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Ollama on ARM64: Setup Guide for a Hetzner CAX VPS

by Zen Admin | Aug 24, 2026 | ARM64, Self-Hosted AI, VPS

Ollama on ARM64 works out of the box, no special build or workaround required. If you’ve got a Hetzner CAX instance or another Ampere-based ARM VPS sitting idle, you can have a model running in about ten minutes. This is the hands-on follow-up to our self-hosted...

Self-Hosted LLM vs. API Pricing: The Real Break-Even

by Zen Admin | Aug 24, 2026 | ARM64, Self-Hosted AI, VPS

If you’re paying per token for GPT-4o mini or Claude Haiku and wondering whether a self-hosted LLM on a cheap ARM VPS could do the job for a flat monthly fee, the short answer is: it depends on your volume, not your ideology. Below a few thousand requests a...

S3 Browser: A Fast, Self-Hosted UI for All Your Object Storage

by Zen Admin | Apr 29, 2026 | DevOps, Docker

If you’ve worked with S3-compatible storage for any length of time, you already know the trade-off: Powerful APIs… but frustrating user interfaces. Switching between dashboards for AWS, Backblaze B2, Cloudflare R2, or MinIO is slow, inconsistent, and...

AMD EPYC VPS vs Intel VPS: Real-World Performance, Benchmarks & Use Cases

by Zen Admin | Feb 3, 2026 | Articles, Linux, VPS

In the rapidly evolving landscape of cloud computing and virtual private servers (VPS), choosing the right underlying hardware architecture can significantly impact performance, cost, and scalability. At VPS Zen, we’ve seen a clear trend: AMD EPYC VPS plans are...

The Lightweight Monitor: Building a Powerful ARM VPS Monitoring Stack with Prometheus & Grafana

by Zen Admin | Aug 20, 2025 | System Administration, Tutorials, VPS

In the modern cloud-native world, visibility is everything. You can’t manage what you can’t measure. But for developers and homelab enthusiasts running on a budget or prioritizing efficiency, the massive resource footprint of traditional x86 monitoring...

Install Proxmox VE – Step-by-Step Tutorial for Private Clouds

by Zen Admin | Jul 16, 2025 | Linux, System Administration, Tutorials, VPS

Why Proxmox VE Is Ideal for Private Cloud Proxmox VE is a powerful open-source virtualization platform that simplifies building and managing private cloud infrastructure. It combines KVM hypervisor and LXC containers in a single platform, includes out-of-the-box high...

Best Server Hardware for Virtualization & Private Cloud in 2025

by Zen Admin | Jul 10, 2025 | Articles, Tutorials, VPS

Introduction Building your own private cloud starts with selecting the right hardware. Unlike shared cloud resources, your on-prem infrastructure needs to be carefully tuned to support virtualization workloads—whether you’re running a handful of VMs or scaling...

Build Your Own Private Cloud (Like AWS) with Dedicated & VPS Servers (Series)

by Zen Admin | Jul 10, 2025 | Articles, DevOps, VPS

Why Build Your Own Private Cloud? What is a private cloud?A private cloud is a self‑managed cloud environment that offers services similar to AWS or Azure, but on infrastructure you control and own. Unlike public clouds, it’s dedicated—and fully yours—from...

Build a Simple Content Delivery Network (CDN) with Three VPS Servers

by Zen Admin | Jun 26, 2025 | DevOps, Linux, Tutorials, VPS

Build a Simple Content Delivery Network. A Content Delivery Network (CDN) is a system of distributed servers that work together to deliver web content more efficiently to users by reducing latency and improving load times. By caching content closer to end-users, CDNs...

ARM vs. x86 VPS Hosting: Which Architecture Suits Your Needs?

by Zen Admin | May 20, 2025 | ARM64, System Administration, VPS

When selecting a Virtual Private Server (VPS) for your project, one of the most critical decisions is choosing the right CPU architecture. The two dominant players in this space are ARM and x86. Each has its strengths, weaknesses, and ideal use cases, making the...