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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 …

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 …

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 Debian 11 on existing LUKS/LVM drive

This is an update to by previous post for Debian 11.

If you want to install Debian on an existing luks encrypted device then the easiest way I've found is …

Optional home mount on Debian 11 bullseye

This is one of those weird edge cases that probably few people will ever encounter.

The Problem

In a probably over complicated attempt at simplifying my working life I wanted …

Fixing flickering screen on Lenovo X270 under KDE

I recently purchased a refurbished Lenovo X270 and installed Debian testing on it using KDE as the desktop environment.

After logging in the screen brightness flickered, this was most noticeable …

Fixing SG_IO: bad/missing sense data on a raspberry pi using Seagate USB hard drives

When using hdparm -I on a group of Seagate USB hard drives attached to a raspberry pi 4 the output included the following error:

SG_IO: bad/missing sense data, sb …

Installing Debian 9 on existing LUKS/LVM drive

I have an existing Ubuntu installation paritioned like this:

sda1 ext4 /boot   
sda2 luks crypt
---- crypt pv for lvm with group root
---- ---- lvm root
---- ---- ---- root ext4 /
---- ---- ---- swap swap
---- ---- ---- home ext4 …