How to Install tcpdump in Linux
Many of Linux distributions already shipped with tcpdump tool, if in case you don’t have it on systems, you can install it using following Yum command.
# yum install tcpdump
Once tcpdump tool is installed on systems, you can continue to browse following commands with their examples.
1. Capture Packets from Specific Interface
The command screen will scroll up until you interrupt and when we execute tcpdump command it will captures from all the interfaces, however with -i switch only capture from desire interface.
# tcpdump -i eth0