criu-ns command not found

In this troubleshooting guide we learn how to fix criu-ns command not found error message

Introduction

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

criu-ns: command not found

or when using sudo you get the following error message

sudo: criu-ns: command not found

In Ubuntu criu-ns is provided by criu package.

criu is:

criu contains the utilities to checkpoint and restore processes in userspace.

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

sudo apt-get -y install criu

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

You can also use apt command to install criu.

sudo apt -y install criu

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

sudo aptitude install criu

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