signon-ui command not found

In this troubleshooting guide we learn how to fix signon-ui command not found error message

Introduction

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

signon-ui: command not found

or when using sudo you get the following error message

sudo: signon-ui: command not found

In Ubuntu signon-ui is provided by signon-ui-x11 package.

signon-ui-x11 is:

UI for the signond Single Signon service

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

sudo apt-get -y install signon-ui-x11

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

You can also use apt command to install signon-ui-x11.

sudo apt -y install signon-ui-x11

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

sudo aptitude install signon-ui-x11

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