title: unable to install homebrew in mac os
body: <p>I am unable to install homebrew in my macOS:</p>
  
  <p>My input and output in terminal was:</p>
  
  <pre><code>apalyas-MacBook-pro:~ apalya$ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  ==&gt;This script will install
  /usr/local/bin/brew
  /usr/local/share/doc/homebrew
  /usr/local/share/man/man1/brew.1
  /usr/local/share/zsh/site_function/_brew
  /usr/local/hombrew
  
  press RETURN or any other key to abort
  ==&gt; downloading and installing homebrew...
  mkdir: /usr/local/Library: permission denied
  failed during: /bin/mkdir -p /usr/local/Library/Taps/homebrew/homebrew-core
  </code></pre>
  
  <p>Please help me in this regard.</p>