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Linux Server Hardening & Monitoring

Secure and observable Linux server foundation for web and application hosting.

LinuxUbuntuNginxUFWSSLMonitoring
Portfolio Project

Project Overview

A personal server administration project focused on securing a Linux host before exposing an application to the internet. The project combines access control, firewall configuration, web server setup, TLS, backups, system monitoring, and log review.

Portfolio note: This is presented as a personal project concept/implementation. Only describe it as completed after you have actually built, tested, and documented the deployment.

Architecture

Internet │ ▼ Firewall / Security Group │ ▼ Nginx + TLS │ ▼ Application Service │ ├── System Logs ├── Access Logs └── Monitoring / Alerts Scheduled backups protect application configuration and data.

Implementation

  1. Create a minimal Ubuntu server and update packages before configuration.
  2. Disable unnecessary services and apply secure SSH settings with key-based access.
  3. Configure UFW or cloud security groups to expose only required ports.
  4. Install and configure Nginx as a reverse proxy or web server.
  5. Configure HTTPS using a trusted certificate and redirect HTTP traffic where appropriate.
  6. Implement backups, log rotation, system monitoring, disk checks, and basic alerting.