This script automates NordVPN connection to different countries and performs nslookup for a specified endpoint. It checks if NordVPN is installed and logged in, prompts for installation if needed, and asks for the endpoint for nslookup.

setup.sh

#!/bin/bash

# Check if NordVPN is installed
if ! command -v nordvpn &> /dev/null; then
    echo "NordVPN is not installed. Installing..."
    # Determine the installation command based on the system
    if command -v apt-get &> /dev/null; then
        sudo apt-get install nordvpn
    elif command -v yum &> /dev/null; then
        sudo yum install nordvpn
    else
        echo "Unsupported package manager. Please install NordVPN manually."
        exit 1
    fi
fi

if ! nordvpn account &> /dev/null; then
    echo "NordVPN is not logged in. Logging in..."
    read -p "Enter your NordVPN username: " username
    read -sp "Enter your NordVPN password: " password
    nordvpn login --username "$username" --password "$password"
fi

# Prompt for the endpoint for nslookup
read -p "Enter the endpoint for nslookup: " endpoint

countries=$(nordvpn countries)
read -ra countryArray <<< "$countries"
for country in "${countryArray[@]}"; do
    echo "$country"
    nordvpn connect "$country"
    nslookup "$endpoint"
done