)
Questions	230	(1)
Answers	231	(1)
Advanced Questions	231	(2)
URL Rewriting	233	(6)
Purpose	233	(1)
Theory	233	(3)
Lab Exercises	236	(1)
Questions	237	(1)
Answers	237	(1)
Advanced Questions	237	(2)
Create a Custom Log for Apache	239	(4)
Purpose	239	(1)
Theory	239	(2)
Lab Exercises	241	(1)
Questions	242	(1)
Answers	242	(1)
Advanced Questions	242	(1)
Benchmark Your Server	243	(6)
Purpose	243	(1)
Theory	243	(2)
Lab Exercises	245	(2)
Questions	247	(1)
Answers	247	(1)
Advanced Questions	247	(2)
Part Three Practice Questions and Answers	249	(2)
Practice Questions	251	(22)
Answers	273	(8)
Glossary	281	(9)
Index	290