ninjahelper command not found

In this troubleshooting guide we learn how to fix ninjahelper command not found error message

Introduction

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

ninjahelper: command not found

or when using sudo you get the following error message

sudo: ninjahelper: command not found

Solutions to ninjahelper: command not found

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

In Ubuntu ninjahelper is provided by backupninja package.

backupninja is:

Backupninja lets you drop simple config files in /etc/backup.d to coordinate system backups. Backupninja is a master of many arts, including incremental remote filesystem backup, and MySQL backup. By creating simple drop-in handler scripts, backupninja can learn new skills. Backupninja is a silent flower blossom death strike to lost data.

In addition to backing up regular files, Backupninja has handlers to ease backing up: Maildir, MySQL, PostgreSQL, SVN, Trac, hardware and system information, as well as the output from custom shell scripts.

Backupninja currently supports common backup utilities, easing their configuration, currently supported are: rdiff-backup, duplicity, rsync, borgbackup, restic and CD/DVD.

Most handlers have their own dependencies/recommendations, shown in brackets below:

  • dup [duplicity, trickle]
  • rdiff [rdiff-backup]
  • sys [debconf-utils, hwinfo, mdadm]
  • makecd [genisoimage, wodim]
  • rsync [rsync]
  • svn [subversion]
  • tar [bzip2]
  • borg [borgbackup]
  • restic [restic]

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

sudo apt-get -y install backupninja

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

You can also use apt command to install backupninja.

sudo apt -y install backupninja

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

sudo aptitude install backupninja

Summary

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