System Online

SysAdmin Lab Automation

A robust cloud infrastructure lab demonstrating advanced Linux sysadmin skills, deployed on Oracle Cloud with Ubuntu Server, Docker, Nginx reverse proxy, HTTPS via Let's Encrypt, and comprehensive monitoring. Perfect for showcasing Junior Linux SysAdmin expertise in portfolio projects.

Project GitHub GitHub Profile LinkedIn Monitoring Dashboard

Key Features

Reverse Proxy + HTTPS

Nginx on the host acts as a reverse proxy, securing internal containers with HTTPS certificates from Let's Encrypt, ensuring encrypted traffic and proper domain routing via DuckDNS.

Monitoring with Uptime Kuma

Real-time monitoring of services, uptime, and performance metrics, accessible via a dedicated dashboard for proactive troubleshooting and system health checks.

Firewall / Networking

Secure networking with UFW firewall, internal-only container bindings on 127.0.0.1, and optimized Oracle Cloud VPC configuration for isolation and efficiency.

What This Deployment Includes

Technical Highlights

Ubuntu Server

Stable, enterprise-grade Linux distribution for reliable cloud deployments.

Docker

Containerization for easy service management and isolation.

Nginx Reverse Proxy

Efficient load balancing and security layer for internal services.

DuckDNS

Free dynamic DNS service for seamless domain access.

Let's Encrypt

Automated HTTPS certificates for secure communications.

Internal-Only Bindings

Containers bound to 127.0.0.1, enhancing security by preventing external access.

Monitoring

Uptime Kuma provides detailed insights and alerts for system reliability.