nicklasfrahm

#!/bin/bash

if [ "$1" != "start" ] && [ "$1" != "stop" ]; then
    echo "usage: ./chroot.sh <start|stop> <rootfs>"
    exit 1;
fi
ACTION=$1

if [ ! -d "$2" ]; then
    echo "error: invalid directory: $2"

nicklasfrahm

total 38M
drwxr-xr-x  2 nicklasfrahm nicklasfrahm 4.0K Nov 10 00:01 .
drwxr-xr-x 13 nicklasfrahm nicklasfrahm 4.0K Nov 10 00:12 ..
-rwxr-xr-x  1 nicklasfrahm nicklasfrahm 8.4M Nov 10 00:01 audit
-rwxr-xr-x  1 nicklasfrahm nicklasfrahm  13M Nov 10 00:01 gateway-http
-rwxr-xr-x  1 nicklasfrahm nicklasfrahm 9.0M Nov 10 00:01 mail
-rwxr-xr-x  1 nicklasfrahm nicklasfrahm 8.3M Nov 10 00:01 status

nicklasfrahm

Linux configuration

This document is a collection of useful commands and configurations to set up a Linux system, because I am lazy and I don't want to remember them by heart.

Set up passwordless sudo

Switch to the user, you would like to set passwordless sudo up for and run:

echo "$(whoami) ALL=(ALL) NOPASSWD: ALL" | sudo tee /etc/sudoers.d/$(whoami)

nicklasfrahm

ssh-rsa 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

nicklasfrahm

PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

nicklasfrahm

const spacer = '--------------------------------------------------';
const decToBin = (dec, paddingCount = 8) =>
  dec.toString(2).padStart(paddingCount, '0');
const sliceBits = (dec, start, end) => {
  const positiveMask = 2 ** (end + 1) - 1;
  const negativeMask = 2 ** start - 1;
  return (dec & (positiveMask - negativeMask)) >> start;
};
const round = (num, digits = 2) =>
  +(Math.round(num + `e+${digits}`) + `e-${digits}`);

nicklasfrahm

const spacer = '--------------------------------------------------';
const decToBin = (dec, paddingCount = 8) =>
  dec.toString(2).padStart(paddingCount, '0');

console.log(`${spacer}\nExercise 1\n${spacer}`);
{
  const addressSize = 8;
  const addressReferences = [3, 180, 43, 2, 191, 88, 190, 2, 88];
  const indexes = {};

nicklasfrahm

#!/usr/bin/env bash

RED='\033[1;31m'
BLUE='\033[1;34m'
RESET='\033[0m'

# Select compiler.
# COMPILER=x86_64-w64-mingw32-g++
COMPILER=g++

nicklasfrahm

const { promisify } = require('util');
const fs = require('fs');
const path = require('path');
const jimp = require('jimp');
const mm = require('music-metadata');
const Id3Writer = require('browser-id3-writer');

const start = Date.now();

const writeFile = promisify(fs.writeFile);

nicklasfrahm

#!/usr/bin/env bash

echo "noop noop"