cfssl command not found

In this troubleshooting guide we learn how to fix cfssl command not found error message

Introduction

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

cfssl: command not found

or when using sudo you get the following error message

sudo: cfssl: command not found

Solutions to cfssl: command not found

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

In Ubuntu cfssl is provided by golang-cfssl package.

golang-cfssl is:

CFSSL is CloudFlare’s PKI/TLS swiss army knife. It is both a command line tool and an HTTP API server for signing, verifying, and bundling TLS certificates. CFSSL can be used to build custom TLS PKI tools as well as create and manipulate traditional certificate structures using code or on the command line.

This package contains the command line executables.

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

sudo apt-get -y install golang-cfssl

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

You can also use apt command to install golang-cfssl.

sudo apt -y install golang-cfssl

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

sudo aptitude install golang-cfssl

Summary

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