Automating System Administration with Perl

Dedication; Preface; What's New in This Edition?; How This Book Is Structured; Typographical Conventions; Operating System Naming Conventions; Coding Conventions; Using Code Examples; How to Contact Us; Safari® Books Online; Acknowledgments from the First Edition; Acknowledgments for the Second Edition; Chapter 1: Introduction; 1.1 Automation Is a Must; 1.2 How Perl Can Help You; 1.3 This Book Will Show You How; 1.4 What You Need; 1.5 Some Notes About the Perl Versions Used for This Book; 1.6 Some Notes About Using Vista with the Code in This Book; 1.7 Locating and Installing Modules; 1.8 It's Not Easy Being Omnipotent; 1.9 References for More Information; Chapter 2: Filesystems; 2.1 Perl to the Rescue; 2.2 Filesystem Differences; 2.3 Walking or Traversing the Filesystem by Hand; 2.4 Walking the Filesystem Using the File::Find Module; 2.5 Walking the Filesystem Using the File::Find::Rule Module; 2.6 Manipulating Disk Quotas; 2.7 Editing NTFS Quotas Under Windows; 2.8 Querying Filesystem Usage; 2.9 Module Information for This Chapter; 2.10 References for More Information; Chapter 3: User Accounts; 3.1 Unix User Identities; 3.2 Windows-Based Operating System User Identities; 3.3 Building an Account System to Manage Users; 3.4 Module Information for This Chapter; 3.5 References for More Information; Chapter 4: User Activity; 4.1 Process Management; 4.2 File and Network Operations; 4.3 Module Information for This Chapter; 4.4 References for More Information; Chapter 5: TCP/IP Name and Configuration Services; 5.1 Host Files; 5.2 NIS, NIS+, and WINS; 5.3 Domain Name Service (DNS); 5.4 DHCP; 5.5 Module Information for This Chapter; 5.6 References for More Information; Chapter 6: Working with Configuration Files; 6.1 Configuration File Formats; 6.2 All-in-One Modules; 6.3 Advanced Configuration Storage Mechanisms; 6.4 Module Information for This Chapter; 6.5 References for More Information; Chapter 7: SQL Database Administration; 7.1 Interacting with a SQL Server from Perl; 7.2 Using the DBI Framework; 7.3 Using ODBC from Within DBI; 7.4 Server Documentation; 7.5 Database Logins; 7.6 Monitoring Space Usage on a Database Server; 7.7 Module Information for This Chapter; 7.8 References for More Information; Chapter 8: Email; 8.1 Sending Mail; 8.2 Common Mistakes in Sending Email; 8.3 Fetching Mail; 8.4 Processing Mail; 8.5 Module Information for This Chapter; 8.6 References for More Information; Chapter 9: Directory Services; 9.1 What's a Directory?; 9.2 Finger: A Simple Directory Service; 9.3 The WHOIS Directory Service; 9.4 LDAP: A Sophisticated Directory Service; 9.5 Active Directory Service Interfaces; 9.6 Module Information for This Chapter; 9.7 References for More Information; Chapter 10: Log Files; 10.1 Reading Text Logs; 10.2 Reading Binary Log Files; 10.3 Structure of Log File Data; 10.4 Dealing with Log File Information; 10.5 Writing Your Own Log Files; 10.6 Module Information for This Chapter; 10.7 References for More Information; Chapter 11: Security; 11.1 Noticing Unexpected or Unauthorized Changes; 11.2 Noticing Suspicious Activities; 11.3 Danger on the Wire, or "Perl Saves the Day"; 11.4 Preventing Suspicious Activities; 11.5 Module Information for This Chapter; 11.6 References for More Information; Chapter 12: SNMP; 12.1 Using SNMP from Perl; 12.2 Module Information for This Chapter; 12.3 References for More Information; Chapter 13: Network Mapping and Monitoring; 13.1 Network Mapping; 13.2 Presenting the Information; 13.3 Monitoring Frameworks; 13.4 What's Left?; 13.5 Module Information for This Chapter; 13.6 References for More Information; Chapter 14: Experiential Learning; 14.1 Playing with Timelines; 14.2 Playing with Geocoding; 14.3 Playing with an MP3 Collection; 14.4 One Final Exploration; 14.5 Remember to Play; 14.6 Module Information for This Chapter; 14.7 Source Material for This Chapter; The Eight-Minute XML Tutorial; XML Is a Markup Language; XML Is Picky; Two Key XML Terms; Leftovers; References for More Information; The 10-Minute XPath Tutorial; XPath Basic Concepts; References for More Information; The 10-Minute LDAP Tutorial; LDAP Data Organization; The 15-Minute SQL Tutorial; Creating/Deleting Databases and Tables; Inserting Data into a Table; Querying Information; Changing Table Information; Relating Tables to Each Other; SQL Stragglers; The Five-Minute RCS Tutorial; References for More Information; The Two-Minute VBScript-to-Perl Tutorial; Translation Tactics; References for More Information; The 20-Minute SNMP Tutorial; SNMP in Practice; Colophon;