Tutorial: Proxmox VE SSH Key-Based Authentication and Hardening

This is a tutorial article about configuring SSH access on Proxmox VE using key-based authentication. The content covers securing SSH access with keys, disabling root password authentication, and avoiding common pitfalls including issues with shared authorized_keys files. The article is tagged with Proxmox VE, Open Source, Proxmox, SSH, and Virtualization topics.