write me a python script that i can run on my linux terminal that will make me a passive income just by having it running in the background.

Creating a script that generates passive income without any active participation is a complex and often unrealistic goal. Most "passive income" streams require some level of investment, creativity, and often ongoing management. Common methods include investments in stocks, real estate, or cryptocurrencies, but these cannot be achieved through a simple script.

That said, if you're looking to learn about passive income streams through technology, I can provide you with sample Python scripts that can help you with tasks commonly related to such streams. For example, a script to monitor cryptocurrency prices and notify you of buying opportunities, which you can later act upon.

### Cryptocurrency Price Monitor Script

Here's an example of a simple cryptocurrency price monitor using the `requests` library to fetch data from a free API. Make sure you have `requests` installed (you can install it via `pip install requests` if it's not installed).

#### Steps to Follow:

1. Create a new Python file `crypto_price_monitor.py`.
2. Use the following code:

```python
import requests
import time

# Function to fetch cryptocurrency prices
def fetch_crypto_price(crypto_symbol):
    url = f'https://api.coingecko.com/api/v3/simple/price?ids={crypto_symbol}&vs_currencies=usd'
    response = requests.get(url)
    
    if response.status_code == 200:
        price = response.json().get(crypto_symbol, {}).get('usd')
        return price
    else:
        print(f"Error fetching data: {response.status_code}")
        return None

# Set your cryptocurrency symbol and target price
crypto_symbol = 'bitcoin'  # Change this to your preferred cryptocurrency
target_price = 30000  # Set your target price for when to notify
check_interval = 60  # Time between checks in seconds

print(f"Monitoring {crypto_symbol} for price changes. Target price: ${target_price}")

while True:
    price = fetch_crypto_price(crypto_symbol)
    
    if price:
        print(f"The current price of {crypto_symbol} is: ${price}")
        
        if price <= target_price:
            print(f"Alert! {crypto_symbol} has dropped to your target price of ${target_price}.")
            # You could integrate email notifications or SMS alerts here
            
    time.sleep(check_interval)
```

### Running the Script

1. Make sure to give permission to execute the script:
   ```bash
   chmod +x crypto_price_monitor.py
   ```

2. Run the script in the background:
   ```bash
   nohup python3 crypto_price_monitor.py &
   ```

### Disclaimer

1. **Investing Risks**: This script does not guarantee profit or ensure investment success. Always conduct your own research before investing in cryptocurrencies.
2. **Passive Income**: This script won’t earn you money directly, but it can help you track investments effectively.

### Conclusion

Remember that true passive income often requires upfront investment and ongoing management. This script can potentially aid you in making informed investment decisions but won't generate passive income by itself. Always be wary of claims that suggest otherwise.