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Paul1404/README.md

Hi, I'm Paul 👋

Systems Engineer | Linux and HCI Infrastructure | Enterprise Homelab Enthusiast

I’m a Systems Engineer specializing in Linux infrastructure with a strong focus on enterprise environments. I enjoy managing and automating complex systems, running a sophisticated homelab that mirrors enterprise-grade infrastructure.


🔭 Current Homelab Stuff

My homelab is a hands-on playground that closely mirrors enterprise infrastructure.
It’s been a challenging but rewarding journey—setting up, integrating, and automating all these systems has taught me a lot about troubleshooting, resilience, and real-world IT.

Core Hardware

  • vSphere Cluster:
    • 3× Dell R340
    • 1× Dell R440
    • Total: ~150 GHz CPU, 500 GB RAM, 4 TB vSAN ESA storage
    • 3x Huawei Fusion Server 1288H on Standby
  • Lights Out Management:
    • Dell iDRAC9 and OpenManage Enterprise for remote server control

Virtualization & OS

  • VMware vSphere with vSAN ESA for hyper-converged storage
  • 10+ Red Hat Enterprise Linux 9.5 VMs
    • Lifecycle and config managed by Red Hat Satellite 6
  • Cloud-init for automated, repeatable VM deployments
  • vRealize Operations for Logs for ESXi and vCenter Logging

Networking

  • PA-820 Next-Gen Firewall
  • MikroTik SwOS (CSS326 & CSS610) managed switches
  • Arista DCS-7010T48 ToR Switch
  • Brocade VDX6740 40 & 10G Interconnect for Inner-Rack DAC
  • PHPipam for IP address management

Containerization & Orchestration

  • Docker hosts running 50+ containers across 20 Compose stacks
  • Portainer EE for container management
  • Traefik as ingress controller and reverse proxy
  • Zitadel for authentication
  • All HTTPS traffic signed by a private PKI using HashiCorp Vault

Monitoring & Observability

  • Checkmk for infrastructure monitoring
  • Prometheus, Grafana, Jaeger for metrics, dashboards, and tracing

Self-Hosted Apps

  • Technitium DNS Server (primary & secondary)
  • Vaultwarden (self-hosted Bitwarden)
  • Planka, Wallos, IT-Tools, PWPusher
  • GitLab for code and CI/CD

💼 Contributions


🛠️ Technologies & Tools

redhat vmware cloud-init linux docker git


📊 GitHub Stats

Paul's GitHub Stats Top Languages

Certs

Red Hat Certified System Administrator | EX200


📫 Contact & Portfolio

Feel free to reach out or check out my portfolio website for more about my work and projects:

[email protected]
Portfolio Website


Thanks for visiting my profile!

Pinned Loading

  1. PortalWarden PortalWarden Public

    This project consists of a Node.js application and a Python script working together to read RFID tags and perform actions based on the tag data.

    Python

  2. moonshot-agent moonshot-agent Public

    Moonshot Agent Installer is a fun, user-friendly, and secure Bash script for downloading and installing the Checkmk agent from a protected internal repository.

    Shell

  3. Inventory-Tool Inventory-Tool Public

    This PowerShell script collects various system information and appends it to an inventory file in either JSON or CSV format.

    PowerShell

  4. LabNameGen LabNameGen Public

    Quick Programm to generate hostnames

    C#

  5. Web-Development Web-Development Public

    HTML-based Terminal-Website

    HTML

  6. SpectraIIM SpectraIIM Public

    SpectraIIM (ISP Internet Monitoring) is a lightweight, server-based tool designed to help consumers log and generate comprehensive reports on internet health. By continuously monitoring network per…

    Python