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VPS & Cloud Infrastructure Management

This guide covers how to connect to and manage Linux Virtual Private Servers (Ubuntu / Debian) on your hosting account.

1. Connecting via SSH (Termius, PuTTY, or Terminal)​

To connect to your server instance using SSH key authentication:

  1. Copy your server's public IP address from your management panel.
  2. Open your SSH client (e.g., Termius or terminal).
  3. Connect using root or your custom sudo username: bash ssh root@your_vps_ip -p 22

2. Managing Firewall Rules (UFW)​

Ensure basic port security using Uncomplicated Firewall:

  • Allow SSH port: ufw allow 22/tcp
  • Allow Web traffic: ufw allow 80/tcp and ufw allow 443/tcp
  • Enable firewall: ufw enable