roll1r

Systems & Infrastructure Engineer | Linux, Networking & Automation

Passionate about Linux kernel performance tuning, distributed networking, automated deployments, and resilient cloud architecture. Maintaining independent nodes and exploring modern observability patterns.

Core Engineering Stack

🐧 Linux Systems (Debian/Ubuntu/Arch) ⚡ Go (Golang) 🐍 Python 3 🐳 Docker & Compose 🌐 Nginx & Reverse Proxies 📡 Networking (TCP/IP, BBR, eBPF) 🐘 PostgreSQL 🔒 TLS / PKI & Cryptography

Open Source & Projects

net-bench-daemon

Lightweight latency, packet loss, and jitter measurement tool with automated Prometheus endpoint exporter.

GoNetworkingPrometheus

ebpf-socket-trace

Minimalist kernel-space socket tracer inspecting TCP window utilization, retransmissions, and RTT dynamics.

CeBPFKernel 6.x

dotfiles & server-bootstrap

Ansible-driven reproducible provisioning playbooks for headless Debian/Ubuntu server environments.

AnsibleBashLinux

acme-hook-orchestrator

Automated deployment hook runner for zero-downtime certificate rotation across container boundaries.

PythonTLSDocker

Engineering Notes

Tuning TCP BBRv3 congestion control on Linux 6.8 kernels Oct 2026
Architecting self-contained Docker overlay namespaces Sep 2026
Zero-downtime Nginx reload dynamics under high concurrent load Aug 2026