Proxy Setup Script for Debian-Based Linux Systems

This script allows users to easily add or change proxy settings on a Debian-based Linux system. It prompts the user for a proxy server IP address and port number, validates the inputs, and then updates the system's environment settings accordingly.

Features

• Validates the provided IP address and port number.
• Backs up the existing /etc/environment file before making changes.
• Appends the new proxy settings to the /etc/environment file.
• User-friendly prompts and error messages.
• Clear instructions for the user to reboot or log out for the changes to take effect.

Prerequisites

• A Debian-based Linux distribution (e.g., Ubuntu, Debian).
• bash shell.
• sudo privileges to modify the /etc/environment file.

Usage

Step 1: Download the Script

Save the script to a file, for example, set_proxy.sh.

Step 2: Make the Script Executable

Open a terminal and run the following command to make the script executable:

chmod +x set_proxy.sh