How to secure the /etc directory in Linux using etckeeper and Git

The article presents an interesting tool called etckeeper, which allows for versioning of system files located in the /etc directory that often undergo changes over time. Many users are not aware of how critical it is to regularly back up these files, which can be vital in the event of system failure or mistakes made during editing. Etckeeper utilizes the Git version control system to keep track of changes, making it not only a secure solution but also a convenient one. This allows users to easily revert to previous versions of files, which is invaluable for system administrators. The article also details the installation and configuration of etckeeper, making it more accessible even to less experienced users.