Things I build, break, fix, and write about

5 November 2026
Ransomware group fragmentation and detection priorities

Ransomware group fragmentation means the label matters less than the behaviour, and I trust activity over reputation every time. A small crew with rented services can do plenty of damage, so I watch for early signs, not familiar names, and I patch anything exposed before the attackers get bored.

5 November 2026
Security Advisory – 05 Nov 2026

Daily security advisory summary for 05 Nov 2026

4 November 2026
Linux kernel net/sched UAF constraints on CentOS 9 desktop

Linux kernel net/sched use-after-free looks messy on paper, and on CentOS 9 Desktop it is worse, because the obvious paths are blocked and the useful...

4 November 2026
AI-assisted pull requests raise review cost

AI-assisted pull requests look cheap until you try to review them properly. I’ve seen tidy code hide a lot of work, and the cost only goes up when a...

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19 January 2026
Keep backups and recovery plans for Proxmox upgrades

Upgrade your Proxmox server safely with best practices for package management. Avoid disruptions and securely manage your upgrades to prevent costly mistakes.

19 January 2026
Migrating from VMware to Proxmox

Migrating from VMware to Proxmox? This practical guide shows the Proxmox configuration choices that matter. You get step-by-step commands for KVM setup, network and VLAN mapping, storage imports,...

18 January 2026
Using a Bluetooth universal remote with Moes Fingerbot

If you want a Bluetooth universal remote for a Moes Fingerbot, expect pairing issues. The Fingerbot uses Tuya BLE profiles, so most remotes will not pair. Use a Tuya/Moes Bluetooth gateway or Home...

18 January 2026
Weekly Tech Digest | 18 Jan 2026

Stay updated with the latest in tech! This digest covers AI ethics, auto industry shifts, and the impact of politics on technology, exploring today's pressing issues.

18 January 2026
Improve Zigbee stability by moving noisy kit away

Your Zigbee network can suffer from 2.4GHz interference when nearby Wi‑Fi or Quinetic gear uses the same band. You can reduce dropouts by moving the coordinator away from metal and noisy devices. Set...

17 January 2026
Integrating Zigbee with Home Assistant on Raspberry Pi

Start with the Raspberry Pi. Use a Pi 4 with 4 GB and an SSD. Flash Home Assistant OS, set a static IP and use Ethernet. Add a Zigbee coordinator for IKEA devices and a Matter/Thread controller for...

17 January 2026
Inspecting privacy flaws in the Hubitat C8-Pro

I opened a Hubitat C8-Pro to see how private and secure it actually is. I wanted root access, a look through the files and services, and a set of fixes you can apply yourself. I focus on the steps I...

16 January 2026
Exploring non-camera home monitoring

Privacy concerns make cameras unsuitable in bedrooms and bathrooms. Non-visual home monitoring uses radar, depth and level-only audio to detect presence, falls and long inactivity without images. You...

16 January 2026
Downloading and analysing PCAP files in Wireshark

I use Packet Capture in Sophos Firewall WebAdmin every week. It is the quickest way to see what the firewall actually sees. I capture traffic on the appliance, download the PCAP, and check it in...

15 January 2026
Upgrading Sophos XGS126 from firmware 19.5.x to 21.5

Sophos XGS126 firmware upgrade. Follow a clear checklist. Confirm your current firmware and SSD firmware. Back up your config twice off-box. Read release notes and follow required intermediate...