Git

.gitignore file (no extension) example:

/data/*
/.idea/*
/.pytest_cache/*
/.ipynb_checkpoints/*
/pycode/.ipynb_checkpoints/*

When pushing from a remote server, user is asked for username/password. Instead of a password, provide a token, that can be generated like this.

git clone
git fetch
git pull
git push
git commit
git add
git remote -v  # shows URL of a remote