Ohad Lutzky

A person/tech/code blog of a coder/techie/person. Like calculus in a kiddie pool, the author of this blog is known to be quite shallow and pedantic.

Remote White Noise

One young-child-parenting trick that has worked well for us is white noise. It might be because it emulates in-the-womb-noises, drowns out other noises, or gives baby something to fixate on - but it often does a great job of calming him to sleep. Nearly a year old now, he thankfully doesn’t usually need it for night sleeps, but it’s helpful for a “cranky-because-tired” nap or getting him to sleep for another half-hour when he decides to wake up very early....

May 21, 2022 · 4 min · Ohad Lutzky

Preloading disk encryption keys

How to enter passphrases BEFORE rebooting your server

January 26, 2022 · 5 min · Ohad Lutzky

Newborn parenting software - part 3

Transitioning PooButtons to a microcontroller

October 10, 2021 · 4 min · Ohad Lutzky

Newborn parenting software - part 2

Logging diapers with satisfying clicks

October 5, 2021 · 4 min · Ohad Lutzky

Newborn parenting software - part 1

Choosing and hacking on baby tracking apps

October 3, 2021 · 6 min · Ohad Lutzky

Code comments

Good code comments only describe why the code is (or isn’t!) doing something. ...

May 2, 2021 · 4 min · Ohad Lutzky


An adventure with Raspberry Pi, Golang, and small displays.

March 14, 2021 · 4 min · Ohad Lutzky

Server drawer

A quick look at my partner-approved “server drawer”

January 3, 2021 · 2 min · Ohad Lutzky

WFH Wifi

My adventures in setting up wifi when working from home, working around limitations of my apartment form factor.

December 10, 2020 · 6 min · Ohad Lutzky

Editing old family videos

Messing with old video from tapes, simple audio corrections, splitting and organizing for the family’s benefit.

November 7, 2020 · 5 min · Ohad Lutzky