ib_write_bw command not found
Introduction
When you run more command in linux terminal / console, you get the following error message
ib_write_bw: command not found
or when using sudo you get the following error message
sudo: ib_write_bw: command not found
Solutions to ib_write_bw: command not found
How To Fix ib_write_bw: command not found in Ubuntu / Debian / Kali Linux / Raspbian
In Ubuntu ib_write_bw is provided by perftest package.
perftest is:
This is a collection of tests written using Infiniband verbs intended for use as a performance micro-benchmark. The tests can measure the latency and bandwidth of Infiniband fabrics.
To fix this problem, we can install more using the command below.
sudo apt-get -y install perftest
This command might take some time to finish depending on your machine internet connection.
You can also use apt command to install perftest.
sudo apt -y install perftest
Or if you have aptitude installed you can use the following command.
sudo aptitude install perftest
Summary
In this tutorial we learn how to fix ib_write_bw command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.