There is nothing surprising about the output given our setup. When considering the client server model that most networking software is based on, listening processes can be thought of as software that is in “server” mode. On Red Hat Enterprise Linux and Red Hat based systems, use yum, # yum install net-tools On Debian and Debian based systems such as Ubuntu, use apt. We will be using it to accomplish the former. Netstat is a powerful utility that can print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships. $ – requires given linux commands to be executed as a regular non-privileged user # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command Privileged access to your Linux system as root or via the sudo command. Netstat, lsof, ifconfig, wireshark, tcpdump

Requirements, Conventions or Software Version Used How to monitor network activity on a Linux system Software requirements and conventions used Software Requirements and Linux Command Line Conventions Category

Linux network monitoring tools