Hi, I am

Łukasz

Senior System Administrator / Team Leader

Architecture. Automation. Reliability.

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Łukasz

Tech stack

Atlassian logo Atlassian Ceph logo Ceph Cynet logo Cynet HAProxy logo HAProxy NTFY logo NTFY Wazuh logo Wazuh Zabbix logo Zabbix Docker logo Docker Grafana logo Grafana Proxmox logo Proxmox Elastic Search logo Elastic Search Logstash logo Logstash Python logo Python .NET-Core logo .NET-Core Kibana logo Kibana Fortinet logo Fortinet Github logo Github Azure DevOps logo Azure DevOps Azure logo Azure Jenkins logo Jenkins Tactical RMM logo Tactical RMM Atlassian logo Atlassian Ceph logo Ceph Cynet logo Cynet HAProxy logo HAProxy NTFY logo NTFY Wazuh logo Wazuh Zabbix logo Zabbix Docker logo Docker Grafana logo Grafana Proxmox logo Proxmox Elastic Search logo Elastic Search Logstash logo Logstash Python logo Python .NET-Core logo .NET-Core Kibana logo Kibana Fortinet logo Fortinet Github logo Github Azure DevOps logo Azure DevOps Azure logo Azure Jenkins logo Jenkins Tactical RMM logo Tactical RMM

Blog

Notes, articles and thoughts. Content synced from GitHub Gist.

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Training

Certificates and completed courses - online, onsite and hybrid.

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About me

Who I am and what I do - profile, skills, experience and education.

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Latest posts

All posts
31.07.2026
Troubleshooting Guide: Zabbix Agent 2 & Docker (Snap) Integration

If your Docker containers are running perfectly but Zabbix insists the service is offline, a Snap installation of Docker is …

zabbix docker snap
22.07.2026
HAProxy Security Hardening: Managing Mixed Internal and External Traffic

When hosting both internal-only services (e.g., NAS, hypervisors) and external-facing applications (e.g., smart home dashboards) behind a single reverse proxy, …

ha-proxy security
22.07.2026
Cloudflare SSL/TLS Encryption Modes & Origin Timeout Troubleshooting
cloudflare ssl tls network nat port-forwarding ha-proxy

Certificates

All training
Online 2026
Zabbix Expert

Sekurak

Online 2026
Practical Windows Security

Sekurak

Online 2026
Jenkins

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