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T&T Hub

Gacka ul. 16, 10000, Zagreb, Croatia

Travel & technology HUB Gacka16. A platform for the development of ideas, business projects, exchange of knowledge, experience and a gathering place for professionals.

Explore Our Courses

Gitea: Self-Hosted Git Forge Replacing GitHub and GitLab

14 Hours

GitLab Self-Managed: Complete DevSecOps Platform Without SaaS

21 Hours

Container Sovereignty: Kubernetes Without Cloud Dependencies

21 Hours

Multi-Cloud Sovereignty: Avoiding Single-Vendor Lock-in

14 Hours

Open Network Operating Systems: SONiC and ONL

14 Hours

Private Cloud Infrastructure: OpenStack for Enterprises

21 Hours

Software-Defined Networking with Open Source Tools

35 Hours

Building a Self-Managed Enterprise Network with Open-Source Routers, Switching, and Wi-Fi

21 Hours

Terraform: Self-Hosted Infrastructure as Code Without Cloud Lock-in

14 Hours

Uptime Kuma: Self-Hosted Monitoring Replacing Datadog and Pingdom

7 Hours

Enterprise VPN: Self-Hosted WireGuard and OpenVPN

21 Hours

OpenVPN and WireGuard: Self-Hosted VPN Replacing ExpressVPN and NordLayer

14 Hours

Wazuh: Open-Source Security Monitoring Replacing Splunk and Sentinel

21 Hours

Woodpecker CI: Lightweight Self-Hosted Pipelines for Gitea and Forgejo

14 Hours

Zero Trust Architecture with Open Source Components

35 Hours

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Upcoming Courses

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