60.29 Network Debugging
Useful tools include ethereal which is a graphical interface to the same output you might get from tcpdump. A typical usage of tcpdump is:
# tcpdump -l -i eth0
-l will ensure each newly generated line will be output
immediately (rather than cached). The
-i identifies the
interface to monitor.
The pktstat package provides terminal top-like view of
network connections. This is useful to provide an instantaneous
summary of network conenctions. The
-F option will expand
hostnames, rather than listing just the first part of a hostname
(without the domain name).
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