This section includes various resources that can be used to learn
more about resource monitoring and the Red Hat Enterprise Linux-specific subject matter
discussed in this chapter.
The following resources are installed in the course of a typical
Red Hat Enterprise Linux installation and can help you learn more about the subject
matter discussed in this chapter.
free(1) man page — Learn how to
display free and used memory statistics.
vmstat(8) man page — Learn how to
display a concise overview of process, memory, swap, I/O, system,
and CPU utilization.
sar(1) man page — Learn how to
produce system resource utilization reports.
sa2(8) man page — Learn how to
produce daily system resource utilization report files.
https://www.linuxjournal.com/article.php?sid=2396
— Performance Monitoring Tools for Linux. This Linux Journal
page is geared more toward the administrator interested in writing
a customized performance graphing solution. Written several years
ago, some of the details may no longer apply, but the overall
concept and execution are sound.
The following books discuss various issues related to resource
monitoring, and are good resources for Red Hat Enterprise Linux system
administrators:
The Red Hat Enterprise Linux System Administration Guide; Red Hat, Inc. —
Includes a chapter on many of the resource monitoring tools
described here.
Linux Performance Tuning and Capacity
Planning by Jason R. Fink and Matthew D. Sherer;
Sams — Provides more in-depth overviews of the resource
monitoring tools presented here and includes others that might
be appropriate for more specific resource monitoring
needs.
Red Hat Linux Security and Optimization
by Mohammed J. Kabir; Red Hat Press — Approximately the
first 150 pages of this book discuss performance-related issues.
This includes chapters dedicated to performance issues specific to
network, Web, email, and file servers.
Linux Administration Handbook by Evi
Nemeth, Garth Snyder, and Trent R. Hein; Prentice Hall —
Provides a short chapter similar in scope to this book, but
includes an interesting section on diagnosing a system that has
suddenly slowed down.
Linux System Administration: A User's
Guide by Marcel Gagne; Addison Wesley Professional
— Contains a small chapter on performance monitoring and
tuning.
Essential System Administration (3rd
Edition) by Aeleen Frisch; O'Reilly & Associates — The
chapter on managing system resources contains good overall
information, with some Linux specifics included.
System Performance Tuning (2nd Edition)
by Gian-Paolo D. Musumeci and Mike Loukides; O'Reilly & Associates
— Although heavily oriented toward more traditional UNIX
implementations, there are many Linux-specific references throughout
the book.
