Tools

Photorec

https://www.tecmint.com/photorec-recover-deleted-lost-files-in-linux/ (opens in a new tab)

PhotoRec is a free and open-source utility software for data recovery with text-based user interface using data carving techniques, designed to recover lost files from various digital camera memory, hard disk and CD-ROM. It can recover the files with more than 480 file extensions.

Start PhotoRec in a text window as follows with root privileges and specify the partition from which the files where deleted:

sudo photorec /dev/sda3

Testdisk

https://www.tecmint.com/install-testdisk-data-recovery-tool-in-linux/ (opens in a new tab)

TestDisk is a free and opensource, command-line data recovery tool (opens in a new tab) that is used to recover data from deleted or lost partitions. Further, you can use it to revive non-bootable partitions which can be caused by factors such as accidental deletion of partition tables, and malware attacks to mention a few.

testdisk (check link for more information)

Autopsy

Open source digital forensics platform. Built by Basis Technology with the core features you expect in commercial forensic tools, Autopsy is a fast, thorough, and efficient hard drive investigation solution that evolves with your needs.

More Information

More information ---> https://www.youtube.com/watch?v=FDnH4NVKHco (opens in a new tab)