// Blog · tag

#ssh

Every post tagged ssh.

Blog posts

troubleshooting

How to Fix "Only Root Can Do That" in Proxmox VE (PAM vs PVE Realm Permissions Explained)

Ran a qm or pct command over SSH and got slapped with "only root can do that"? It's almost always a mismatch between PAM and PVE realms, not a bug. Here's what's actually happening and how to fix it properly.

security

How to Install and Configure Fail2ban on Proxmox VE (Block Brute-Force Login Attempts)

Bots scan the internet around the clock looking for open logins. Here's how to install fail2ban on Proxmox VE and automatically ban IPs that hammer your web UI or SSH with failed login attempts.

security

How to Secure Proxmox VE After a Fresh Install: A Beginner's Hardening Checklist

A fresh Proxmox VE install works, but it isn't locked down. Here are the ten things worth doing first — from a real admin user to a firewall you won't accidentally lock yourself out of.

networking

How to Access Proxmox VE Remotely and Securely (Without Exposing Port 8006)

Learn the safe way to reach your Proxmox VE web interface from outside your home network: SSH tunneling for quick access, a full Tailscale VPN setup, and locking down pveproxy so port 8006 never touches the open internet.

How to Enable SSH Access in Proxmox VE (Host and LXC Containers)
security

How to Enable SSH Access in Proxmox VE (Host and LXC Containers)

SSH already works on a fresh Proxmox VE host, but LXC containers don't come with it. Here's how to connect to both, lock down root login, and fix the errors people hit along the way.