bitkevin

=== install pptpd ===

$ yum install -y ppp libpcap
$ wget "https://lnmpp.googlecode.com/files/pptpd-1.3.4-2.el6.x86_64.rpm"
$ rpm -ivh ptpd-1.3.4-2.el6.x86_64.rpm

=== vim /etc/sysctl.conf ===

net.ipv4.ip_forward = 1

bitkevin

{
  // Columns in which to display vertical rulers
  //列显示垂直标尺，在中括号里填入数字，宽度按字符计算
  "rulers": [80],

  // Set to true to insert spaces when tab is pressed
  // 设为true时，缩进和遇到Tab键时使用空格替代
  "translate_tabs_to_spaces": true,

  // The number of spaces a tab is considered equal to

bitkevin

#! /bin/bash

# test
echo -e "\033[31m[FAIL]\033[0m hello world"

# \033[0m               关闭所有属性
# \033[1m               设置高亮度
# \033[4m               下划线
# \033[5m               闪烁
# \033[7m               反显

bitkevin

#check for root user TODO: replace this with a call to "id"
if [ `whoami` != "root" ] ; then
    echo "You must run this script as root. Sorry!"
    exit 1
fi

bitkevin

#! /bin/bash

#
# @see <http://stackoverflow.com/questions/59895/can-a-bash-script-tell-what-directory-its-stored-in>
#
DIR=$(cd $(dirname "$0"); pwd) 

echo $DIR

bitkevin

package main

import (
	"flag"
	"fmt"
	"io"
	"log"
	"net"
	"os"
	"time"

bitkevin

// ---------------------------------------------------------------------
// 来自lua源码，移植性好
int luaO_log2 (unsigned int x) {
  static const lu_byte log_2[256] = {
    0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
    6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
    7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
    8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
    8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,

bitkevin

#include <string.h>
#include <stdio.h>
#include <time.h>
#include <sys/resource.h>
 
/* Saved resource information for the beginning of an operation */
static struct rusage sBegin;
 
/*
 ** Begin timing an operation

bitkevin

//---------------------------------------------------------------------
// 暴雪MPQ hash函数
//---------------------------------------------------------------------
/* 使用前要先调用函数prepareCryptTable()初始化编码表。 */
DWORD cryptTable[0x500]; /* 编码表 */
 
void prepareCryptTable() {
 DWORD seed = 0x00100001, index1 = 0, index2 = 0, i;
 
 for( index1 = 0; index1<0x100; index1++ ) {

bitkevin

<?php
ini_set('memory_limit', '256M');

function bet_lucky_number($server_seed_str, $client_seed_str, $client_nonce) {
	$str = $server_seed_str . $client_seed_str . '-' . $client_nonce;
//	$h = hash('SHA256', hash('SHA256', $str));
	$h = hash('SHA512', hash('SHA512', $str));
//	$h = hash('SHA512', $str);
//	$h = hash('SHA256', $str);
//	$h = 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff';