Things I build, break, fix, and write about

16 September 2026
Monitoring radio, transport and core faults

Private 5G resilience does not come from a cheerful dashboard or a nice radio map. I want to see where the attach failed, which path dropped, and whether the core is quietly spoiling the whole thing; otherwise you are guessing, and guessing is a poor plan when the network is already sulking.

16 September 2026
Pre-boot authentication for BitLocker

TPM-only BitLocker is convenient, but convenience is not the same as a proper boundary. BitLocker PINs push that line back to pre-boot, which is where...

15 September 2026
Single-sided BPool joins drain mOCEAN via SideStaking

Ocean Protocol BPool single-sided join exit math is where this one falls apart, and I have a soft spot for bugs that look tidy until another contract...

15 September 2026
ecrecover checks for Lixir Vault permit signatures

Lixir Vault permit signatures looked ordinary until the final check was missing. If `ecrecover` only needs to return a nonzero address, you have not...

Latest blog posts you might like

26 April 2026
Security Advisory – 24 Apr 2026

Daily security advisory summary for 24 Apr 2026

25 April 2026
Setting lifecycle tracking for kitchen appliances with Home Assistant

I stopped treating appliance failure as a surprise and built a Home Assistant replacement schedule around dates, run counts, and service history. It is plain, slightly dull, and far more useful than...

25 April 2026
Security Advisory – 24 Apr 2026

Daily security advisory summary for 24 Apr 2026

24 April 2026
Network segmentation with VLANs, DNS and firewall rules

A proper network blueprint is mostly unglamorous discipline, VLANs with a job, DNS that stays in its lane, firewall rules that mean something, and DHCP reservations that do not rely on memory. Get...

24 April 2026
Security Advisory – 23 Apr 2026

Daily security advisory summary for 23 Apr 2026

23 April 2026
Safe ways to remove Copilot from Windows applications

Windows has a habit of putting Copilot back after updates, so I check policy first, then the package itself. If you need to remove Microsoft Copilot from Windows properly, the trick is knowing which...

23 April 2026
n8n | stable

n8n 2 17 5: enforces credential access for dynamic node parameters, fixes credential exposure risk, upgrade recommended for admins and self hosted users

23 April 2026
Security Advisory – 21 Apr 2026

Daily security advisory summary for 21 Apr 2026

22 April 2026
Configuration management prevents home lab drift

Cheap kit only stays cheap if the software side stays disciplined. A home lab software stack turns into a mess the moment settings live in web forms and half the logic sits in your head, which is a...

22 April 2026
Security Advisory – 20 Apr 2026

Daily security advisory summary for 20 Apr 2026