cysignals-CSI command not found

Introduction

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

cysignals-CSI: command not found

or when using sudo you get the following error message

sudo: cysignals-CSI: command not found

Solutions to cysignals-CSI: command not found

How To Fix cysignals-CSI: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu cysignals-CSI is provided by cysignals-tools package.

cysignals-tools is:

Since Cython optimizes for speed, Cython normally does not check for interrupts. The cysignals package provides mechanisms to handle interrupts (and other signals and errors) in Cython code.

This package provides debugging tools.

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

sudo apt-get -y install cysignals-tools

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

You can also use apt command to install cysignals-tools.

sudo apt -y install cysignals-tools

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

sudo aptitude install cysignals-tools

Summary

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