If tcpdump is not installed, you can install it but using your distribution's package manager. For example, on CentOS or Red Hat Enterprise Linux, like this: $ sudo dnf install -y tcpdump Check whether tcpdump is installed on your system with the following command: $ which tcpdump Tcpdump is included with several Linux distributions, so chances are, you already have it installed. ![]() In this article, we'll look at some of tcpdump's most common features. It can also be launched in the background or as a scheduled job using tools like cron. Since it's a command line tool, it is ideal to run in remote servers or devices for which a GUI is not available, to collect data that can be analyzed later. It is often used to help troubleshoot network issues, as well as a security tool.Ī powerful and versatile tool that includes many options and filters, tcpdump can be used in a variety of cases. ![]() Tcpdump is a command line utility that allows you to capture and analyze network traffic going through your system. 10 command-line tools for data analysis in Linux.
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