fvdm

#!/bin/sh
vn="/usr/bin/vnstat -i eth0 -s"
echo
$vn | head -n 2 | tail -n 1 # header
$vn | tail -n 2 | head -n 1 # today
$vn | head -n 5 | tail -n 1 # month

fvdm

function busy (ms) {
  var arr = '|/―\\', i = 0;
  setInterval (function() {
    i = !arr[i] ? 0 : i;
    process.stdout.write ('\r' + arr[i] + ' ');
    i++;
  }, ms);
}

busy (90);

fvdm

var bol = require ('bolcom') ('apikey');

// Find something
bol.catalog.search ({ q: 'node.js' }, function (err, data) {
  if (err) {
    console.log ('Search failed');
    console.log (err);
  } else {
    for (var i = 0; i < data.products.length; i++) {
      var product = data.products [i];

fvdm

var geo = require ('geoip2ws') ('userId', 'licenseKey');

// console.log is limited to only 3 levels
function output (err, data) {
  console.dir (err || data, {depth: 10});
}

// Lookup Google
geo ('insights', '173.194.65.100', output);

fvdm

#!/usr/bin/env node

/*
USAGE: cat file.json | parsejson [OPTION] [PROPERTY]

Name:         parsejson
Description:  Parse JSON text to human-readable tree with syntax coloring.
Source:       https://frankl.in/code/json-cli-parser-with-syntax-coloring
Author:       Franklin (https://github.com/fvdm)
License:      Unlicense / Public Domain

fvdm

# Force download for certain URLs with ?force_download
set $forceDownload "";
set $filename "";

if ($request_filename ~ /([^/]+)$) {
	set $filename $1;
}

if ($request_uri ~ [\?&]force_download(=(?<filename>[^&$]+)|&|$)) {
	set $forceDownload "attachment; filename=\"$filename\"";

fvdm

#!/bin/sh
export arg=$@
find . -name '.git' -type d -exec bash -c 'path=${1%/.git}; echo $path; cd "$path" && git gc $arg' 0 {} \;

fvdm

# swap when less than N % mem is available
vm.swappiness = 10

# cache inodes (50 = don't shrink inode cache)
vm.vfs_cache_pressure = 50

# % memory available for all processes -- some suggest 50
vm.overcommit_ratio = 100

# 0 = fuzzy available memory guessing : bad

fvdm

#!/bin/sh
if [ $TERM = "screen" ]; then
  sudo sh -c ' \
    apt-get update \
    && apt-get $1 upgrade \
    && apt-get $1 dist-upgrade \
    && apt-get $1 autoremove \
    && apt-get clean'
else
  screen -S update ~/bin/update $1

fvdm

// Only copy new images to another folder:
require ('osx-photostream') ('~/Pictures/iCloud');

// Do more stuff with them:
var ps = require ('osx-photostream') ();

ps.on ('update', function (file) {
    console.log ('New image added: ' + file.filename);
};)