papi_version command not found

Introduction

When you run more command in linux terminal / console, you get the following error message

papi_version: command not found

or when using sudo you get the following error message

sudo: papi_version: command not found

Solutions to papi_version: command not found

How To Fix papi_version: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu papi_version is provided by papi-tools package.

papi-tools is:

Performance Application Programming Interface (PAPI) provides the tool designer and application engineer with a consistent interface and methodology for use of the performance counter hardware found in most major microprocessors. PAPI enables software engineers to see, in near real time, the relation between software performance and processor events.

In addition Component PAPI provides access to a collection of components that expose performance measurement opportunites across the hardware and software stack.

This package provides utilities provided by the PAPI software.

To fix this problem, we can install more using the command below.

sudo apt-get -y install papi-tools

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install papi-tools.

sudo apt -y install papi-tools

Or if you have aptitude installed you can use the following command.

sudo aptitude install papi-tools

Summary

In this tutorial we learn how to fix papi_version command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.