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Enabling 3D acceleration with virgl

To enable 3D acceleration using virgl you need to make sure the virgl render is installed on the host through whatever your package manager is, then edit the libvirt XML …

Fixing unrecognised usb devices connected to thunderbolt dock after upgrade to Debian bookworm

I upgraded my main machine from Debian Buster (11) to Debian Bookworm (12) this weekend.

Prior to the upgrade I had a Kensington thunderbolt dock connected which connects to an …

Setting all MySQL autoincrement values to next value

I recently had to migrate multiple MySQL databases using AWS DMS which only does the bare minimum of schema support. (Tip create the schema manually and then import the data …

Improving spice performance over wan

When accessing a KVM virtual machine over WAN (the internet), I've noticed painfully slow performance.

It turns out that the default spice viewer when a machine is configured using virt-manager …

x11vnc tips fixes and weirdness

I've encountered a few issues when using x11vnc to remotely connect to and existing runing X session.

Here they are and the fixes for them:

Server crashes with caught XIO …

Improving Windows Docker performance inside KVM

Recently I've had to use Docker on Windows (note this is using Hyper-V not WSL since WSL has some odd bugs).

However this has been pretty slow, I'm using Debian …

Fixing input lag when installing OpenBSD on KVM

When installing OpenBSD 7.1 on a KVM virtual machine I had significant keyboard lag and repeated key strokes, to fix this I switched the Display from "Spice server" to …

Installing WSL on Windows inside QEMU/KVM

When installing WSL on a VM inside QEMU/KVM the default CPU configuration causes windows to bail after install with preparing to automatically repair.

The solution, change the CPU to …

Creating multi-domain ACM certificates using terraform

Creating multi-domain ACM certificates can be tricky with terraform, the examples only show creating a single domain and waiting for validation.

This example shows how it can be done, it …

Routing traffic through tinc

Tinc is a mesh VPN which creates secure connections between nodes allowing them to communicate through each other, it doesn't require a central server which is useful for ad-hoc networks …

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