Angelo
Angelo
I am Angelo. A systems engineer passionate about Linux and all open-source software. Although here I'm just another member of the family.

Getting real-time network statistics using iptraf-ng

Hello, friends. In this post, you will learn how to analyze network traffic in real-time thanks to iptraf-ng. Let’s go.

iptraf-ng is a console-based network statistic monitoring utility. Thanks to it, you will be able to get useful information from the network. It should be noted that, iptraf-ng is a fork of iptraf and is present in many Linux distributions. The ncurses text-based user interface makes it easy to configure and to use this tool.

It returns such information as:

  • Current TCP connections
  • UDP, ICMP, OSPF, and other types of IP packets
  • Packet and byte counts on TCP connections
  • IP, TCP, UDP, ICMP, non-IP, and other packet and byte counts
  • TCP/UDP counts by ports
  • Packet counts by packet sizes

IPTraf-ng works on Ethernet, FDDI, PLIP, loopback, and SLIP/PPP interfaces. Also supports GRE-over-IP tunnels, 802.1ad and QinQ VLAN, and SIT tunnels.

It is simple to use and manipulate, let’s go for it.

Installing iptraf-ng on Linux

iptraf-ng is present in many Linux distributions. Thanks to its official repositories, this tool can be installed without too many problems.

So, open a terminal or connect via SSH and update your distribution

sudo apt update && sudo apt upgrade
# or
sudo dnf update
# or
sudo zypper up
# or
sudo pacman -Syu

And then you can install it from the official repositories. In the case of Debian, Ubuntu and derivatives.

sudo apt install iptraf-ng
Install iptraf-ng on Linux
Install iptraf-ng on Linux

And with this, we will have it installed.

Using iptraf-ng on Linux

To use it, just run its command with root privileges.

sudo iptraf-ng

You will see a screen like this

iptraf-ng main menu
Main menu

There you will be able to choose the execution mode. For example, you can choose the first option to monitor the network traffic

Interfaces to listen
Interfaces to listen

Finally, you will see the report.

Using Iptraf-ng
Report

Conclusion

The network is an important issue to consider when using an operating system on a server. So, these tools come to the aid of all sysadmins.

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