Contracts & Infrastructure

Carina
Systems

Linux & DevOps engineering for those who prefer FOSS over vendor lock-in and real infrastructure over cloud theatre.

CI/CDLinux SysadminVoIP / Asterisk AnsibleOpenTofuAutomation
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App — Actively building

sync
local

Your notes. Your device. Your rules. A local-first sync tool for Obsidian — no cloud required, no subscription, no surveillance.

ObsidianLocal-firstFOSS iOSPrivacy
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Contract Services

Local-first. FOSS-native. Available from Switzerland with flexibility for Australian and international engagements.

Live now 🤖

A2A Agent Systems

Three autonomous agents on Raspberry Pi 5 — Google A2A protocol compliant. Task inference via local LLM, Codeberg issue automation, boot monitoring with ntfy.sh alerts, and a live status dashboard. Zero cloud dependency.

See the agents →
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CI/CD Pipelines

Self-hosted pipelines using Woodpecker CI, Semaphore, and OpenTofu. No GitHub Actions lock-in. Runs on your hardware.

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Linux Sysadmin

Debian, CentOS, Red Hat. Server hardening, SSH configuration, network administration, and remote infrastructure management.

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Automation

Ansible playbooks, Bash and Python scripting, infrastructure-as-code with OpenTofu. Eliminate manual toil from your operations.

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Web & Hosting

Self-hosted web services, CMS setup, DNS management, and static site deployment. Your stack, on your terms.

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Blockchain Ops

Node operation, blockchain infrastructure management, and technical consulting. Diploma qualified. PoW networks preferred.

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VoIP & Asterisk

Call centres setup up to 25 agents, predictive diallers, business telephony. Asterisk from scratch or migration from legacy systems.

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synclocal

Obsidian sync that lives on your network, not someone else's server.

Build progress 72%
  • Sync your Obsidian vault across devices over your local network — no internet required
  • Zero cloud dependency — your notes never leave your control
  • No subscription. No surveillance. No lock-in.
  • Built for privacy-conscious users who take their second brain seriously
  • FOSS — source available on Codeberg

Technical Stack

The full FOSS pipeline — from infrastructure provisioning to deployment, no proprietary dependencies.

OpenTofu
Woodpecker CI
Semaphore CD
Ansible
Debian Linux
Raspberry Pi 5
Bash / Python
Asterisk VoIP
Codeberg / Forgejo
GitLab
SSH Hardening
MySQL
HTML / CSS
C / C++ / Python
Objective-C / Xcode
Blockchain / PoW
Cloudflare Tunnels
Cloudflare DNS
Webhooks
Google A2A Protocol
FastAPI · uvicorn
Ollama · tinyllama 1.1B
language_tool_python
ntfy.sh
OpenClaw
Claude API

Work with Carina Systems

Available for contracts, tenders, and project-based engagements. Switzerland & Australia.

FOSS-first  ·  PoW aligned  ·  Local-first

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