testdisk command not found

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

Introduction

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

testdisk: command not found

or when using sudo you get the following error message

sudo: testdisk: command not found

Solutions to testdisk: command not found

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

In Ubuntu testdisk is provided by testdisk package.

testdisk is:

TestDisk checks the partition and boot sectors of your disks. It is very useful in forensics, recovering lost partitions. It works with :

  • DOS/Windows FAT12, FAT16 and FAT32
  • NTFS ( Windows NT/2K/XP )
  • Linux Ext2 and Ext3
  • BeFS ( BeOS )
  • BSD disklabel ( FreeBSD/OpenBSD/NetBSD )
  • CramFS (Compressed File System)
  • HFS and HFS+, Hierarchical File System
  • JFS, IBM’s Journaled File System
  • Linux Raid
  • Linux Swap (versions 1 and 2)
  • LVM and LVM2, Linux Logical Volume Manager
  • Netware NSS
  • ReiserFS 3.5 and 3.6
  • Sun Solaris i386 disklabel
  • UFS and UFS2 (Sun/BSD/…)
  • XFS, SGI’s Journaled File System

PhotoRec is file data recovery software designed to recover lost pictures from digital camera memory or even Hard Disks. It has been extended to search also for non audio/video headers. It searches for following files and is able to undelete them:

  • Sun/NeXT audio data (.au)
  • RIFF audio/video (.avi/.wav)
  • BMP bitmap (.bmp)
  • bzip2 compressed data (.bz2)
  • Source code written in C (.c)
  • Canon Raw picture (.crw)
  • Canon catalog (.ctg)
  • FAT subdirectory
  • Microsoft Office Document (.doc)
  • Nikon dsc (.dsc)
  • HTML page (.html)
  • JPEG picture (.jpg)
  • MOV video (.mov)
  • MP3 audio (MPEG ADTS, layer III, v1) (.mp3)
  • Moving Picture Experts Group video (.mpg)
  • Minolta Raw picture (.mrw)
  • Olympus Raw Format picture (.orf)
  • Portable Document Format (.pdf)
  • Perl script (.pl)
  • Portable Network Graphics (.png)
  • Raw Fujifilm picture (.raf)
  • Contax picture (.raw)
  • Rollei picture (.rdc)
  • Rich Text Format (.rtf)
  • Shell script (.sh)
  • Tar archive (.tar )
  • Tag Image File Format (.tiff)
  • Microsoft ASF (.wma)
  • Sigma/Foveon X3 raw picture (.x3f)
  • zip archive (.zip)

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

sudo apt-get -y install testdisk

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

You can also use apt command to install testdisk.

sudo apt -y install testdisk

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

sudo aptitude install testdisk

Summary

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