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PHANTOMJS_CDNURL=https://npm.taobao.org/dist/phantomjs npm install phantomjs --registry=https://registry.npm.taobao.org --no-proxy

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#!/usr/bin/env python
"""
Read item history from zabbix, and plot as histogram
"""
import matplotlib
import numpy as np
import matplotlib.mlab as mlab
import matplotlib.pyplot as plt
import requests
import json

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#!groovy
@NonCPS
def getACIChangeSets() {
  def aci = []
  currentBuild.rawBuild.getChangeSets().each { cs ->
    cs.getItems().each { item ->
      item.getAffectedFiles().each { f ->
        if (f.path.endsWith(".yml")) {
          aci << f.path
        }

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require 'faraday'
require 'faraday_middleware'
require 'json'

# Debug: 
# require "pry"


country_code_src = "USD"

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Resize a Hard Disk for a Virtual Machine

Our Virtual Machines are provisioned using Vagrant from a Linux base box to run using VirutalBox. If the Hard Disk space runs out and you cannot remove files to free-up space, you can resize the Hard Disk using some VirtualBox and Linux commands.

Some assumptions

The following steps assume you've got a set-up like mine, where:

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#!/usr/bin/env bash


# create self-signed server certificate:

read -p "Enter your domain [www.example.com]: " DOMAIN

echo "Create server key..."

openssl genrsa -out $DOMAIN.key 2048

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Installing ELK (CentOS)

This is a short step-by-step guide on installing ElasticSearch LogStash and Kibana Stack on a CentOS environment to gather and analyze logs.

I. Install JDK

rpm -ivh https://dl.dropboxusercontent.com/u/5756075/jdk-7u45-linux-x64.rpm

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#! /bin/sh
### BEGIN INIT INFO
# Provides:          logstash
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start daemon at boot time
# Description:       Enable service provided by daemon.
### END INIT INFO

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# if you are in python3.X env, you should run 
sudo apt-get install python3-dev
sudo apt-get install libevent-dev
sudo apt-get install libncurses5-dev
# if you are in python2.x env, then sudo apt-get install python-dev

# install readline
pip install readline

# config $HOME/.bashrc

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#!/usr/bin/env bash

# if you are in python3.X env, you should run
sudo apt-get -y install python3-dev libevent-dev libncurses5-dev
# if you are in python2.x env, then sudo apt-get install python-dev

# install readline
pip install readline

# config $HOME/.bashrc