6

I am looking for a free program that can display the live network throughput per process in the Linux shell. As far as I know:

  • ifconfig only lists interfaces and doesn't display the live network throughput:

    eth0   Link encap:Ethernet  HWaddr 00:0F:20:CF:8B:42
           inet addr:217.149.127.10  Bcast:217.149.127.63  Mask:255.255.255.192
           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
           RX packets:2472694671 errors:1 dropped:0 overruns:0 frame:0
           TX packets:44641779 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:1761467179 (1679.7 Mb)  TX bytes:2870928587 (2737.9 Mb)
           Interrupt:28
    
  • slurm only lists interfaces:

    slurm screenshot

  • bmon only lists interfaces:

    bmon screenshot

  • tcptrack shows every connection:

    tcptrack screenshot

  • iftop does not display throughput per process:

    iftop screenshot

9

You can use NetHogs:

  • free
  • install with sudo apt-get install -y nethogs
  • runs in the terminal
  • display the live network throughput per PID:

    NetHogs screenshot

Note that for NFS/AFS traffic you will see ? as PID:

NetHogs screenshot: listing NFS traffic under "?"

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