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How to setup postgresql in debian 11:

1. Install postgresql: 
    apt install postgresql postgresql-contrib

2. su to postgres account, in order to manipulate the database:
    su - postgres

3. Create a user and database named with mydb, set password:
    createuser -P mydb

44670

#!/usr/bin/env python3
"""
Netcat-like UDP Tool in Python

This Python script provides a simple and lightweight netcat-like UDP tool that allows users to
send and receive data over UDP using IPv4 and IPv6 addresses. It is designed to be easy to use
and versatile, making it suitable for various networking tasks, including testing, debugging,
and learning purposes.

By following the netcat command-line style, this script offers users a familiar interface for