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

OpenClaw: troubleshooting homelab installation with Docker, Telegram and Ollama

Real errors, causes and copy-paste fixes when OpenClaw doesn't respond

OpenClaw troubleshooting guide for homelab: Telegram webhook 409 conflict, Docker and Ollama, 16k context model, CPU timeouts and OpenAI API alternative.

Posted by David Guillermo on Tuesday, February 17, 2026

Zabbix 6 on Docker: Monitoring Stack with MySQL, Nginx and Agents

How to deploy Zabbix 6 on Docker with MySQL and Nginx: persistent volumes, custom network, server/frontend/agent containers, and how to fix the 'dbversion table not found' error.

Posted by David Guillermo on Thursday, June 9, 2022

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Sysadmin, self-taught by curiosity.

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docker kubernetes linux microsoft monitoring powershell security siem sysadmin telegram wazuh wsus