What is iftop command in Linux?

“iftop” is a network monitoring command in Linux that displays real-time information about your network bandwidth usage. This command can easily be installed on any Linux distribution and can be used very conveniently.

What is iotop in Linux?

Iotop is an open source and free utility similar to top command, that provides an easy way to monitor Linux Disk I/O usage details and prints a table of existing I/O utilization by process or threads on the systems.

How do you read an iftop output?

Just type the iftop command on terminal with root privileges to display the bandwidth usage of the first network interface. Press Q to exit from the iftop command output. To view the source and destination listening ports, just press SHIFT+S and SHIFT+D.

Which package provides iotop?

iotop is available in the official package repository of Ubuntu. So, you can easily download iotop using the APT package manager. iotop should be installed.

How do I turn off Iotop?

Press the q to quit iotop.

How do I sort Iotop?

Sort Columns in Iotop

  1. Hit the left and right arrow keys to change the sorting.
  2. Hit r to reverse the sorting order.
  3. Hit o only to see processes or threads actually doing I/O, instead of showing all processes or threads.
  4. Hit p only show processes.
  5. Hit a display accumulated I/O instead of bandwidth.

How install iftop command in Linux?

Download and Install iftop Iftop is available in the official software repositories of Debian/Ubuntu Linux, you can install it using apt command as shown. On RHEL/CentOS, you need to enable the EPEL repository, and then install it as follows.

How do I use Vnstat?

Display Live Network Statistics Use “vnstat -l” or “vnstat –live” to display the live network statistic information. After you press Ctrl-C to stop it, vnstat will display a summary for the time period the live monitor was running.

How install Iotop Linux?

Installing Iotop in RHEL, CentOS and Fedora

  1. Step 1: Installing Iotop Pre-requisites. As I already said above that Iotop requires latest Kernel 2.6.
  2. Step 2: Installing Iotop. To install iotop use the following yum command to install it on RHEL, CentOS and Fedora.
  3. Step 3: Running Iotop.
  4. Example Output.
  5. Step 4: Iotop Usage.

What is Iotop io?

The iotop is a Linux command. It is a top-like utility for disk input and output (I/O). Use this command to see I/O usage information output by the Linux kernel. It displays a table of current I/O usage by Linux processes or threads on the Linux system.