Configure Brew on MacOS and install utilities.

brew.sh

#!/bin/bash

#Check If Brew Is Installed

if ! [ -x "$(command -v brew)" ]; then
      /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
   else
     brew update
     brew upgrade
   fi

# Install Core Utilities (Most Of MacOS Defaults Are Outdated).
brew install coreutils
brew install moreutils
brew install findutils
brew install gnu-sed --with-default-names
brew install grep
brew install openssh
brew install screen
brew install p7zip
brew install ssh-copy-id
brew install tree

# Install Some Security Tools
brew install binutils
brew install binwalk
brew install nmap
brew install sqlmap
brew install tcpflow
brew install tcpreplay
brew install tcptrace

# Clean Up Brew
brew cleanup

#Remove Icons For Hard Drives, Servers, And Removable Media On The Desktop.
defaults write com.apple.finder ShowExternalHardDrivesOnDesktop -bool false
defaults write com.apple.finder ShowHardDrivesOnDesktop -bool false
defaults write com.apple.finder ShowMountedServersOnDesktop -bool false
defaults write com.apple.finder ShowRemovableMediaOnDesktop -bool false

#Keep folders At Top When Sorting By Name.
defaults write com.apple.finder _FXSortFoldersFirst -bool true

#Disable the warning when changing a file extension
defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false

#Show the ~/Library and /Voluemes folder
chflags nohidden ~/Library
sudo chflags nohidden /Volumes

#Download and Install available updates in background
defaults write com.apple.SoftwareUpdate AutomaticDownload -int 1