Install harden-doc by entering the following commands in the terminal:
sudo apt update sudo apt install harden-doc
Description:
useful documentation to secure a Debian system
This package contains documentation an administrator can use to make a Debian system more secure. It currently provides the 'Securing Debian Manual' from the Debian Documentation Project. . The manual is provided both in English and in all available translations, which might not be, however, fully up-to-date. Available translations include: Brazilian Portuguese, French, and German.
Homepage: http://www.debian.org/doc/manuals/securing-debian-howto/
Version: 3.18.1
Section: universe/doc