signtos command not found

Introduction

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

signtos: command not found

or when using sudo you get the following error message

sudo: signtos: command not found

Solutions to signtos: command not found

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

In Ubuntu signtos is provided by signtos package.

signtos is:

Signs ARM Trusty images for use with operating systems that support it. Trusty is a set of software components supporting a Trusted Execution Environment (TEE) on mobile devices. The key must be stored in PKCS8 format.

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

sudo apt-get -y install signtos

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

You can also use apt command to install signtos.

sudo apt -y install signtos

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

sudo aptitude install signtos

Summary

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