DNS Security

DNS over HTTPs

68747470733a2f2f63646e2e6164746964792e6f72672f7075626c69632f416467756172642f436f6d6d6f6e2f616467756172645f686f6d652e676966
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

Konec self-signed certifikátům

Rozhodl jsem se nasadit Let's Encrypt certifikát na Unifi Dream Router. Protože disponuju doménou a Active24 je jeden z providerů, který podporuje API přístup ke správě domény chtěl jsem toho využít. To co jsem potřeboval je ověření skrz DNS, DNS-01. Po chvíli pátrán...

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