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From a new installation

sudo usermod -aG docker $USER

Adding your user to the docker group. OBS! Follow up with a login-logout process of the session.

---

From a manager node

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remove last commit from git and github

git push -f origin HEAD^:master

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#!/bin/bash

# note that all commits will have the same commit message
if [ $# -eq 1 ]; then
  MSG=$1
else
  read -p "commit message: " MSG
fi

for d in */ ; do

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#!/bin/bash

docker run \
  -it \
  --rm \
  --volume  /etc/localtime:/etc/localtime:ro \
  --volume  `pwd`/.npmrc:/root/.npmrc \ # notice the login credentials that needs to be mounted
  --volume  `pwd`:/app \
  --workdir /app \
  node /bin/bash -c "

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(seed) =>
{
  const  n = Math.sin(seed);
  return n - Math.floor(n);
};

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# settig default permissions, r/rw to your user and your default group
umask 0002

# return if not running interactively
[ -z "$PS1" ] && return

# don't put duplicate lines or lines starting with space in the history
HISTCONTROL=ignoreboth:erasedups

# ignores placing the exit command in history

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(function($)
{
  $(document).on('input', 'textarea', function()
  {
    var $this = $(this);
    var padTop = parseInt($this.css('padding-top'),     10);
    var padBot = parseInt($this.css('padding-bottom'),  10);
    $this.height(0);
    var scroll = $this.prop('scrollHeight');
    $this.height(scroll - padTop - padBot);

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<?php

function actionByBit($actions, $dec, $bits)
{
  for($i = 0, $count = count($actions); $bits > 0; $i++)
    if($dec & 1 << --$bits && $i < $count)
      $actions[$i]();
}

$hex     = '70 0C 00 00';

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FROM ubuntu:14.04

ENV DEBIAN_FRONTEND noninteractive

RUN ln -snf /usr/share/zoneinfo/Europe/Madrid /etc/localtime && echo "Europe/Madrid" > /etc/timezone

RUN apt-get -y update && apt-get -y install \
  build-essential g++ flex bison gperf ruby perl libsqlite3-dev libfontconfig1-dev libicu-dev \
  libfreetype6 libssl-dev libpng-dev libjpeg-dev python libx11-dev libxext-dev git

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FROM ubuntu:14.04

ENV DEBIAN_FRONTEND noninteractive

RUN ln -snf /usr/share/zoneinfo/Europe/Madrid /etc/localtime && echo "Europe/Madrid" > /etc/timezone

RUN apt-get -y update && apt-get -y install \
  build-essential git python

RUN git clone git://github.com/nodejs/node.git /tmp/nodejs \