Mastering Unix Shell Scripting

RANDAL K. MICHAEL is a Unix Systems Administrator at Coca-Cola Enterprises, Inc., where he writes shell scripts to address complex monitoring and event notification issues. He has more than 23 years of industry experience and 10 years of experience as a Unix Systems Administrator, working with Solaris, Linux, AIX, and HP-UX.

Acknowledgments.Introduction.Scripting Quick Start and Review.Twelve Ways to Process a File Line by Line.Automated Event Notification.Progress Indicator Using a Series of Dots, a Rotating Line, or a Countdown to Zero.File System Monitoring.Monitoring Paging and Swap Space.Monitoring System Load.Process Monitoring and Enabling Preprocess, Startup, and Postprocess Events.Monitoring Processes and Applications.Creating Pseudo-Random Passwords.Monitor for Stale Disk Partitions.Automated Hosts Pinging with Notification.Taking a System SnapshotCompiling, Installing, Configuring, and Using sudo.hgrep: Highlighted grep Script.Print Queue Hell: Keeping the Printers Printing.Automated FTP Stuff.Finding "Large" Files.Monitoring and Auditing User Key Strokes.Turning On/Off SSA Identification Lights.Pseudo-Random Number Generation.Floating-Point Math and the bc Utility.Scripts for Number Base Conversions.Menu Program Suitable for Operations Staff.Sending Pop-Up Messages from Unix to Windows.Appendix A: What's on the Web Site.Index.