git troubleshot guide

git-troubleshoot.md

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+# Git Troubleshooting
+
+## Rights to access repo
+- Symptom
+  - ![](./images/git-rights-error.PNG)
+- Cause
+  - Git has recently (due to a CVE) started caring about repository ownership 
+- Remedy
+  - Add the `repo to safe.directory`
+  ```sh
+  $ git config --global --add safe.directory '*' # For the current user and all repositories
+  $ git config --system --add safe.directory '*' # For all users and all repositories
+  ```