zoilomora

How to disable cloud-init in Ubuntu

Prevent start

• Create an empty file to prevent the service from starting

    sudo touch /etc/cloud/cloud-init.disabled
  

Uninstall

caadar

Autologin a user at the console (NixOS)

Problem

NixOS provide services.mingetty.autologinUser option, but it can’t be used for the specific TTY.

Minimal working example

TTY1 and user “guest”:

sbyx

blueprint:
  name: Low battery level detection & notification for all battery sensors
  description: Regularly test all sensors with 'battery' device-class for crossing
    a certain battery level threshold and if so execute an action.
  domain: automation
  input:
    threshold:
      name: Battery warning level threshold
      description: Battery sensors below threshold are assumed to be low-battery (as
        well as binary battery sensors with value 'on').

prologic

Learn Go in ~5mins

This is inspired by A half-hour to learn Rust and Zig in 30 minutes.

Basics

Your first Go program as a classical "Hello World" is pretty simple:

First we create a workspace for our project:

thehans

$fs=0.2;
$fa=0.2;

headNum = 2;

phillipsDrive(headNum);
//phillipsDemo(headNum);

module phillipsDemo(num) {
  difference() {