seqdiag3 command not found

Introduction

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

seqdiag3: command not found

or when using sudo you get the following error message

sudo: seqdiag3: command not found

Solutions to seqdiag3: command not found

How To Fix seqdiag3: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu seqdiag3 is provided by python3-seqdiag package.

python3-seqdiag is:

Generate sequence-diagram from dot like text with multilingualization for node-label. But this supports utf-8 only. And get some examples and generated images.

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

sudo apt-get -y install python3-seqdiag

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

You can also use apt command to install python3-seqdiag.

sudo apt -y install python3-seqdiag

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

sudo aptitude install python3-seqdiag

Summary

In this tutorial we learn how to fix seqdiag3 command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.