Mathew’s tech web site

Occasional posts about software, hardware and related matters.

Process matters

To quote Fun Boy Three and Bananarama, ‘It Ain’t What You Do (It’s the Way That You Do It)’

2026-11-02 · 5 min

Corporate Linux

The kernel boldly goes all-in on AI.

2026-10-14 · 7 min

The unknown unknowns

A fundamental problem with LLM chatbots that I think deserves greater attention.

2026-08-15 · 5 min

The problem factory

The tech industry has been failing to deal with a fundamental issue for decades.

2026-07-29 · 19 min

The vi family

The last text editor you’ll ever need to learn.

2026-05-04 · 6 min

IPv6 address assignment

IPv6, SLAAC, and how obtaining an address is different on an IPv6 network.

2026-02-03 · 17 min

IPv4 history

How we came to run out of IP addresses.

2026-01-19 · 12 min

AWS S3: An error occurred (ExpiredToken)… The provided token has expired

A mysterious error from AWS when you’re not even using tokens, and how to fix it.

2024-03-12 · 1 min

Language wish list

Or: why I’m not going to use your favorite programming language.

2023-12-23 · 3 min

Reading instance tags in Amazon EC2

A useful but underdocumented procedure.

2020-11-11 · 6 min