// Blog · tag

#proxmox

Every post tagged proxmox.

Blog posts

virtual-machines

How to Fix a Black Screen in a Proxmox VE VM (Display Types: std VGA, VirtIO-GPU, and SPICE Explained)

Console showing a black screen or a resolution stuck at 1024x768? Here's what Proxmox VE's display types actually do, how std VGA, VirtIO-GPU, and SPICE differ, and how to fix the console for good.

cli

How to Check Your Proxmox VE Version (pveversion Command Explained for Beginners)

Not sure if you're on Proxmox VE 8 or 9, or whether last night's update actually installed? Here's how to check your exact version from the CLI and the web interface in under a minute.

networking

How to Create an Additional Network Bridge in Proxmox VE (Isolated Internal Network for VMs and Containers)

Learn how to add a second Linux bridge in Proxmox VE for a fully isolated network — ideal for testing firewall VMs, sandboxing untrusted guests, or building a private backend network with no extra hardware.

updates

How to Boot an Older Kernel in Proxmox VE (And Pin It So It Sticks)

A new Proxmox VE kernel broke your GPU passthrough or NIC driver? Here's how to boot back into the kernel that worked, pin it with proxmox-boot-tool so updates stop switching you back, and safely remove the pin once the regression is fixed.

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.

containers

How to Install Home Assistant Container in an LXC on Proxmox VE (Docker-Based Setup)

Skip the dedicated VM. Here's how to run Home Assistant Container in Docker inside a Proxmox LXC, including the nesting and keyctl settings most guides leave out.

installation

How to Uninstall Proxmox VE and Revert Your Server Back to Plain Debian

Tried Proxmox VE on an existing Debian box and want it back to plain Debian without a full wipe? Here's the safe, step-by-step way to remove it without breaking your kernel or losing your data.

containers

How to Install Ollama in an LXC Container on Proxmox VE (Run Local AI Chat Models for Beginners)

Want your own AI chatbot without sending anything to the cloud? Here's how to set up Ollama inside a lightweight LXC container on Proxmox VE, pull a small model, and start chatting — no GPU required, and it only takes about fifteen minutes.

security

Why Does Proxmox VE Show a Certificate Warning? Fixing "Your Connection Is Not Private"

Opened your fresh Proxmox VE install and got a scary browser warning? Here's why the self-signed certificate triggers it, how to safely proceed, and how to import the CA so it never shows up again.

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