Archive for December 2017

Circuit breakers for mains panel

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current, typically resulting from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. In small mains and low voltage circuit breakers, fault current is usually done

Learn just enough Linux to get things done — petralia The notion that “you can only be good at one thing” is not a roadmap to mastery but rather a prescription for premature optimization. You can only know what you’re good at once you’ve sampled a lot of things - and you may just find that you’re good at a lot of them.  The Windows ecosystem

Motor protector teardown

Electrical motors need protection devices. EATON Moeller PKZM0-0.63 is a Motor Protective Circuit Breaker with manually actuated motor-protective circuit-breaker IEC/EN 60947-4-1, VDE 0660 part 102, rotating handle with clear switch position display ON and OFF. The current rating of this AC motor protection device can be adjusted from 0.4A to 0.63A. In addition to thermal

We’re hitting rock bottom in cyber — let’s do something | TechCrunch When it comes to the cybersecurity problem, where is rock bottom? Was it WannaCry, a ransomware attack. Or similar and perhaps even worse attack that hit just weeks later? Was it the Yahoo breaches? Or Equifax and Uber? Intel and Apple leaving our computer management accounts wide open? Banking computer systems hacked and many millions stolen? Or critical infrastructure hackers

Slush 2017

Slush advertisesises itself as The world’s leading startup event, Nov 30– Dec 1 in Helsinki. Slush connects startups & tech talent with top-tier investors, executives and media. I will not be there, but I will add links to some news from there in comments.

TLDR is what Linux man pages always should have been Man — which is short for manual — retrieves documentation for a given program, but that documentation is not always easies to understand. TLDR documentation focuses on offering practical example-driven instructions of how something works.