qrcode command not found

Introduction

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

qrcode: command not found

or when using sudo you get the following error message

sudo: qrcode: command not found

Solutions to qrcode: command not found

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

In Ubuntu qrcode is provided by go-qrcode package.

go-qrcode is:

Package qrcode implements a QR Code encoder in Go language.

A QR Code is a matrix (two-dimensional) barcode. Arbitrary content may be encoded, with URLs being a popular choice :)

Each QR Code contains error recovery information to aid reading damaged or obscured codes. There are four levels of error recovery: Low, medium, high and highest. QR Codes with a higher recovery level are more robust to damage, at the cost of being physically larger.

The maximum capacity of a QR Code varies according to the content encoded and the error recovery level. The maximum capacity is 2,953 bytes, 4,296 alphanumeric characters, 7,089 numeric digits, or a combination of these.

This package contains the command-line tool qrcode.

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

sudo apt-get -y install go-qrcode

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

You can also use apt command to install go-qrcode.

sudo apt -y install go-qrcode

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

sudo aptitude install go-qrcode

Summary

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