What
Install Homebrew to a local directory without root access.
Why
Some servers don't allow sudo. Local installation works without system permissions.
How
# Clone Homebrew
git clone https://github.com/Homebrew/brew homebrew
# Add to PATH
eval "$(homebrew/bin/brew shellenv)"
# Initialize
brew update --force --quiet
chmod -R go-w "$(brew --prefix)/share/zsh"