ectkeeper - versioning your /etc with git

Credits and original vídeo to etckeeper.branchable.com (I just uploaded on my account to embed in blog)

etckeeper is a collection of tools to let /etc be stored in a git, mercurial, bazaar or darcs repository. This lets you use git to review or revert changes that were made to /etc. Or even push the repository elsewhere for backups or cherry-picking configuration changes.

It hooks into package managers like apt to automatically commit changes made to /etc during package upgrades. It tracks file metadata that git does not normally support, but that is important for /etc, such as the permissions of /etc/shadow.

It's quite modular and configurable, while also being simple to use if you understand the basics of working with version control.

EN: https://esli.blog.br/etckeeper-versioning-etc PT/BR: https://esli.blog.br/etckeeper