Your VPS handbook from zero: concepts, specs, routes and AI workloads
For first-time VPS buyers: how a VPS differs from shared hosting, dedicated servers and cloud instances. What do vCPU, RAM, bandwidth, transfer and virtualization actually mean? And the five things to check before you click buy.
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In the AI-agent era, a VPS has become personal infrastructure: always-on assistants (Hermes Agent, OpenClaw), self-hosted models, automation, personal sites… What a VPS can do, why one is worth it, and which tier matches which need — with real prices.
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Why do two identical VPS plans feel 10x different from China? Return routes vs forward routes, the 163 backbone, CN2 GT vs GIA, Unicom 9929 and Mobile CMI — plus how to test routes yourself with ping, mtr and BestTrace.
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The two hottest always-on AI agents of 2026 — Nous Research's Hermes Agent and OpenClaw — both list a $5/mo VPS as the official starting point. How they work, how to size the box (with a tier table), deployment overview and a security checklist.
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