You can find out a lot about your network by using a variety of different tools. Understanding the layout of your network, and where packets are going, and what people are doing is important. This tutorial examines techniques for monitoring the traffic and content of your UNIX network and how to read and diagnose problems on your network.
Knee Deep in UNIX Network Analysis
2009-05-11 Unix 4 Comments
If you’ve ever wondered why when you’ve typed ‘ifconfig’ recently you don’t get all of your IP addresses for an interface up amongst other things that is because it has been largely unmaintained and deprecated by ‘ip’. To do that you would do ‘ip addr show’.
‘ip’ is a bit of a Swiss army knife of a network command and an up to date overview of that would have been better.