2.1 Git
Every entry filed under Git and its subtopics.
What kind of help
What do these mean?
- Beginner
- You are new to this topic.
- Intermediate
- You use it, and want to get better.
- Advanced
- You know it well and need the details.
- Guided project
- Build something small from start to finish, step by step.
- Explains an idea
- Plain words on how something works and why.
- Step by step
- Numbered steps to get one task done.
- Cheat sheet
- Commands and options in a table, to look up fast.
- Fixes an error
- An error message, what it means, and how to solve it.
8 entries match these filters
- 0454 Scan your own code and containers in CI: Gitleaks, Semgrep and Trivy Set up a GitHub Actions workflow that runs Gitleaks, Semgrep and Trivy on every push of your own project, learn what each… Intermediate · Step by step · Any system Article Pipelines, runners & hooks · Security testing & CTF 15 Oct 2026
- 0422 Dotfiles: keep your shell setup in git Put .bashrc, .zshrc, .gitconfig and your editor settings into a git repository so a new machine is set up in minutes: a… Intermediate · Step by step · Linux, macOS Article Modern command-line tools · Setup 15 Oct 2026
- 0325 Fix: SSL certificate problem: unable to get local issuer certificate curl, git, pip or npm cannot chain the server's certificate to a root they trust. Usual causes: a corporate proxy that re-signs… Intermediate · Fixes an error · Linux, macOS, Windows Article Common errors · Making requests · TLS & certificates 15 Oct 2026
- 0041 Fix: CONFLICT (content): Merge conflict in … Two branches changed the same lines and Git cannot choose for you. Open the file, keep the right text, remove the markers,… Intermediate · Fixes an error · Any system Article Branching & rebasing · Common errors 15 Oct 2026
- 0043 Delete local branches that are already merged A bash script that lists local branches fully merged into main and, if you ask, deletes them. It never touches the current… Intermediate · Step by step · Linux, macOS, Windows Script Housekeeping 15 Oct 2026
- 0042 Fix: fatal: refusing to merge unrelated histories Your local repository and the remote do not share a single commit, usually because both were started separately. Allow the one-time merge,… Intermediate · Fixes an error · Any system Article Common errors 15 Oct 2026
- 0034 Merging vs rebasing in Git Merge and rebase both bring commits from one branch into another. Merge keeps history exactly as it happened; rebase replays your commits… Intermediate · Explains an idea · Any system Article Branching & rebasing 15 Oct 2026
- 0035 Undoing changes in Git: restore, reset, revert, and reflog Pick the undo command by where the mistake lives: in a file, in the staging area, in a local commit, or in… Intermediate · Explains an idea · Any system Article Undoing changes 15 Oct 2026