EtherApe is a free open source network traffic monitoring tool for Linux. This packet sniffer application provides a graphical view of network activity. With this tool, you can filter traffic, read packets from files, and live stream from your network. It is released under the GNU General Public License. It comes with a link layer, IP and TCP modes, and a flashy color-coded protocol display. It is a fork of the popular Etherman app. Supports Ethernet, FDDI, Token Ring, ISDN, PPP, SLIP, and WLAN devices.
Install EtherApe on Ubuntu
EtherApe is available from the default Ubuntu repository. Open the terminal command line software and run the following commands one at a time. The latest version of EtherApe will be installed on your system.
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sudo apt update
sudo apt install etherape
After installation, you can run this application using the following command: