linux中cacti和nagios整合-白红宇

linux中cacti和nagios整合

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发布时间：2019-06-19

本文共 17779 字，大约阅读时间需要 59 分钟。

获取操作系统Centos源更新

修改更新源

rpm --import

yum update

yum -y install gcc gcc-c++ bison patch unzip mlocate flex wget automake autoconf gd cpp gettext readline-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel libidn libidn-devel openldap openldap-devel openldap-clients openldap-servers nss_ldap expat-devel libtool libtool-ltdl-devel

如果系统默认安装了apache,请先卸载.执行:

yum remove httpd

下载最新稳定版的程序源码包,以下都是到官方网站或sourceforge下载的源码包.

wget

wget ftp://ftp.p_w_picpathmagick.org/pub/ImageMagick/ImageMagick.tar.gz

wget

一.安装Mysql.安装最新稳定版5.1.44版本

tar -zxf mysql-5.1.44.tar.gz

cd mysql-5.1.44

./configure --prefix=/usr/local/mysql --enable-assembler --enable-thread-safe-client --with-extra-charsets=all --with-big-tables --with-readline --with-ssl --with-embedded-server --enable-local-infile --with-plugins=partition,innodb_plugin,myisam,myisammrg

make && make install

cd ../

groupadd mysql -g 27

useradd mysql -u 27 -g 27 -c "MySQL Server" -d /var/lib/mysql -M

cp /usr/local/mysql/share/mysql/my-medium.cnf /etc/my.cnf

/usr/local/mysql/bin/mysql_install_db --user=mysql

chown -R mysql /usr/local/mysql/var

chgrp -R mysql /usr/local/mysql/.

cp /usr/local/mysql/share/mysql/mysql.server /etc/init.d/mysql

chmod u+x /etc/init.d/mysql

chkconfig --level 345 mysql on

echo "/usr/local/mysql/lib/mysql" >> /etc/ld.so.conf

echo "/usr/local/lib" >>/etc/ld.so.conf

ldconfig

ln -s /usr/local/mysql/lib/mysql /usr/lib/mysql

ln -s /usr/local/mysql/include/mysql /usr/include/mysql

ln -s /usr/local/mysql/bin/mysql_config /usr/bin/mysql_config

service mysql start

/usr/local/mysql/bin/mysqladmin -u root password root

service mysql restart

service mysql stop

二.编译安装apache(httpd).apache的执行用户为httpd.

groupadd httpd

useradd -g httpd -s /sbin/nologin -M httpd

cd /usr/local/src

tar zxvf httpd-2.2.8.tar.gz

cd httpd-2.2.8

./configure --prefix=/usr/local/apache --enable-headers --enable-mime-magic --enable-proxy --enable-rewrite --enable-ssl --enable-suexec --disable-userdir --with-included-apr --with-mpm=prefork --with-ssl=/usr --with-suexec-caller=nobody --with-suexec-docroot=/ --with-suexec-gidmin=100 --with-suexec-logfile=/usr/local/apache/logs/suexec_log --with-suexec-uidmin=100 --with-suexec-userdir=public_html

make

make install

mkdir /usr/local/apache/domlogs

cp /usr/local/apache/bin/apachectl /etc/init.d/httpd

1.编辑/etc/init.d/httpd,在首行#!/bin/sh下添加:

# Startup script for the Apache Web Server

# chkconfig: - 85 15

# description: Apache is a World Wide Web server. It is used to serve \

# HTML files and CGI.

# processname: httpd

# pidfile: /usr/local/apache/logs/httpd.pid

# config: /usr/local/apache/conf/httpd.conf

ulimit -n 1024

ulimit -n 4096

ulimit -n 8192

ulimit -n 16384

ulimit -n 32768

ulimit -n 65535

保存退出.

2.配置apache配置参数文件httpd.conf,位于/usr/local/apache/conf/目录

cd /usr/local/apache/conf/

mv httpd.conf httpd.conf.bak

mkdir vhosts

vi httpd.conf

输入以下内容:

PidFile logs/httpd.pid

LockFile logs/accept.lock

ServerRoot "/usr/local/apache"

Listen 0.0.0.0:80

User httpd

Group httpd

ServerAdmin

ServerName nagios.gviva.com

Timeout 300

KeepAlive Off

MaxKeepAliveRequests 100

KeepAliveTimeout 5

UseCanonicalName Off

AccessFileName .htaccess

TraceEnable Off

ServerTokens ProductOnly

FileETag None

ServerSignature Off

HostnameLookups Off

# LoadModule perl_module modules/mod_perl.so

DocumentRoot "/usr/local/apache/htdocs"

Options ExecCGI FollowSymLinks Includes IncludesNOEXEC -Indexes -MultiViews SymLinksIfOwnerMatch

Order allow,deny

Allow from all

AllowOverride All

</Directory>

Options Includes -Indexes FollowSymLinks

AllowOverride None

Order allow,deny

Allow from all

</Directory>

DefaultType text/plain

RewriteEngine on

AddType text/html .shtml

AddHandler cgi-script .cgi .pl .plx .ppl .perl

AddHandler server-parsed .shtml

TypesConfig conf/mime.types

AddType application/perl .pl .plx .ppl .perl

AddType application/x-img .img

AddType application/x-httpd-php .php .php3 .php4 .php5 .php6

AddType application/x-httpd-php-source .phps

AddType application/cgi .cgi

AddType text/x-sql .sql

AddType text/x-log .log

AddType text/x-config .cnf conf

AddType text/x-registry .reg

AddType application/x-compress .Z

AddType application/x-gzip .gz .tgz

AddType text/html .shtml

AddType application/x-tar .tgz

AddType application/rar .rar

AddType application/x-compressed .rar

AddType application/x-rar .rar

AddType application/x-rar-compressed .rar

AddType text/vnd.wap.wml .wml

AddType p_w_picpath/vnd.wap.wbmp .wbmp

AddType text/vnd.wap.wmlscript .wmls

AddType application/vnd.wap.wmlc .wmlc

AddType application/vnd.wap.wmlscriptc .wmlsc

</IfModule>

DirectoryIndex index.html index.htm index.shtml index.php index.perl index.pl index.cgi

</IfModule>

Order allow,deny

Deny from all

Satisfy All

</Files>

Order allow,deny

Deny from all

Satisfy All

</FilesMatch>

ErrorLog "logs/error_log"

LogLevel warn

LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined

LogFormat "%h %l %u %t \"%r\" %>s %b" common

LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio

</IfModule>

CustomLog "logs/access_log" common

</IfModule>

ScriptAlias /cgi-bin/ "/usr/local/apache/cgi-bin/"

</IfModule>

AllowOverride None

Options None

Order allow,deny

Allow from all

</Directory>

StartServers 3

MinSpareServers 3

MaxSpareServers 5

MaxClients 150

MaxRequestsPerChild 1024

</IfModule>

Header set Cache-Control "max-age=3600, must-revalidate"

</FilesMatch>

</IfModule>

ReadmeName README.html

HeaderName HEADER.html

IndexIgnore .??* *~ *# HEADER* README* RCS CVS *,v *,t

Include conf/extra/httpd-languages.conf

SetHandler server-status

Order deny,allow

Deny from all

Allow from 127.0.0.1

</Location>

ExtendedStatus On

SetHandler server-info

Order deny,allow

Deny from all

Allow from 127.0.0.1

</Location>

Listen 0.0.0.0:443

AddType application/x-x509-ca-cert .crt

AddType application/x-pkcs7-crl .crl

SSLCipherSuite ALL:!ADH:+HIGH:+MEDIUM:-LOW:-SSLv2:-EXP

SSLPassPhraseDialog builtin

SSLSessionCache dbm:/usr/local/apache/logs/ssl_scache

SSLSessionCacheTimeout 300

SSLMutex file:/usr/local/apache/logs/ssl_mutex

SSLRandomSeed startup builtin

SSLRandomSeed connect builtin

</IfModule>

#Vhosts

NameVirtualHost 127.0.0.1:80

NameVirtualHost *

ServerName host.evlit.com

DocumentRoot /var/www/html

ServerAdmin

</VirtualHost>

Include conf/vhosts/*上述出现的127.0.0.1请改为你本机公网IP.

配置apache

将下面的内容加入apache配置文件的alias模块<IfModule alias_module>

ScriptAlias /nagios/cgi-bin "/usr/local/nagios/sbin"

# SSLRequireSSL

Options ExecCGI

AllowOverride None

Order allow,deny

Allow from all

# Order deny,allow

# Deny from all

# Allow from 127.0.0.1

AuthName "Nagios Access"

AuthType Basic

AuthUserFile /usr/local/nagios/etc/htpasswd.users

Require valid-user

</Directory>

Alias /nagios "/usr/local/nagios/share"

# SSLRequireSSL

Options None

AllowOverride None

Order allow,deny

Allow from all

# Order deny,allow

# Deny from all

# Allow from 127.0.0.1

AuthName "Nagios Access"

AuthType Basic

AuthUserFile /usr/local/nagios/etc/htpasswd.users

Require valid-user

</Directory>

安装服务并开机启动

chmod 755 /etc/init.d/httpd

chkconfig --add httpd

chkconfig --level 345 httpd on

service httpd start

三.编译安装php(mod_php)

1.编译安装相关支持库

tar -zxf libiconv-1.13.1.tar.gz

cd libiconv-1.13.1/

./configure

make

make install

cd ../

tar -jxf libmcrypt-2.5.8.tar.bz2

cd libmcrypt-2.5.8/

./configure

make

make install

/sbin/ldconfig

cd libltdl/

./configure --enable-ltdl-install

make

make install

cd ../

tar -jxf mhash-0.9.9.9.tar.bz2

cd mhash-0.9.9.9/

./configure

make

make install

ln -s /usr/local/lib/libmcrypt.la /usr/lib/libmcrypt.la

ln -s /usr/local/lib/libmcrypt.so /usr/lib/libmcrypt.so

ln -s /usr/local/lib/libmcrypt.so.4 /usr/lib/libmcrypt.so.4

ln -s /usr/local/lib/libmcrypt.so.4.4.8 /usr/lib/libmcrypt.so.4.4.8

ln -s /usr/local/lib/libmhash.a /usr/lib/libmhash.a

ln -s /usr/local/lib/libmhash.la /usr/lib/libmhash.la

ln -s /usr/local/lib/libmhash.so /usr/lib/libmhash.so

ln -s /usr/local/lib/libmhash.so.2 /usr/lib/libmhash.so.2

ln -s /usr/local/lib/libmhash.so.2.0.1 /usr/lib/libmhash.so.2.0.1

ln -s /usr/local/bin/libmcrypt-config /usr/bin/libmcrypt-config

cd ../

tar -zxf mcrypt-2.6.8.tar.gz

cd mcrypt-2.6.8/

/sbin/ldconfig

./configure

make

make install

2.编译php,这里我们为php打入补丁.有助于防止邮件发送被滥用(多用户)以及在邮件中提供有价值的信息.

补丁介绍信息请点击:http://www.lancs.ac.uk/~steveb/patches/php-mail-header-patch/

tar -zxf php-5.2.13.tar.gz

patch -d php-5.2.13 -p1 < php5-mail-header.patch

cd php-5.2.13

./configure --prefix=/usr/local --with-config-file-path=/etc --with-apxs2=/usr/local/apache/bin/apxs --enable-bcmath --enable-calendar --enable-exif --enable-ftp --enable-gd-native-ttf --enable-libxml --enable-magic-quotes --enable-mbstring --enable-pdo=shared --enable-soap --enable-sockets --enable-zip --with-bz2 --with-curl --with-curlwrappers --with-freetype-dir --with-gd --with-gettext --with-jpeg-dir --with-kerberos --with-libexpat-dir=/usr --with-libxml-dir=/usr --with-mcrypt=/usr --with-mhash=/usr --with-mysql=/usr --with-mysql-sock=/var/lib/mysql/mysql.sock --with-mysqli=/usr/bin/mysql_config --with-openssl=/usr --with-openssl-dir=/usr --with-pdo-mysql=shared --with-pdo-sqlite=shared --with-png-dir=/usr --with-sqlite=shared --with-ttf --with-xmlrpc --with-zlib -with-zlib-dir=/usr --enable-pcntl

make ZEND_EXTRA_LIBS='-liconv'

make install

cp php.ini-dist /etc/php.ini

cd ../

3.安装php扩展模块

tar -zxf memcache-2.2.5.tgz

cd memcache-2.2.5/

phpize

./configure --with-php-config=/usr/local/bin/php-config --with-zlib-dir --enable-memcache

make

make install

cd ../

tar -jxf eaccelerator-0.9.6.tar.bz2

cd eaccelerator-0.9.6/

phpize

./configure --enable-eaccelerator=shared --with-php-config=/usr/local/bin/php-config

make

make install

mkdir -p /tmp/eaccelerator

chmod 777 /tmp/eaccelerator

echo "mkdir -p /tmp/eaccelerator" >> /etc/rc.local

echo "chmod 777 /tmp/eaccelerator" >> /etc/rc.local

cd ../

tar -zxf ImageMagick.tar.gz

cd ImageMagick-*

./configure

make

make install

cd ../

tar -zxf imagick-2.3.0.tgz

cd imagick-2.3.0/

phpize

./configure --with-php-config=/usr/local/bin/php-config

make

make install

cd ../

tar -zxf suhosin-0.9.29.tgz

cd suhosin-0.9.29

phpize

./configure

make

make install

cd ../

tar -zxf ioncube_loaders_lin_x86.tar.gz

cd ioncube

mkdir /usr/local/ioncube

mv ioncube_loader_lin_5.2.so /usr/local/ioncube/

cd /usr/local/src

tar -zxf ZendOptimizer-3.3.9-linux-glibc23-i386.tar.gz

mkdir -p /usr/local/Zend/lib/Optimizer-3.3.9/php-5.2.x

cp ZendOptimizer-3.3.9-linux-glibc23-i386/data/5_2_x_comp/ZendOptimizer.so /usr/local/Zend/lib/Optimizer-3.3.9/php-5.2.x/ZendOptimizer.so

3.1.修改php.ini.

查找/etc/php.ini中的extension_dir = "./".将其修改为extension_dir = "/usr/local/lib/php/extensions/no-debug-non-zts-20060613/"

查找;include_path = ".:/php/includes",删除前面的分号,并修改为include_path = ".:/usr/lib/php:/usr/local/lib/php"

跳到最后一行,然后添加以下内容:

extension = "memcache.so"

extension = "pdo.so"

extension = "pdo_mysql.so"

extension = "pdo_sqlite.so"

extension = "sqlite.so"

extension = "eaccelerator.so"

eaccelerator.shm_size = 32

eaccelerator.cache_dir = "/tmp/eaccelerator"

eaccelerator.enable = 1

eaccelerator.optimizer = 0

eaccelerator.debug = 0

eaccelerator.name_space = ""

eaccelerator.check_mtime = 1

eaccelerator.filter = ""

eaccelerator.shm_max = 0

eaccelerator.shm_ttl = 7200

eaccelerator.shm_prune_period = 7200

eaccelerator.shm_only = 1

eaccelerator.compress = 0

eaccelerator.compress_level = 9

eaccelerator.keys = shm

eaccelerator.sessions = shm

eaccelerator.content = shm

zend_extension = "/usr/local/ioncube/ioncube_loader_lin_5.2.so"

zend_extension = "/usr/local/Zend/lib/Optimizer-3.3.9/php-5.2.x/ZendOptimizer.so"

4,安装Memcached(可选)

cd /usr/local/src

tar -xzf libevent-1.4.13-stable.tar.gz

cd libevent-1.4.13-stable

./configure

make

make install

ln -s /usr/local/lib/libevent-1.4.so.2 /usr/lib

cd ../

tar -xzf memcached-1.4.4.tar.gz

cd memcached-1.4.4

./configure --with-libevent=/usr

make

make install

基本使用方法:

启动:/usr/local/bin/memcached -d -m 64 -p 11211 -u nobody -l localhost

关闭:killall -9 memcached

以下内容为安装Nagios3.2.3：

下载Nagios3.2.3,Nagios-plugins1.4.15,nrpe2.12,nsclient++

wget

Nagios3.2.3,Nagios-plugins1.4.15,nrpe2.12安装在监控服务器上。

去下载nrpe和nsclient++插件。

nrpe2.12安装在Linux/Unix被监控端。

nsclient++安装在Windows被监控端。

创建帐号及组

创建帐号

useradd -m nagios

passwd nagios

加入Nginx用户组

/usr/sbin/usermod -a -G httpd nagios

httpd 为运行Nginx的帐号。

安装nagios

tar xvf nagios-cn-3.2.3.tar.bz2

cd nagios-cn-3.2.3

./configure --with-command-group=httpd --prefix=/usr/local/nagios --with-gd-lib=/usr --with-gd-inc=/usr

make all

使用make install来安装主程序,CGI和HTML文件

make install

使用make install-init在/etc/rc.d/init.d安装启动脚本

make install-init

使用make install-cofig来安装示例配置文件,安装的路径是/usr/local/nagios/etc.

make install-config

使用make install-commandmode来配置目录权限

make install-commandmode

nagios目录功能的简要说明：

bin Nagios执行程序所在目录，nagios文件即为主程序

etc Nagios配置文件位置

sbin Nagios Cgi文件所在目录，也就是执行外部命令所需文件所在的目录

Share Nagios网页文件所在的目录

var Nagios日志文件、spid 等文件所在的目录

var/archives 日志归档目录

var/rw 用来存放外部命令文件

创建Nginx目录验证文件

需要使用有apache服务器创建密码文件

/usr/local/apache/bin/htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

New password: (输入密码)

Re-type new password: (再输入一次密码)

Adding password for user nagiosadmin

当然也可以使用perl 创建密码文件新建一个 pw.pl 文件其内容：

#!/usr/bin/perl

use strict;

my $pw=$ARGV[0] ;

print crypt($pw,$pw)."\n";

然后执行 chmod +x pw.pl

./pw.pl password

papAq5PwY/QQM

papAq5PwY/QQM 就是password 的crypt()密码

然后将上面用 perl 生成的加密后的密码

按照

用户名:密码

的格式写到 htpasswd 文件中

这样既完成了设置

配置nagios配置文件

vi /usr/local/nagios/etc/objects/contacts.cfg

将里面的email地址改为自己的email地址。

cd ../

安装Nagios插件

tar xzvf nagios-plugins-1.4.15.tar.gz

cd nagios-plugins-1.4.15

./configure --with-nagios-user=nagios --with-nagios-group=httpd

make

make install

安装nagios-snmp-plugins

nagios-snmp-plugins是一套用Perl编写的通过SNMP方式监控主机的插件程序。

wget

tar xzf nagios-snmp-plugins.1.1.1.tgz

cd nagios_plugins

配置check_snmp_int.pl这些插件的使用时需要配置cpan，CPAN是Comprehensive Perl Archive Network的缩写.。它是一个巨大的Perl软件收藏库，收集了大量有用的Perl模块(modules)及其相关的文件。这里主要是使用Perl-Net-SNMP模块。有两种方式安装：

A）通过CPAN来安装

#perl -MCPAN -e shell

cpan> install Net::SNMP

B) 手工安装

首先去官方网站下载以下几个模块

Crypt::DES

Digest::MD5

Digest::SHA1

Digest::HMAC

Net::SNMP

下载后对于每个模块依次按照下面的方式安装

tar zxf <module>.tar.gz <module>表示模块名，具体请按上面提到的模块替换

cd <module> <module>表示模块名，具体请按上面提到的模块替换

perl Makefile.pl

make test

make install

注意：Net::SNMP模块必须在最后安装。至此Net::SNMP手动安装完毕

./install.sh

执行nagios-snmp-plugins安装脚本,执行之后会将插件命令安装到/usr/local/nagios/libexec下

启动Nagios

配置机器启动时自动启动Nagios

chkconfig --add nagios

chkconfig nagios on

检查Nagios配置文件

/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

启动Nagios

service nagios start

2).如果开启防火墙，应该允许访问apache（一般为80端口）并允许nagios去抓取被监控机信息（一般nrpe为5666端口）。

访问Nagios服务器

输入用户名及密码登录。

安装nrpe插件，用来监控Linux机器

tar xzvf nrpe-2.12.tar.gz

cd nrpe-2.12

./configure

make all

在Nagios服务器端只要安装nrpe监控插件就行

make install-plugin

在/usr/local/nagios/etc/objects/commands.cfg中定义check_nrpe命令

vi /usr/local/nagios/etc/objects/commands.cfg

########################################################################

# 2008.11.18 add by Stone

# NRPE COMMAND

########################################################################

# 'check_nrpe ' command definition

define command{

command_name check_nrpe

command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$

}

在被监控服务器（Linux/unix）上安装Nagios-plugins和nrpeuseradd nagios

tar xzvf nagios-plugins-1.4.15.tar.gz

cd nagios-plugins-1.4.15

Nagios-plugins默认安装到/usr/local/nagios

./configure

make

make install

chown nagios.nagios /usr/local/nagios/

chown -R nagios.nagios /usr/local/nagios/libexec/

tar xzvf nrpe-2.12.tar.gz

cd nrpe-2.12

./configure

make all

安装nrpe插件，本监控端可以不装

make install-plugin

安装nrpe守护进程

make install-daemon

安张nrpe配置文件

make install-daemon-config

修改nrpe配置文件，允许Nagios监控服务器（NagiosServer IP）监控

vi /usr/local/nagios/etc/nrpe.cfg

多台机器用逗号隔开

allowed_hosts=127.0.0.1,（NagiosServer IP)

以独立守护进程启动nrpe，也可以使用xinetd启动nrpe，具体清查看nrpe官方文档。

/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d

开机自动启动nrpe

vi /etc/rc.d/rc.local

加入下面行

/usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d

检查nrpe是否安装正常

/usr/local/nagios/libexec/check_nrpe -H localhost

NRPE v2.12

返回nrpe版本说明安装没问题。

查看启动端口

如果有防火墙应该开放5666端口：

＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊

注意：我们需要在/usr/local/nagios/etc/nrpe.cfg中定义我们用到的监控本地资源的命令。

下面的命令是默认定义的：

command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10

command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20

command[check_hda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/hda1

command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z

command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200

复制代码下面的命令是自己定义的：

＃监控交换分区的使用情况，使用超过20％时为警告状态，超过10％时为严重状态

command[check_swap]=/usr/local/nagios/libexec/check_swap -w 20% -c 10%

＃监控根分区磁盘使用情况

command[check_disk_root]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /

＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊＊

附：

做好必要的安全工作

设置用户家目录/home/user,相关配置参数文件,以及访问日志等目录的权限.

chmod 711 /home

chmod 711 /usr/local/pureftpd

chmod 711 /usr/local/apache/conf/vhosts

chmod 711 /usr/local/apache/domlogs

chmod 711 /usr/local/apache/logs

转载于:https://blog.51cto.com/wujingfeng/1020213

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