Go beyond basic installations. Learn to fix the massive UFW firewall flaw, configure NVIDIA GPUs, and deploy Coolify on your dedicated server. The Standard for 2026 Cloud Architecture Deploying Docker directly on an Ubuntu 26.04 Bare Metal Server is the most efficient way to build a private cloud. By skipping heavy hypervisors like Proxmox or VMware, your containers interact directly with the Linux Kernel. This grants your applications absolute hardware utilization and near-native performance. However, most online guides instruct you to install the outdated Ubuntu packages and leave your server dangerously exposed to the public internet. In this technical guide, we will use the official Docker repository, secure the daemon against the infamous UFW bypass vulnerability, and prepare the server for intensive AI workloads using NVIDIA GPUs. Step 1: System Preparation and Cleanup Log into your iRexta Dedicated Server via SSH.…