Cloud Infrastructure Technical Guides & How-Tos
Practical tutorials for deploying and managing VPS, storage, networking, self-hosted applications, infrastructure as code, monitoring, and AI workloads.
Learn & Build
Learn how to deploy and manage VPS instances, storage, private networks, monitoring, infrastructure as code, self-hosted applications, and AI workloads. Each guide focuses on a practical task you can apply to real cloud infrastructure.
Available Content
Build BGP and OSPF Labs on Gozunga Cloud with Containerlab
Build BGP, OSPF, and VRF routing labs with Containerlab on a Gozunga Cloud VM and connect the topology to private cloud networks.
James CornmanDeploy Gozunga Cloud Infrastructure with OpenTofu
Use OpenTofu and the OpenStack provider to deploy a Gozunga Cloud server, configure networking and cloud-init, return outputs, and destroy resources cleanly.
James CornmanHow to Run Jean Server on Gozunga Cloud
Step-by-step guide to launching Jean Server on Gozunga Cloud with cloud-init. Covers security group setup, instance sizing, first login, token management, service management, upgrades, and optional TLS hardening with Nginx.
James CornmanDeploy Applications on Gozunga Cloud with Cloud-Init
Use tested cloud-init examples to deploy Docker, k3s, databases, application runtimes, reverse proxies, GPU drivers, CI runners, and security tools on Gozunga Cloud.
James CornmanConvert Docker Run to Docker Compose with Composerize
Use Composerize to convert docker run commands into Docker Compose files, extend the generated stack, adapt it for Coolify, and reverse it with Decomposerize.
James CornmanHow to Launch an NVIDIA GPU Instance on Gozunga Cloud
Launch an NVIDIA L40S or RTX 2000 PRO GPU instance on Gozunga Cloud, install drivers with cloud-init, connect over SSH, and verify it with nvidia-smi.
James CornmanHow to Self-Host GitLab on a Gozunga Cloud VPS
Deploy GitLab Community Edition on a Gozunga Cloud VPS with Docker Compose, persistent storage, SSL, SSH access, and an optional GitLab Runner.
James CornmanFix Intel E810 Driver and FEC Issues on Proxmox
Install Intel BootUtil for E810 NICs on Proxmox VE and fix FEC mismatches that prevent 25GbE links from establishing.
James CornmanHow to Install Dokploy on a Gozunga Cloud VPS
Install Dokploy on a Gozunga Cloud VPS with cloud-init, then configure security groups, management access, DNS, HTTPS, and application ports.
James CornmanHow to Self-Host Uptime Kuma on Gozunga Cloud with Coolify
Deploy Uptime Kuma with Coolify on Gozunga Cloud for self-hosted uptime monitoring, notifications, service checks, and status pages.
James CornmanHow to Monitor a Gozunga Cloud VPS with Netdata
Install Netdata on a Gozunga Cloud VPS, connect it to Netdata Cloud, secure access to port 19999, and monitor system and application performance.
James CornmanBuild Zero-Trust Networking on Gozunga Cloud with NetBird and Authentik
Build a self-hosted zero-trust network on Gozunga Cloud with NetBird and Authentik, including OIDC, private networks, floating IPs, and firewall rules.
James CornmanFix OpenStack Watcher Timezone Errors on Ubuntu Noble
Resolve timezone conflicts in OpenStack Watcher containers on Ubuntu Noble, restart the affected services, inspect logs, and verify Watcher operation.
James CornmanWork Around OpenStack Epoxy FIPS Issues on Ubuntu Noble
Work around OpenStack Epoxy deployment failures on Ubuntu Noble FIPS systems by building a custom Kolla base image with Ubuntu Pro configuration.
James CornmanFind and Clean Up Stale OpenStack Nova Allocations
Detect and remove stale Nova and Placement allocations that cause incorrect resource accounting or prevent OpenStack from scheduling new instances.
James CornmanConfigure HashiCorp Vault OIDC with Authentik
Configure HashiCorp Vault OIDC with Authentik, including the provider, discovery URL, claims, Vault roles, policies, and group-based access.
James CornmanReset an OpenStack Cinder Volume Host After a Ceph Configuration Change
Fix an OpenStack volume that cannot be deleted after a Ceph configuration change by inspecting Cinder and updating its stored volume-host value.
James CornmanRun Ollama with Coolify: Build an n8n Sentiment Analysis Workflow
Deploy Ollama with Coolify and connect it to n8n to build a private sentiment-analysis workflow using Google Gemma 3. Includes setup and testing.
James CornmanHow to Self-Host Umami with Coolify on Gozunga Cloud
Deploy self-hosted Umami analytics with Coolify on Gozunga Cloud. Configure the application, domain, initial login, and website tracking.
James CornmanHow Gozunga Built an Email Verification Workflow with n8n and Supabase
See how Gozunga uses n8n, Supabase, Captain Verify, and Discord to validate email addresses, cache results, and monitor customer signup.
James CornmanHow to Install Coolify on a Gozunga Cloud VPS
Install Coolify on a Gozunga Cloud VPS and configure cloud-init, firewall rules, management ports, DNS, and secure production application access.
James CornmanNeed Help with Something Specific?
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