https://osmancancinar.com/blog/ Field notes on native iOS + Android, the release chain most people hand off, in-car apps, AI-assisted engineering, and the machines I build to do the work. Long, specific, and from real projects. en https://osmancancinar.com/blog/fine-tuning-my-own-coding-assistant-qlora/https://osmancancinar.com/blog/fine-tuning-my-own-coding-assistant-qlora/Mon, 31 Aug 2026 00:00:00 +0000The box already ran a local coding model wired to a RAG and memory layer: retrieval keeps it grounded in facts that change constantly, a long system… https://osmancancinar.com/blog/unattended-server-cold-reboot-self-recovery/https://osmancancinar.com/blog/unattended-server-cold-reboot-self-recovery/Sun, 30 Aug 2026 00:00:00 +0000Part 5 proved the box could survive a cold reboot: sshd answered at the lock screen, no PIN typed, nobody at the keyboard. That was real progress, and it… https://osmancancinar.com/blog/local-cloud-llm-router-two-machines-one-brain/https://osmancancinar.com/blog/local-cloud-llm-router-two-machines-one-brain/Sat, 29 Aug 2026 00:00:00 +0000The gateway had been up for a while, still without a router: a local gateway with a few local models and optional cloud slots, answering behind one… https://osmancancinar.com/blog/local-llm-benchmarks-rtx-3060/https://osmancancinar.com/blog/local-llm-benchmarks-rtx-3060/Fri, 28 Aug 2026 00:00:00 +0000By this point the box has SSH, Tailscale, a self-hosted CI runner, and a memory framework that indexes thousands of files. None of that answers the… https://osmancancinar.com/blog/github-actions-self-hosted-runner-windows/https://osmancancinar.com/blog/github-actions-self-hosted-runner-windows/Thu, 27 Aug 2026 00:00:00 +0000Every CI run for this project (backend, Android, web) cold-started a fresh GitHub VM and re-downloaded half of NuGet and Gradle's internet, every single… https://osmancancinar.com/blog/claude-code-and-a-memory-framework-cleanup/https://osmancancinar.com/blog/claude-code-and-a-memory-framework-cleanup/Wed, 26 Aug 2026 00:00:00 +0000Installing Claude Code on the Windows box was one line: https://osmancancinar.com/blog/mirroring-a-dev-machine-safely/https://osmancancinar.com/blog/mirroring-a-dev-machine-safely/Tue, 25 Aug 2026 00:00:00 +0000A tool that installs cleanly today becomes a "why doesn't it work when I log in as the other account" bug three weeks from now, reported by me, to me… https://osmancancinar.com/blog/symmetric-server-shared-filesystem-no-sleep/https://osmancancinar.com/blog/symmetric-server-shared-filesystem-no-sleep/Mon, 24 Aug 2026 00:00:00 +0000Finder showed me exactly one shared folder from the box, the share I'd set up weeks earlier. Not the D:\ drive underneath it, where every project and… https://osmancancinar.com/blog/first-reboot-and-the-rdp-rabbit-hole/https://osmancancinar.com/blog/first-reboot-and-the-rdp-rabbit-hole/Sat, 22 Aug 2026 00:00:00 +0000I killed the power to the box for the first real reboot, a full shutdown and cold boot, and didn't touch a key again: no PIN entered, no console login… https://osmancancinar.com/blog/tailscale-always-on-home-server/https://osmancancinar.com/blog/tailscale-always-on-home-server/Thu, 20 Aug 2026 00:00:00 +0000Tailscale made the box reachable from the Mac: no port forward, no password ever crossing the internet. https://osmancancinar.com/blog/passwordless-ssh-into-windows-hardened/https://osmancancinar.com/blog/passwordless-ssh-into-windows-hardened/Tue, 18 Aug 2026 00:00:00 +0000The box sits in the corner, no monitor, no keyboard, set to auto-power-on after an outage. It comes back to the Windows lock screen, waiting for a PIN… https://osmancancinar.com/blog/reclaiming-disk-space-old-dev-machine/https://osmancancinar.com/blog/reclaiming-disk-space-old-dev-machine/Sun, 16 Aug 2026 00:00:00 +0000Android Studio, Flutter, Unity, JetBrains, the whole JVM zoo: all wiped months ago. And yet D:\ was still choking under 27.6 GB nobody was using. https://osmancancinar.com/blog/gaming-pc-to-private-ai-server/https://osmancancinar.com/blog/gaming-pc-to-private-ai-server/Sat, 15 Aug 2026 00:00:00 +0000A 2021 gaming PC sat under my desk for two years doing nothing. Decent GPU, wired Ethernet, powered on maybe once a month so Windows could patch itself…