lichengwu

@echo off
set /p path=path:
set /p user=user:

rem 我们需要修改文件或目录的所有者

takeown /F %path% /R

rem 给用户授权文件夹或文件的完全控制权限

lichengwu

#list all changed flags
-XX:+PrintCommandLineFlags

#list all changeable flags and final default values
-XX:+PrintFlagsFinal
         
#list all changeable flags and initial default values
-XX:+PrintFlagsInitial

eg:

lichengwu

# coding=utf-8
__author__ = 'lichengwu'

import datetime
import re


'''
Garbage First Log Analyse Util
'''

lichengwu

Java中，Integer，Long等都是有-127～128的缓存的，利用反射： 可以达到攻击目的

Field value = Integer.class.getDeclaredField("value");
value.setAccessible(true);
value.set(42, 43);

同样，String这个“不变”对象也可以：

lichengwu

/**
 * 最简单的方式把一个InputStream转换成String
 *
 * @author lichengwu
 * @version 1.0
 * @created 2013-12-28 10:37 AM
 */
public class InputStreamAsString {

    public static void main(String[] args) throws IOException {

lichengwu

#!/usr/bin/python
#encoding=gbk
__author__ = 'lichengwu'
import pexpect
import sys
import getopt
import time
import os

def run_command(ip, user, password, cmd, tmo=600):

lichengwu

#!/bin/sh

DESC="Jenkins CI Server"
NAME=jenkins
PIDFILE=/var/run/$NAME.pid
RUN_AS=admin
COMMAND=JAVA_TOOL_OPTIONS=-Dfile.encoding=GBK /opt/taobao/java64/bin/java -jar -server -Xms2048m -Xmx2048m -XX:NewSize=320m -XX:MaxNewS
ize=320m -XX:PermSize=128m -XX:MaxPermSize=256m /usr/lib/jenkins/jenkins.war  --httpPort=9000
#COMMAND=/opt/taobao/java/bin/java -jar /home/jenkins/jenkins.war

lichengwu

/**
 * gc monitoring only on jdk7 or later
 *
 * @author lichengwu
 * @version 1.0
 * @created 2013-09-14 10:44 PM
 */
public class GCMonitoring {

lichengwu

/**
 * lazy init by placeholder(thread safe)
 *
 * @author lichengwu
 * @version 1.0
 * @created 2013-01-31 10:19 PM
 */
public class Resource {

    public static Resource getInstance() {

lichengwu

/**********************************************************
mail.meituan.com
@author:lichengwu
@created:2013-01-11
@version:1.0
**********************************************************/
var name="Meituan Mail";
var ver="2013-01-11";

function init(){