Practical fixes for tool errors, setup blocks, and workflow issues.

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix Python Permission Denied When Running pip install -r requirements.txt

You run pip install -r requirements.txt and get a PermissionError or

Fix pip Externally Managed Environment Error on Linux

If you're seeing error: externally-managed-environment when trying to pip ...