Refactor | Add Utils, Firewall & Monitoring

utils/install_zsh.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+function install_zsh() {
+  username = $1
+  echo "[ UTILS ]: Installing zsh"
+  sudo apt-get install -y zsh
+  sudo chsh -s /usr/bin/zsh "$username"
+  echo "[ UTILS ]: Zsh installed succesfully and set as default shell for $username"
+}