Virtua.Cloud Knowledge Base

Get more from your servers

Guides, tutorials, and references to help you get the most out of your servers.

TutorialStep-by-step guides to get things done52 articles
ConceptUnderstand how things work under the hood18 articles
CheatsheetQuick references you can bookmark4 articles
ChangelogProduct updates and new features0 articles
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Tutorial

Self-Host Langfuse on a VPS for LLM Observability

Deploy Langfuse v3 with Docker Compose on your own VPS. Trace LLM calls, track costs, run automated evaluations with DeepEval, and wire quality gates into your CI/CD pipeline.

11 min readRead
Tutorial

Self-Host Uptime Kuma and Beszel on a VPS with Docker Compose

Deploy Uptime Kuma for external uptime monitoring and Beszel for lightweight server metrics on a single VPS. Docker Compose setup with notifications, alerts, status pages, and security hardening.

15 min readRead
Tutorial

Self-Host Plausible Analytics on a VPS with Docker Compose

Deploy Plausible Community Edition on your VPS with Docker Compose. Full lifecycle guide covering setup, tracking integration, custom events, backups, and updates.

12 min readRead
Tutorial

BGP Failover and Multi-Homing from Two VPS Locations

Announce the same prefix from two locations using BGP for automatic failover. Covers LOCAL_PREF, MED, AS-path prepending, BFD, and graceful shutdown with full BIRD2 and FRR configurations.

10 min readRead
Tutorial

Nginx Security Hardening on Ubuntu and Debian

Harden Nginx beyond its defaults with security headers, TLS 1.3, HSTS, method restrictions, and access controls. Each directive is tied to the specific attack it prevents.

11 min readRead
Tutorial

Self-Host SigNoz or OpenObserve on a VPS: Datadog Alternatives Compared

Install both SigNoz and OpenObserve on a single VPS using Docker Compose. Compare real resource usage, features, and production hardening to pick the right Datadog alternative.

15 min readRead
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