knsec3hash command not found

Introduction

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

knsec3hash: command not found

or when using sudo you get the following error message

sudo: knsec3hash: command not found

Solutions to knsec3hash: command not found

How To Fix knsec3hash: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu knsec3hash is provided by knot package.

knot is:

Knot DNS is a fast, authoritative only, high performance, feature full and open source name server.

Knot DNS is developed by CZ.NIC Labs, the R&D department of .CZ registry and hence is well suited to run anything from the root zone, the top-level domain, to many smaller standard domain names.

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

sudo apt-get -y install knot

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

You can also use apt command to install knot.

sudo apt -y install knot

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

sudo aptitude install knot

Summary

In this tutorial we learn how to fix knsec3hash command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.