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Cotechnoe Cloud Hub — Azure Marketplace Documentation

🇫🇷 Cette page est également disponible en français : fr-Home

Welcome to the official documentation for Cotechnoe Cloud Hub — Secure File Collaboration on Azure, deployed via the Microsoft Azure Marketplace.

Cotechnoe Cloud Hub is a production-ready Nextcloud Hub instance running on Ubuntu 24.04 LTS with Nginx, PHP-FPM 8.3, PostgreSQL 16, and Redis — all pre-configured and ready to use after deployment.

Quick Start

Cotechnoe Cloud Hub is available directly from the Microsoft Azure Marketplace. Once deployed, follow these steps:

#	Task	Wiki Page
1	Deploy the VM and fill in configuration parameters	Deploying-from-Marketplace
2	Connect to the VM via SSH	SSH-Connection
3	Verify that all services are running	Post-Deployment-Verification
4	Confirm the HTTPS certificate is active	HTTPS-TLS-Certificate
5	Configure Nextcloud settings	Configuring-Nextcloud
6	Load sample data to explore features	Loading-Sample-Data
7	Explore the Nextcloud interface	Exploring-Nextcloud
8	Troubleshoot common issues	Troubleshooting

Architecture Overview

Internet (HTTPS 443 / HTTP 80)
        │
     Nginx  ──  reverse proxy + Let's Encrypt TLS certificate (auto-provisioned)
        │
     PHP-FPM 8.3
        │
     Nextcloud Hub 33  (/var/www/nextcloud)
        │
        ├── PostgreSQL 16  ──  database (127.0.0.1:5432)
        │
        ├── Redis  ──  session cache + file locking (127.0.0.1:6379)
        │
        └── /var/nextcloud-data  ──  Azure managed data disk (user files, logs)

Security: PostgreSQL (port 5432) and Redis (port 6379) are bound to 127.0.0.1 only. Publicly accessible ports: 80 (HTTP → HTTPS redirect), 443 (HTTPS), and 22 (SSH, restricted by NSG rule to sshSourceIP).

Deployment Parameters

Parameter	Description	Default / Example
adminUsername	VM SSH administrator username	azureuser
adminPublicKey	SSH public key (OpenSSH format, ed25519 or RSA 4096)	ssh-ed25519 AAAA...
vmSize	Azure VM size	Standard_D4s_v3
dataDiskSizeGB	Size of the managed data disk for /var/nextcloud-data (GB)	128
sshSourceIP	Allowed CIDR for SSH access	203.0.113.0/32 or *
nextcloudAdminUser	Nextcloud administrator username	ncadmin
nextcloudAdminPassword	Nextcloud administrator password (min. 12 chars)	—
nextcloudDomain	Domain name used for the VM FQDN and TLS certificate	cloudapp.azure.com

Wiki Pages

• Deploying-from-Marketplace — Deploy from Azure Marketplace and fill in configuration parameters
• SSH-Connection — Connect to the VM using a PEM key
• Post-Deployment-Verification — Validate that all services are running correctly
• HTTPS-TLS-Certificate — TLS certificate provisioning, Let's Encrypt, renewal, and custom certs
• Configuring-Nextcloud — Configure mail, trusted domains, and other Nextcloud settings
• Updating-Nextcloud — Safely upgrade Nextcloud to a newer version
• Managing-Users — Create and manage user accounts and groups
• Managing-Apps — Install and manage Nextcloud apps
• Loading-Sample-Data — Load sample files to explore the interface
• Exploring-Nextcloud — Navigate the Nextcloud web interface
• Troubleshooting — Common errors and their solutions
• Support — Publisher and community support channels, contact information

Available Languages

The following pages are also available in French / Les pages suivantes sont également disponibles en français :

English	Français
Home	fr-Home
Deploying-from-Marketplace	fr-Deploying-from-Marketplace
SSH-Connection	fr-SSH-Connection
Post-Deployment-Verification	fr-Post-Deployment-Verification
HTTPS-TLS-Certificate	fr-HTTPS-TLS-Certificate
Configuring-Nextcloud	fr-Configuring-Nextcloud
Updating-Nextcloud	fr-Updating-Nextcloud
Managing-Users	fr-Managing-Users
Managing-Apps	fr-Managing-Apps
Loading-Sample-Data	fr-Loading-Sample-Data
Exploring-Nextcloud	fr-Exploring-Nextcloud
Troubleshooting	fr-Troubleshooting
Support	fr-Support

Resources

• Nextcloud Official Documentation
• Azure Marketplace
• Support — Contact publisher or Nextcloud community