Tnembull@node-01:~$ systemctl status tnembull.service
● tnembull.service - DevOps Engineer | Cloud Infrastructure | Automation & Backend Development
Loaded: loaded (/etc/systemd/system/tnembull.service; enabled; vendor preset: enabled)
Active: active (running) since Tue 2026-07-28 00:00:00 UTC; 999d uptime
Main PID: 2026 (app-cluster)
Tasks: 42 (limit: 4915)
Memory: 512.0M
CPU: 0.05s
CGroup: /system.slice/tnembull.service
├─2026 /usr/local/bin/backend-api-gateway
├─2027 /usr/local/bin/devops-ci-runner
└─2028 /usr/local/bin/sre-observability-agent/home/Tnembull/skills/
├── 01_infrastructure_as_code/
│ ├── terraform/ (HCL, Cloudflare Edge, DNS, Strict TLS 1.3)
│ └── ansible/ (Idempotent Playbooks, Linux VPS Hardening)
├── 02_observability_&_reliability/
│ ├── prometheus/ (PromQL, Metric Scraping, TSDB Storage)
│ ├── alertmanager/ (Telegram Alerts, Severity Routing, Deduplication)
│ ├── grafana/ (Dashboards-as-Code, Production Red Method)
│ └── disaster_recovery/ (AES-256 GPG, Zero-Lock Snapshots, DR Drills)
├── 03_devsecops_&_containers/
│ ├── docker/ (Multi-stage Minimal Alpine Builds, Non-Root)
│ ├── security_scanning/ (Aqua Trivy, Gitleaks, Hadolint, NPM Audit)
│ └── github_actions/ (Automated CI/CD Quality Gates & Linters)
└── 04_backend_&_systems/
├── python/ (Forensic CLI Scanners, Automation, Asyncio)
├── node_typescript/ (Express, Helmet Hardening, APIs)
├── golang/ (Microservices, Bridging APIs, CLI Utilities)
└── linux_admin/ (Systemd, UFW, Network Tables, Reverse Proxy)[
{
"repo": "Tnembull/go-core-backend",
"domain": "Core Backend Architecture",
"stack": ["Go (Golang)", "Clean Architecture", "TOTP 2FA", "Granular RBAC", "Prometheus", "Postman/Apidog"],
"summary": "Production microservice core with zero-trust auth, TOTP 2FA, token rotation, and 35 automated E2E tests"
},
{
"repo": "Tnembull/ansible-vps-hardening",
"domain": "Configuration Management",
"stack": ["Ansible", "UFW", "SSH Hardening", "Fail2ban", "GitHub Actions"],
"summary": "Automated declarative Linux VPS security baseline and package provisioning"
},
{
"repo": "Tnembull/terraform-cloudflare-iac",
"domain": "Infrastructure as Code",
"stack": ["Terraform", "Cloudflare", "Edge DNS", "Strict SSL/TLS 1.3"],
"summary": "Declarative edge routing, dynamic subdomains, and zero-drift security policies"
},
{
"repo": "Tnembull/sre-observability-stack",
"domain": "Telemetry & Observability",
"stack": ["Prometheus", "Alertmanager", "Grafana", "Telegram Bot"],
"summary": "Production metric pipelines, PromQL alerting rules, and Dashboards-as-Code"
},
{
"repo": "Tnembull/automated-dr-backup",
"domain": "Disaster Recovery & Reliability",
"stack": ["Bash", "GPG AES-256", "SQLite", "Cloud Storage Sync"],
"summary": "Zero-downtime database snapshots, immutable checksums, and automated DR drills"
},
{
"repo": "Tnembull/devsecops-pipeline",
"domain": "Shift-Left DevSecOps",
"stack": ["Gitleaks", "Aqua Trivy", "Hadolint", "Docker Multi-stage"],
"summary": "Continuous secret scanning, static Dockerfile linting, and container CVE auditing"
},
{
"repo": "Tnembull/npm-supply-chain-scanner",
"domain": "Cloud & Host Security Forensics",
"stack": ["Python", "Linux Persistence", "PM2 Auditing", "SARIF"],
"summary": "Defensive forensic CLI triage tool detecting malicious scripts and backdoor persistence"
}
]
