The blog post addresses the "fatal: not a git repository" error encountered when Git commands are executed outside a Git repository, explaining its causes such as incorrect directory navigation, mistyped paths, uninitialized repositories, or corrupted HEAD files. To resolve this error, users should ensure they are in the correct directory, initialize the repository if necessary, or check for the presence of a .git folder as a hidden directory. The post also delves into the basics of Git, a Distributed Version Control System (DVCS), detailing its workflow, which includes staging, committing, and pushing code, and discusses other common Git errors like permission denials, failed pushes, and branch naming conflicts. The article emphasizes the importance of understanding Git's underlying concepts to avoid confusion and effectively troubleshoot issues, while also briefly mentioning Komodor's advancements in Kubernetes cost optimization through holistic automation.