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Combine Ruby, Ajax and bash with CGI scripts to monitor server-bound processes.

It's a simple job to do a cron job.

How to federate CLucene personal document indexes with PostgreSQL/TSearch2.

Connecting thin clients to Linux.

Understanding work-load averages as opposed to CPU usage.

This “how we did it” story includes valuable tips for building an intranet that integrates enterprise services in a user-friendly way.

If you want an agent to monitor and control services, you'll need to get SMART.

Chapter 4 - from the book Nagios: System and Network Monitoring by Wolfgang Barth -- Reprinted by permission from No Starch Press and Open Source Press.  Available at booksellers now.  Full book details are at the bottom of the article.

If you're familiar with network analysis tools but still haven't taken Ethereal for a spin, here's a quick look at what it can do.

Resources for the print article.