Things I build, break, fix, and write about

29 July 2026
Headlamp in-cluster deployment and RBAC boundaries

Headlamp in-cluster deployment only makes sense when the UI belongs inside the cluster, and even then the service account should be painfully narrow. I trust the boundary, not the person using it on a quiet afternoon.

28 July 2026
Marketplace takedown pressure on vendor operations

Marketplace takedowns do more than pull a site offline, they cut through the vendor routines that keep sales moving. In dark web marketplaces, that...

28 July 2026
Brickstorm persistence in Microsoft 365

Brickstorm showed how Microsoft 365 persistence can survive a tidy password reset and a few blocked logins. I keep coming back to the same point, if...

27 July 2026
Restricting Serv-U access before patching

The SolarWinds Serv-U flaw is the sort of bug that turns a routine patch into an ugly afternoon, so I would block the obvious request pattern first...

Latest blog posts you might like

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...

15 January 2026
Resolving PDQ Connect package failures with Sophos XDR

What you see Error codes from PDQ Connect Typical PDQ output looks like this: Step failed, Exit Code: 1 The PDQ deployment log shows the step failed and returned code 1 Exit code 1 is a generic...

14 January 2026
Troubleshooting Sophos Home Edition firmware update errors

Facing firmware update errors on Sophos Home Edition? This guide offers practical troubleshooting steps to help you identify and fix common issues effectively.

14 January 2026
n8n | n8n@2.3.4

n8n version 2.3.4 released on January 13, 2026, focuses on fixing CLI import bug (#24215). Check release notes for version comparison details.

13 January 2026
Transitioning from Windows to Ubuntu: Key commands

Transitioning from Windows to Ubuntu can seem daunting. This guide simplifies essential Linux commands, covering navigation, permissions, and package management to ease your migration.