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hadoop job -list
hadoop job -kill <job_id>

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import json

from boto3 import client


def date_handler(obj):
    if hasattr(obj, 'isoformat'):
        return obj.isoformat()
    else:
        raise TypeError

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from boto3 import client


cluster_id = "<cluster-id>"
eip = "<ip>"
emrclient = client('emr', 'us-east-1')

master_instance =emrclient.list_instances(ClusterId=cluster_id, InstanceGroupTypes=['MASTER'])
master_ec2_id = master_instance['Instances'][0]['Ec2InstanceId']
ec2client = client('ec2', 'us-east-1')

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sudo visudo

[yourusername] ALL=(ALL) NOPASSWD:ALL

sudo -u [yourusername] sudo echo "success"

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func init() {
	var err error

	client, err := minio.New("doc_gen_minio:9000", "accesss", "secret", false)
	if err != nil {
		panic(err)
	}

	err = client.MakeBucket("output", "")
	if err != nil {

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defmodule Web.Tcp.Protocol do
  require Logger

  alias Web.Gateway

  @moduledoc """
    Server messages:

      - `l:logs`
        logs - should come as json array and encoded base64

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mvn install:install-file -Dfile=libparam.jar \
  -DgroupId=example.param -DartifactId=example.param\
  -Dversion=0.0.0 -Dpackaging=jar

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FROM golang:latest

RUN apt-get install -y git
RUN ln -fsn /usr/local/go/bin/go /usr/local/bin/go

RUN cd /tmp/ && wget --header "Cookie: oraclelicense=accept-securebackup-cookie" http://download.oracle.com/otn-pub/java/jdk/8u5-b13/jdk-8u5-linux-x64.tar.gz && \
      tar -zxf jdk-8u5-linux-x64.tar.gz && mv jdk1.8.0_05 /opt/

RUN update-alternatives --install /usr/bin/java java /opt/jdk1.8.0_05/bin/java 100
RUN update-alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_05/bin/javac 100

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make build
make test
make test TEST_CASE=spec/example_spec.rb

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require 'rspec'
require 'ostruct'
require 'excon'
require 'docker'
require 'securerandom'

Excon.defaults[:write_timeout] = 20000
Excon.defaults[:read_timeout] = 20000

class String