Go to TogaWare.com Home Page. GNU/Linux Desktop Survival Guide
by Graham Williams
Duck Duck Go

Network Debugging


Useful tools include https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=etherealethereal which is a graphical interface to the same output you might get from https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=tcpdumptcpdump. A typical usage of tcpdump is:

  # tcpdump -l -i eth0

The -l will ensure each newly generated line will be output immediately (rather than cached). The -i identifies the interface to monitor.

The https://packages.debian.org/search?suite=default&section=all&arch=any&searchon=names&keywords=pktstatpktstat 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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