Things I build, break, fix, and write about

5 November 2026
Embedded payloads in trojanised PDF viewers

Modified PDF viewers are a neat little delivery trick because they look like ordinary job bait until someone opens them. I keep coming back to the same point, the file name is not the danger, the loader path is; that is where the unwanted code slips in.

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...

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...

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5 January 2026
Using Dell Chromebook 3100 as a thin client

Turn Dell Chromebook 3100 units into cheap Chromebook thin clients for your home automation and remote desktop use. Record serials, remove school management, install Chromium OS Flex or minimal Debian...

5 January 2026
Best practices for Proxmox Backup Server snapshot management

Proxmox Backup Server snapshots can yield corrupt metadata if taken while PBS is active. Plan snapshots to separate PBS maintenance from your VM backup windows. Export your config and keys off the...

4 January 2026
Monitoring Proxmox disk usage for Home Assistant VMs

Learn to diagnose Proxmox disk usage for your Home Assistant VMs. Get the exact commands you need, check the qemu-guest-agent, and know when Home Assistant OS cannot report filesystem stats. Use qm...

4 January 2026
Weekly Tech Digest | 04 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.

4 January 2026
Steps for Ubuntu 24.4 GPU passthrough setup

Set up GPU passthrough for Ubuntu 24.4 on Proxmox with clear, practical steps. Check IOMMU in BIOS, bind your AMD Radeon to vfio-pci, attach the PCI device to the VM, and install amdgpu in the guest....

3 January 2026
Installing Proxmox on a Dell OptiPlex 3050 Mini PC

Proxmox on Dell OptiPlex 3050: Use a 3050 Mini PC to run small VMs on NVMe with better single‑thread performance. You will adjust BIOS, configure LVM‑thin storage, set a bridged NIC, apply firewall...

3 January 2026
Understanding GPU passthrough support in Proxmox

I use Proxmox CLI GPU Passthrough when I need raw GPU power inside a VM. This keeps the noise down and gets straight to the checks that matter. I’m assuming a single Proxmox host on a recent Proxmox...

2 January 2026
Creating automation scenes for your smart lock

Smart Lock Automation with Home Assistant keeps your door control local and secure. You get concise automation scenes, presence checks and door sensor safeguards you can copy. Learn testing steps,...

2 January 2026
Configuring Modbus for home automation

Modbus home automation guide. You will wire RS-485 correctly, map coils and registers, and assign unique slave IDs. You will test with a single node, check termination and parity, and log CRC errors....

1 January 2026
VoIP settings for reliable calls on Sophos XGS

Sophos XGS Firewall: optimise VoIP settings for reliable calls. Start by mapping your NAT, public IPs, VLANs, and ports. Lock firewall rules and allow only required SIP and RTP ranges. Mark media...