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echo 1 > /proc/sys/kernel/sysrq
echo s > /proc/sysrq-trigger #sync
echo u > /proc/sysrq-trigger #unmount + mount readonly
echo b > /proc/sysrq-trigger #reboot

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Test systemd-networkd link settings

udevadm -d test-builtin net_setup_link /sys/class/net/eth0

Testing udev rules

udevadm test /sys/class/net/eth0

Get info of network device

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#!/usr/bin/env sh

set -e

APP_NAME="myapp"
DEFINE_PREFIX="MYAPP"
BINARY="${APP_NAME}_linux_x86_64"
BASE_DIR="$PWD"
PLATFORM_DIR="$(dirname "$0")"
PLATFORM_NAME="$(basename "${PLATFORM_DIR}")"

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## Builder for NixOS configurations defined at the end of the file to be built into KVM VM's
{ system ? builtins.currentSystem }:

let
  loadcfg = cfgfile: { config, pkgs, ...}: {
    imports = [ <nixos/modules/virtualisation/qemu-vm.nix> cfgfile ];
    config = {
      networking.extraHosts = ''
        176.32.0.254 template
      '';

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// grab the URLs
var urls = $('.tile--img__img').map(function(idx, el) { return el.src});

// write the URls to file (one per line)
var textToSave = urls.toArray().join('\n');
var hiddenElement = document.createElement('a');
hiddenElement.href = 'data:attachment/text,' + encodeURI(textToSave);
hiddenElement.target = '_blank';
hiddenElement.download = 'urls.txt';
hiddenElement.click();

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# This shell defines a development environment for a c project.
{
  pkgs ? import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/39e6bf76474ce742eb027a88c4da6331f0a1526f.tar.gz") {}
}:

# Override packages if necessary
#let
#  newExample = pkgs.example.override {
#    option = example
#  };

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#!/bin/sh

# This script follows the instructions found in https://github.com/dhruvvyas90/qemu-rpi-kernel

QEMU=`which qemu-system-arm`
BASE_DIR=.
RPI_KERNEL=${BASE_DIR}/kernel-qemu-5.4.51-buster
RPI_DTB=${BASE_DIR}/versatile-pb-buster.dtb
IMAGE_BASE=2020-08-20-raspios-buster-armhf-lite
IMAGE=${IMAGE_BASE}.img

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-- Procedure to export grades for a year and class from the markbook

DROP PROCEDURE IF EXISTS customMarkbookGrades;

DELIMITER $$
CREATE PROCEDURE customMarkbookGrades (
                 IN school_year_id int(3),
                 IN year_group VARCHAR(256),
                 IN class_name VARCHAR(256),
                 IN grade_type VARCHAR(256)

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#!/bin/bash

# script from http://www.linux-kvm.org/page/Simple_shell_script_to_manage_your_virtual_machine_with_bridged_networking

######################
## Default settings ##
######################

## Directory and files
if ! [ -d $2 ]

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//
// This section is just for context
//

#include <xcb/xcb.h>
#include <stdlib.h>
#include <stdint.h>
#include <stddef.h>

typedef int8_t int8;