Install gzrt by entering the following commands in the terminal:
sudo apt update sudo apt install gzrt
Description:
gzip recovery toolkit
gzrecover will attempt to skip over corrupted data in a gzip archive, thereby allowing the remaining data to be recovered. . Please install cpio to facilitate recovery from damaged gzipped tarballs.
Homepage: http://www.urbanophile.com/arenn/hacking/gzrt/
Version: 0.8-1
Section: universe/utils