Tutorials
Extending a Single ISP IPv6 /64 Across Multiple VLANs with OPNsense
How I kept IPv4 routing on an ER605, extended one dynamic ISP IPv6 /64 across isolated VLANs with OPNsense, and automated NDP recovery.
Jul 19, 2026
Writings & Insights
Tharun's Blog
Tutorials, honest reviews, and lessons learned across tech, education, and everyday life.
by Tharun P KarunLatest
TutorialsJuly 21, 2026·13 min read
Turn Almost Any IR Air Conditioner into a HomeKit Thermostat with Tuya and Homebridge
How I turned a conventional infrared AC into a single Apple Home thermostat tile using a Tuya Smart AC Controller, Tuya IoT, and Homebridge—and what the cloud and one-way IR limitations really mean.
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AI
AI coding tools become the default for software engineering teams
AI coding tools have moved from experiment to standard in many engineering orgs. Most teams now rely on AI assistance, top adopters report doubled pull request throughput, and autonomous agents are taking on more routine coding tasks.
Mar 30, 2026
Technology
Firefox Is Adding a Free Built-In VPN. Here is What It Means for You
Mozilla is rolling out a free, built-in VPN with Firefox 149, starting in the US, UK, France and Germany with a 50GB monthly data allowance. Here is how it works, what it covers, and when you should still consider a full device VPN.
Mar 20, 2026
AI
Apple is pushing back on 'vibe coding' iPhone apps. Here is what the App Store rules actually say
AI tools now let people build simple apps with text prompts, but Apple is scrutinizing these 'vibe coding' experiences on iPhone. Here is why App Store policies are complicating approvals, what Apple says, and how this could evolve.
Mar 19, 2026
AI
DLSS 5: Has Nvidias AI graphics technology gone too far?
Nvidia unveiled DLSS 5, a real-time neural rendering model that can rewrite a games lighting and materials with generative AI. The promise is photorealism, the reaction is backlash, as players say it overwrites artistic intent and gives everything the same AI-slop look.
Mar 18, 2026
AI
Ex-Google dev vibe coded a Palantir-like surveillance clone in 2 hours: here is why it matters
An ex-Google Maps product manager used AI agents and "vibe coding" to assemble a Palantir-like geospatial intelligence dashboard in hours, not months. Here is what was built, why the speed matters, and what the public-versus-private data gap means for privacy, policy, and the future of software.
Mar 17, 2026
AI
Inside the Push to Build Data Centers Powered by Human Brain Cells
Biological data centers built on living human neurons are moving from lab demo to real facilities. Here is why I support this bold shift, what Cortical Labs is building, and the hurdles it must clear to complement today’s power-hungry AI infrastructure.
Mar 16, 2026
AI
Next.js Was Rebuilt with AI in One Week: What It Means for Open Source and Engineering
An AI-assisted effort recreated the core Next.js API on a different build toolchain in about a week, for roughly $1,100 in AI tokens. Here is why this matters, how it was done, what the limits are, and how teams can responsibly use AI to replicate or port open source projects.
Mar 10, 2026