How OpenCode + ChatGPT Accelerated My Homelab
Running a homelab means making small changes across Proxmox, VMs, LXC containers, Docker Compose projects, and shared storage. I wanted help working through ...
Infrastructure + Systems Engineering
Building resilient infrastructure with a security-first mindset.
I am Mat Leszkiewicz, a support engineer focused on infrastructure reliability, automation, and security operations. This portfolio captures the homelab builds, system projects, and incident response lessons that define how I work.
Current role
Technical Support Engineer
Core focus
Infrastructure + automation
Security lens
Incident response, detection
Stack
AWS, Linux, Docker
Focus Areas
Infrastructure engineering
Platform reliability, system design, and performance-aware operations.
Security operations
Incident response workflows, log analysis, and detection engineering.
Automation and observability
AWS pipelines, tooling, and practical monitoring for production systems.
AI enablement
Applied AI tooling, workflow automation, and ops augmentation.
Homelab series
Ongoing infrastructure builds covering Proxmox, storage, networking, and secure remote access.
How to Choose Your First Home Server Hardware: A Practical Guide
The best first home server is the smallest, quietest, least expensive machine that can run the services you actually want. That sounds obvious, but it is eas...
Other Projects
geekDb: Exploring TMDB with Next.js
I built geekDb as a movie-discovery site with Next.js and The Movie Database (TMDB). It gives me a way to browse trending titles, top-rated movies, and films...
Recent Posts
Running a Private AI and SearXNG Stack in My Homelab
On October 17, 2026, I turned a collection of local AI experiments into a more usable stack. The result was not just a model running on a GPU. It was a priva...
Homelab Backup Strategy: 3-2-1 with PBS, Restic, Backrest, and Jottacloud
“A homelab without a backup is like a car without a seatbelt: safe until the first crash.”
Homelab Update: Tailscale Edge + Peer Relay Progress
“The network is the product when the product is the network.”
Homelab Observability: Grafana + Prometheus + Loki
On February 2, 2026, I spent a homelab session on a different kind of feature: observability. I wanted one place to check whether services were responding, w...
Homelab Update: Nextcloud + Music Assistant with Tailscale
“Every new service adds value. Every new service adds a new place to forget a setting.”
How OpenCode + ChatGPT Accelerated My Homelab
Running a homelab means making small changes across Proxmox, VMs, LXC containers, Docker Compose projects, and shared storage. I wanted help working through ...
Building My HomeLab: From Scratch to Self-Hosting
I built this homelab to run the services I wanted at home—file storage, media, DNS filtering, automation, and remote access—without putting every workload di...
How to Choose Your First Home Server Hardware: A Practical Guide
The best first home server is the smallest, quietest, least expensive machine that can run the services you actually want. That sounds obvious, but it is eas...
Building Parallel CI/CD Pipelines with AWS at Fundrecs
During my software developer internship at FundRecs, I worked on two CI/CD pipelines for the Java-based Fusion application. The goal was to replace manual de...
geekDb: Exploring TMDB with Next.js
I built geekDb as a movie-discovery site with Next.js and The Movie Database (TMDB). It gives me a way to browse trending titles, top-rated movies, and films...
Turning a Raspberry Pi into an RTSP Streaming Server
I wanted to see whether a Raspberry Pi and its camera could act as a small network camera without replacing the Pi’s operating system or building a larger su...
MyGeekDB: A Kotlin Movie and TV App
I built MyGeekDB to explore Android development with Kotlin. The app brings movie and TV information into one place: I can browse recommendations, search for...