Simplified script

script.sh

@@ -4,6 +4,7 @@
 update_debian_based() {
     echo "Updating $1..."
     sudo apt-get update && sudo apt-get upgrade -y
+    sudo apt install -y sudo curl gnupg rsync
     echo "Upgrade completed!"
 }
 
@@ -11,6 +12,7 @@ update_debian_based() {
 update_fedora() {
     echo "Updating Fedora..."
     sudo dnf update -y
+    sudo dnf install -y sudo curl gnupg rsync
     echo "Upgrade completed!"
 }
 
@@ -18,6 +20,7 @@ update_fedora() {
 update_centos() {
     echo "Updating CentOS..."
     sudo yum update -y
+    sudo yum install -y sudo curl gnupg rsync
     echo "Upgrade completed!"
 }
 
@@ -49,44 +52,23 @@ case "$DISTRO" in
         exit 1
 esac
 
-# Function to create a new user
-create_new_user() {
-    echo "Enter the username for the new user: "
-    read USERNAME
-
-    # Check if the username already exists
-    if id "$USERNAME" &>/dev/null; then
-        echo "User $USERNAME already exists!"
-        create_new_user
-    else
-        echo "Enter the password for the new user: "
-        read -s PASSWORD
-
-        # Create the user and set the password
-        sudo useradd -m "$USERNAME"
-        echo "$USERNAME:$PASSWORD" | sudo chpasswd
-        echo "User $USERNAME created successfully!"
-    fi
-}
-
-# Asking if the user wants to create a new user
-echo "Do you want to create a new user? (y/n): "
-read CREATE_USER
-
-if [ "$CREATE_USER" = "y" ]; then
-    create_new_user
+# Ask if user wants to add a new user
+read -p "Do you want to add a new user? (y/n): " add_new_user
+if [ "$add_new_user" == "y" ]; then
+    read -p "Enter the username for the new user: " username
+    read -s -p "Enter the password for the new user: " password
+    echo
+    adduser --disabled-password --gecos "" $username
+    echo "$username:$password" | chpasswd
 else
     echo "No new user will be created."
 fi
 
-# Asking if the user wants to install Docker
-echo "Do you want to install Docker & Docker Compose? (y/n): "
-read INSTALL_DOCKER
-
-if [ "$INSTALL_DOCKER" = "y" ]; then
+# Ask if user wants to install Docker
+read -p "Do you want to install Docker? (y/n): " install_docker
+if [ "$install_docker" == "y" ]; then
     curl -sSL https://get.docker.com | sh
-    sudo usermod -aG docker $(whoami)
+    echo "Docker has been installed. Adding newly created user to Docker group..."
+    usermod -aG docker $username
     newgrp docker
-else
-    echo "Docker won't be installed."
 fi