mreinstein

// invert all colors on the page
export default function invert() {
  let css = 'html {-webkit-filter: invert(100%);' +
    '-moz-filter: invert(100%);' + 
    '-o-filter: invert(100%);' + 
    '-ms-filter: invert(100%); }',
    head = document.getElementsByTagName('head')[0],
    style = document.createElement('style')

  if (!window.counter) {

mreinstein

Find the pid of the running process if you don't know it:

$ ps ax | grep node
1012 ?        Ssl    0:03 node /usr/bin/signalhub listen -p 8000

In this case we're running a node program and it's pid is 1012