useradd.sh

#!/bin/bash

# Function to generate a random password
generate_random_password() {
	tr -dc A-Za-z0-9 </dev/urandom | head -c 12
}

# Prompt for username
read -p "Enter username: " USERNAME

# Ask if the user wants to generate a random password
read -p "Do you want to generate a random password? (y/n): " GEN_PASS

if [[ "$GEN_PASS" =~ ^([yY][eE][sS]|[yY])$ ]]; then
	PASSWORD=$(generate_random_password)
	echo "Generated password: $PASSWORD"
else
	# Prompt for password
	read -s -p "Enter password: " PASSWORD
	echo
fi

# Prompt for admin status
read -p "Should the user be an admin? (y/n): " ADMIN

# Create the user with the provided username
useradd $USERNAME -U -m -s /bin/bash

# Set the provided password for the user
echo "$USERNAME:$PASSWORD" | chpasswd

# If the user should be an admin, add to sudo group and configure sudoers
if [[ "$ADMIN" =~ ^([yY][eE][sS]|[yY])$ ]]; then
	usermod -aG sudo $USERNAME
	echo "$USERNAME ALL=(ALL) NOPASSWD:ALL" > /etc/sudoers.d/$USERNAME
	chmod 0440 /etc/sudoers.d/$USERNAME
fi