edisonlz

必胜公考

1. 产品定位
   公务员在线备考服务平台
   课程，题库，问答，资讯，班级

2. 盈利（转化路径）
   新增 - 低价课/免费课 - 系统课 - 线下封闭班

3. 提供公司运营效率

edisonlz

一、基本介绍

LVS是工作在内核内间的TCP/IP协议栈上,且监控在INPUT链上,所以一般情况下LVS 和iptables 最好不要同时使用.

Keepalived是一个基于ARRP协议来实现高可用的服务，keepalived能够自己调用ipvsadm命令生成规则，能够自动实现，将主节点的VIP以及ipvs规则“拿过来”，应用在从节点上，继续为用户服务。还可以实现对后端realserver的健康状况做检测。

LVS三种工作模式（NAT、DR、TUN）, 通常用的最多的是DR模式

edisonlz

grep rw-p /proc/$1/maps | sed -n 's/^\([0-9a-f]*\)-\([0-9a-f]*\) .*$/\1 \2/p' | while read start stop; do; done  


grep rw-p /proc/25396/maps  

gdb --batch --pid 25396 -ex "dump memory a.dump 0x2ab09ee3f000 0x2ab176e40000"

edisonlz

local redis = {
    _VERSION     = 'redis-lua 2.0.5-dev',
    _DESCRIPTION = 'A Lua client library for the redis key value storage system.',
    _COPYRIGHT   = 'Copyright (C) 2009-2012 Daniele Alessandri',
}

-- The following line is used for backwards compatibility in order to keep the `Redis`
-- global module name. Using `Redis` is now deprecated so you should explicitly assign
-- the module to a local variable when requiring it: `local redis = require('redis')`.
Redis = redis

edisonlz

/**
 * The first commented line is your dabblet’s title
 */

div {border:1px;border-color:#ECE}

div#one p{display:inline;width:50px}
div#two p{display:block}
div#three p{display:inline-block;width:50px}

edisonlz

/**
 * The first commented line is your dabblet’s title
 */
body{
background: #f06;
background: linear-gradient(45deg, #f06, yellow);
min-height:100%;}

div {color:white;}
p:first-letter{color:#ECE;font-size:30px;}

edisonlz

/**
 * The first commented line is your dabblet’s title
 */
body{
background: #f06;
background: linear-gradient(45deg, #f06, yellow);
min-height:100%;}

div {color:white;}
p:first-letter{color:#ECE;font-size:30px;}

edisonlz

/**
 * The first commented line is your dabblet’s title
 */

body{
	background: #f06;
	background: linear-gradient(45deg, #f06, yellow);
	min-height:100%;
}

edisonlz

/**
 * The first commented line is your dabblet’s title
*/

body{
	background: #f063;
	background: linear-gradient(45deg, #f06, yellow);
	min-height:100%;
	font-size: 20px;
	line-height: 2em;

edisonlz

/**
 * The first commented line is your dabblet’s title
*/

body{
	background: #f063;
	background: linear-gradient(45deg, #f06, yellow);
	min-height:100%;
	font-size: 20px;
	line-height: 2em;