What is iftop used for?

iftop is used to view the current bandwidth on a network interface. It listens to network traffic on a named interface and displays a table of current bandwidth usage by pairs of hosts. iftop must be run by a root user or a user who has sufficient privileges to monitor network bandwidths.

What are the columns in iftop?

At the bottom edge, iftop shows the transmitted TX, received RX, and TOTAL data transfers. The second column shows the cumulative values over the observed period. The three columns on the right show the cumulative progress in the previous 2, 10, and 40 seconds. Iftop doesn’t have a lot of bells and whistles.

What is NetHogs?

NetHogs is an open-source command-line program (similar to Linux top command) that is used to monitor real-time network traffic bandwidth used by each process or application in Linux. From NetHogs Project Page. NetHogs is a small ‘net top’ tool.

How do I track network traffic in Linux?

Best Tools to Monitor Network Bandwidth on a Linux Server

  1. iftop Display Bandwidth Usage.
  2. nload Displays Network Usage.
  3. NetHogs Monitor Network Traffic Bandwidth.
  4. bmon Bandwidth Monitor and Rate Estimator.
  5. vnStat Network Traffic Monitor.
  6. iPerf/iPerf3 Network Bandwidth Measurement Tool.

How do I find my network utilization on Linux?

17 Useful Bandwidth Monitoring Tools to Analyze Network Usage in…

  1. Site24x7’s NetFlow Analyzer.
  2. ManageEngine Netflow Analyzer.
  3. Vnstat Network Traffic Monitor Tool.
  4. Iftop Display Bandwidth Usage.
  5. nload – Monitor Network Usage.
  6. NetHogs – Monitor Network Usage Per User.
  7. Bmon – Bandwidth Monitor and Rate Estimator.

How do you use Nload?

How to Use nload to Monitor Linux Network Usage

  1. Use left and right arrow keys or Enter/Tab key to switch the display to the next network device or when started with the -m flag, to the next page of devices.
  2. Use F2 to show the option window.
  3. Use F5 to save current settings to the user’s config file.

How do I use vnStat?

How to Monitor and Log Network Traffic on Linux Using vnStat

  1. Install vnStat.
  2. Pick a Interface to Monitor using vnStat.
  3. vnStat Basic Usage.
  4. vnStat hours, days, months, weeks Network Data.
  5. Export the data to Excel or other DB.
  6. Display Live Network Statistics.
  7. Change the default vnstat output format.
  8. Display Top 10 Traffic Days.