Install Nextcloud on AlmaLinux 9: SELinux, LDAP & Clustering

Install Nextcloud on AlmaLinux 9 as a Secure File Sharing Server

How to install Nextcloud on AlmaLinux 9 — a complete, step-by-step guide to build a reliable and secure file sharing server using SELinux, LDAP authentication, and clustering for enterprise environments.

This tutorial shows how to set up and configure Nextcloud on AlmaLinux 9 as a private file sharing server with Apache or NGINX, PHP, and MariaDB/PostgreSQL. Perfect for businesses seeking secure collaboration, compliance, and scalability.

Key Features:

• Secure File Sharing with full SSL/TLS encryption and hardened SELinux policies
• LDAP/Active Directory Integration for centralized user management
• High Availability through Redis caching and database clustering
• Easy Web Interface for user, file, and app administration
• Extensible Platform with hundreds of Nextcloud apps for collaboration
• Scalable Architecture suitable for SMBs and enterprise deployments

1. 1. Update the System

   First, ensure your AlmaLinux 9 system is fully updated to get the latest security patches and libraries:

   sudo dnf update -y && sudo dnf install epel-release -y

   (In case first see: Terminal QuickStart Guide.)