CHAEI PUEI Tech Blog
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Product reviews, technical guides, DevOps, and everything I've learned after hours of hands-on testing.
9 articles
Nexo Review 2026: How to Earn Passive Income on Your Crypto (Full Setup Guide)
Sitting on Bitcoin, ETH, or stablecoins doing nothing? Nexo pays you daily interest — up to 14% APY — with no lock-up. Here's how it works, my real results after 90 days, and a developer's take on the security.
Nexo vs Binance Earn vs Cold Storage 2026: Which Is Right for You?
Three options for crypto holders: earn yield on Nexo, use Binance Earn, or keep everything in cold storage. I break down the real trade-offs — rates, risk, control — so you can make an informed decision.
Best Laptops for Developers in 2026: MacBook Pro M4 vs Dell XPS 15 vs ThinkPad X1 Carbon
I tested the top three developer laptops of 2026 head-to-head: compile times, battery life, display quality, and daily coding ergonomics. Here's the honest breakdown.
How to Deploy Next.js App Router to a Ubuntu VPS with Docker and Nginx
A step-by-step guide: multi-stage Dockerfile, Docker Compose, Nginx reverse proxy, free SSL with Certbot, and automated CI/CD with GitHub Actions.
How I Build a Landing Page from Zero to Live in One Day
The real stack I use to ship landing pages fast: Next.js + shadcn/ui + Vercel. From setup to deploy, with a list of UI tools and hosting options I actually trust.
What Is a GPU VPS? Real-World Use Cases and When You Actually Need One in 2026
How is a GPU VPS different from a regular VPS? This article breaks down the architecture, popular GPU options (NVIDIA A100, T4, RTX 4090), AI/ML and rendering use cases, and a cost comparison across providers.
Optimizing Next.js App Router Performance: From 60 to 98 on PageSpeed
A battle-tested checklist for improving Core Web Vitals in Next.js 15+: image optimization, font loading, bundle analysis, caching strategy, and monitoring with Plausible. Includes real before/after numbers.
What Is an Unmanaged VPS? Pros, Cons, and How It Compares to Managed VPS
An unmanaged VPS gives you full control over your server — but full responsibility too. This article breaks down the differences, walks through SSH hardening, UFW, and Fail2Ban setup, and helps you pick the right option.
Cursor Review: Best AI Editor of 2026 or Just Hype?
I've used Cursor Pro for 3 straight months as my daily driver instead of VS Code. This is an honest review: what actually works, what's overhyped, and when it's worth the $20/month.