 March
2004 • Volume 13 • Number 3
Features
NetBackup Performance Reports with MySQL/Perl
• Jerry Uanino
This article describes a technique for monitoring the performance of a Veritas
Netbackup Datacenter system. Although this technique is specific to NetBackup,
the concepts can be applied to any backup system.
Web Polygraph • Mihalis Tsoukalos
Tsoukalos provides an introduction to Web Polygraph, a freely available benchmarking
tool for caching proxies, origin server accelerators, content filters, and other
Web intermediaries.
Python in Systems Administration: Part IV — Python Makes GUIs
• Cameron Laird
In Part IV of this series, Laird focuses on Python-based GUIs.
Monitoring News Service from the Client’s View
• Ralf Van Dooren
Van Dooren describes a way of monitoring news service with a tool that behaves
like a customer and can therefore provide insight as to how users are experiencing
the service.
Linux Memory Forensics • Michael Ford
Most Unix operating systems provide a facility for saving the system memory
for analysis after a crash, and this same facility can be used to analyze the
memory after an intrusion or attack. Ford explains.
Extracting Symmetrix Data with Orca • Tom Kranz
Orca is an open source package that uses RRDTool to plot arbitrary data from
text files. In this article, Kranz shows how to use EMC’s command-line
tools along with Orca to plot performance statistics for your Symmetrix.
Evaluating Conditional Expressions with Functions •
Ed Schaefer
Schaefer explains how to implement shell conditional expressions using the
test command or brackets and provides some real-world examples.
Monitoring Log Entries with Logbot • Robert Hayes
Hayes describes Logbot, a Perl script that takes output from log monitoring
software and sends it to a conference room on a Jabber server. Logbot is useful
for monitoring medium- to high-volume log entries that would otherwise incur
a heavy load.
Logsurfer+ • Kerry Thompson
Thompson examines a version of Logsurfer, called Logsurfer+, that can monitor
log files in real-time and intelligently send alerts when anomalies occur.
Columns
Monitoring Net Traffic with OpenBSD’s Packet
Filter • Randal L. Schwartz
Questions and Answers •
Amy Rich
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