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Linux Desktop Hacks
book

Linux Desktop Hacks

by Nicholas Petreley, Jono Bacon
March 2005
Beginner to intermediate content levelBeginner to intermediate
342 pages
15h 55m
English
O'Reilly Media, Inc.
Content preview from Linux Desktop Hacks
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Chapter 9, Administration and Automation
#82 Link Monitoring in Linux with Wavemon
HACK
HACK
#82
Link Monitoring in Linux with Wavemon Hack #82
Monitor radio parameters in real time using Wavemon, a curses-based tool
for Linux.
When using Linux, the standard wireless tools provide a wealth of status
information. These tools get their information from the standard kernel
interface /proc/net/wireless. While ideal for providing pinpoint accuracy in
measuring signal strength and noise data, these tools are not designed to
give an indication of performance over time.
Wavemon (http://www.wavemage.com/projects.html) is a terrific little tool
that does precisely this. It polls /proc/net/wireless many times each second to
give you a rolling report of how your wireless connection is performing. Its
simple curses interface keeps the code quite small and is ideal for including
in embedded distributions to get real-time link data from remote access
points.
The main interface provides a nice graphical representation of the current
link state (Figure 9-3).
All of the statistics are updated in real time, making it ideal for monitoring
point-to-point links and fine-tuning antennas on long distance shots. For an
even easier to read display, hit F2 to bring up the Level Histogram
(Figure 9-4).
Figure 9-3. Wavemon in action.
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Publisher Resources

ISBN: 0596009119Supplemental ContentCatalog PageErrata