Firmware updates on a live network
14 May 2026
The two common policies are update everything immediately and update nothing ever. Both are decisions nobody made deliberately.
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Written by the engineers on the job.
Field notes, post-mortems and configuration guides. No product announcements, no reposted vendor marketing.
NAS permissions that do not become a liability
30 April 2026
Shared drives fail slowly. Every exception is reasonable on the day it is made, and the result is a share where everyone can read everything.
Read more about NAS permissions that do not become a liabilityRecorder storage: buy retention days, not terabytes
16 April 2026
The incident is discovered on day six and the recorder kept four. The arithmetic that avoids it takes ten minutes and is almost never done.
Read more about Recorder storage: buy retention days, not terabytesCooling a server room that used to be a cupboard
2 April 2026
Most small server rooms are rooms that were available, not rooms that were chosen. The equipment does not know that, and heat is the reason a five-year server lasts three.
Read more about Cooling a server room that used to be a cupboardA two-factor rollout that staff will actually use
19 March 2026
The technology is the easy half. The rollout fails on the twelve people who share a login, the director who will not install an app, and the day the phone is lost.
Read more about A two-factor rollout that staff will actually useWhy Cat6A when the switches are only gigabit
5 March 2026
The cable outlives the switches on both ends, twice over. Choosing it for the equipment being installed today is choosing it for the equipment being thrown away first.
Read more about Why Cat6A when the switches are only gigabitWhen to refresh a laptop fleet, and when not to
19 February 2026
A three-year cycle is a habit, not an analysis. The machines that need replacing are identifiable, and they are not the oldest ones.
Read more about When to refresh a laptop fleet, and when not toA site-to-site VPN between two offices, without the surprises
5 February 2026
Two firewalls, one tunnel, and the four things that turn "it connected" into "it works": addressing, routing, DNS and the phone line that goes down every Tuesday.
Read more about A site-to-site VPN between two offices, without the surprises
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