DNS Security

DNS over HTTPs

Animation of the AdGuard Home dashboard: general statistics, top clients, top queried domains and top blocked domains
Když už jsem se pustil do generování certifikátu pro UDR, udělal jsem certifikát pro AdGuard Home. Aby DoH fungovalo je potřeba mít wildcard certifikát. Active24 má podporu DNS-01 přes API, takže vydání není žádný problém.
Výhoda DoH je v tom, že HTTPs je už otevřené (administrace...

8th Feb 2026

Custom Certificate for UDR

The end of self-signed certificates

I decided to deploy a Let's Encrypt certificate on my Unifi Dream Router. Since I own a domain and Active24 is one of the providers that supports API access for domain management, I wanted to take advantage of it. What I needed was DNS validation — DNS-01. After...

3rd Feb 2026
Slow Cooking

Slow Cooking

Sous-vide

The days when Koko was mentioning sous-vide in her videos are long gone. But the ability to prepare meat — and of course not only meat — using this method is a fantastic option. It could be a kilo chunk of meat, chicken breasts, thighs, or carrots… the possibilities are endless.

The...

5th Jan 2026
2025

2025

2025 in review

What were the highlights of this year?

Technology: Autofocus on the A7 IV — the eye detection in particular is breathtaking.

Event: Surgery — an experience I don't want to repeat

Software: LLMs have integrated themselves into our lives

Gear: The practical and spacious...

31st Dec 2025
Linogy

Linogy

Lithium batteries

Like everyone, I use batteries (AA or AAA) quite often. My biggest consumption is AA — the thermal actuator heads devour them. There's a solution of course: Varta makes a lithium version. It's outrageously expensive and if you have multiple actuator heads... it adds up fast. This...

3rd Nov 2025
Remote-Controlled Tumbler

Remote-Controlled Tumbler

From display model to toy

When I bought and built the Lego Tumbler (76240), I thought it was a shame there were no motors and it couldn't be remote-controlled. So I started searching… and found this Lego MOD. Sourcing the parts was a challenge. The biggest headache was the motors and springs (br...

27th Sep 2025