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Achievement: QuickdrawAchievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: YOLO

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Achievement: QuickdrawAchievement: Pair ExtraordinaireAchievement: Pull Sharkx3Achievement: YOLO

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stayZ3RO/README.md

Hey, I'm Christopher

I'm an IT service desk analyst. I work on automation and infrastructure. I automate the repetitive parts, then check the result.

Portfolio: projects, evidence, resume, and contact.

Blog: lab notes. stayz3ro.dev redirects there.

Status: public page. The admin UI stays on my tailnet.

Now

  • CompTIA Network+ (studying)
  • CompTIA Security+ (next)
  • A cloud certification (after Security+)
  • HashiCorp Terraform Associate is a side interest, not the next exam.

Featured projects

Project What it is
HA DNS Pi-hole, Unbound, Keepalived, Prometheus, and Grafana. Nebula Sync is the replication. Gravity Sync is retired. v1.0.0.
Managed network UniFi UDM Pro and USW-24-PoE since 2026-09-27. The LAN is still flat. VLAN and firewall work is next. The old controller is not part of the current network. v1.0.0.
VPS lab Caddy and HTTPS. Umami is on the public sites. Kuma monitors are on the status page. Discord and self-hosted ntfy. Production backups are not in place yet.
cssDOOM A CSS rendering of DOOM. Live at cssdoom.wtf.
AWS network lab OpenTofu and Terraform, with tests and CI. Nothing is applied. This is a learning lab, not the main line.

My portfolio also has a v1.0.0 release.

Technical stack

  • Infrastructure: Linux, Proxmox, Docker Compose, Tailscale
  • Networking and DNS: Pi-hole, Unbound, Keepalived, UniFi
  • Automation and validation: Python, Bash, PowerShell, pytest, GitHub Actions
  • Observability: Prometheus, Grafana, Alertmanager
  • Cloud and IaC: OpenTofu, Terraform

How I work

  • I learn the fundamentals, then build something real with them.
  • A test, a CI run, or a captured result has to back the claim.
  • I write down what was proven, and I keep private operational detail out of the public notes.

Pinned Loading

  1. dns dns Public

    Self-hosted HA Pi-hole DNS lab: Unbound, Keepalived, Prometheus, Grafana, Alertmanager, Tailscale, RustDesk, and Proxmox. Gravity Sync has lapsed. Nebula Sync is the planned replacement.

    Python

  2. netlab netlab Public

    Managed home network lab documenting the completed UniFi UDM Pro and USW-24-PoE cutover, flat LAN validation, and planned VLAN segmentation and firewall policy.

    Python

  3. portfolio portfolio Public

    Technical portfolio featuring HA DNS, UniFi networking, VPS operations, and AWS network automation labs.

    HTML

  4. vps-lab vps-lab Public

    Netcup VPS lab: Caddy and HTTPS, eight Uptime Kuma monitors including a redirect check, public status page at status.chrisalorenzo.com with a tailnet-only admin, Discord and self-hosted ntfy. Backu…

    Python

  5. cloud-netlab cloud-netlab Public

    AWS networking-as-code lab: a reusable Terraform/OpenTofu VPC module, a tested Python drift-check tool, and CI. Learning project, not deployed infrastructure.

    Python