Repost: NetHogs – Monitor Per Process Network Bandwidth Usage in Real Time

NetHogs Command Line Options

Following are the nethogs command line options. Using ‘-d‘ to add a refresh rate and ‘device name‘ to monitor specific given device or devices bandwidth (default is eth0). For example, to set 5 seconds as your refresh rate, then type the command as.

# nethogs -d 5
$ sudo nethogs -d 5

To monitor specific device (eth0) network bandwidth only, use the command as.

# nethogs eth0
$ sudo nethogs eth0

To monitor network bandwidth of both eth0 and eth1 interfaces, type the following command.

# nethogs eth0 eth1
$ sudo nethogs eth0 eth1

Other Options and Usage

-d : delay for refresh rate.
-h : display available commands usage.
-p : sniff in promiscious mode (not recommended).
-t : tracemode.
-V : prints Version info.

NetHogs Interactive Controls

Following are some useful interactive controls (Keyboard Shortcuts) of nethogs program.

-m : Change the units displayed for the bandwidth in units like KB/sec -> KB -> B-> MB.
-r : Sort by magnitude of respectively traffic.
-s : Sort by magnitude of sent traffic.
-q : Hit quit to the shell prompt.

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