siril command not found

Introduction

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

siril: command not found

or when using sudo you get the following error message

sudo: siril: command not found

Solutions to siril: command not found

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

In Ubuntu siril is provided by siril package.

siril is:

Siril is an image processing tool specially tailored for noise reduction and improving the signal/noise ratio of an image from multiple captures, as required in astronomy. Siril can align automatically or manually, stack and enhance pictures from various file formats, even images sequences (movies and SER files).

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

sudo apt-get -y install siril

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

You can also use apt command to install siril.

sudo apt -y install siril

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

sudo aptitude install siril

Summary

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