mcfirst command not found

Introduction

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

mcfirst: command not found

or when using sudo you get the following error message

sudo: mcfirst: command not found

Solutions to mcfirst: command not found

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

In Ubuntu mcfirst is provided by ssmping package.

ssmping is:

Tools to check whether you can receive Source Specific Multicast (SSM) or Any Source Multicast (ASM) via either IPv4 or IPv6

If a host runs ssmpingd, users on other hosts can use the ssmping client to test whether they can receive SSM from the host. Another program called asmping is also provided to check whether can receive ASM.

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

sudo apt-get -y install ssmping

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

You can also use apt command to install ssmping.

sudo apt -y install ssmping

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

sudo aptitude install ssmping

Summary

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