Guilgo Blog

Notes from my daily work with technology.

Build a proactive SOC in a homelab: Kubernetes, Docker, Wazuh, Trivy and Telegram

Low-noise periodic checks: broken pods, high Wazuh alerts, CVEs in exposed images and Telegram reports, with deduplication and clear severity policy

Guide: proactive homelab SOC with k3s, Wazuh, Trivy (CVEs on exposed Docker images) and Telegram. Cron, low noise, dedupe and actionable alerts.

Posted by David Guillermo on Sunday, April 26, 2026

Wazuh Grafana integration: lightweight dashboard without Elasticsearch

Agents, security alerts (SCA, MITRE), AdGuard and parental control in one dashboard. No Indexer or official Dashboard.

Wazuh Grafana integration without Elasticsearch: a lightweight REST API dashboard for agents, SCA/MITRE alerts and AdGuard. JSON plugin, JWT and proxies.

Posted by David Guillermo on Friday, February 27, 2026

Auditing Kubernetes with Wazuh: API server audit logs into your SIEM

Webhook listener, audit policy, and custom detection rules for create/delete events

Step-by-step guide to audit Kubernetes with Wazuh: API server audit logs to the SIEM, webhook listener, audit policy and rules in local_rules.xml. Kubernetes security monitoring.

Posted by David Guillermo on Thursday, February 26, 2026

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Sysadmin, self-taught by curiosity.

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adguard docker homelab kubernetes linux microsoft monitoring parental-control powershell security siem sysadmin telegram wazuh wsus