1. 程式人生 > >LNMP+tomcat部署discuz、dedecms及zrlog

LNMP+tomcat部署discuz、dedecms及zrlog

搭建lnmp

Mysql的安裝

· 移動到安裝包存放路徑:

cd /usr/local/src/

· 下載MySQL的二進位制免編譯包:

wget http://mirrors.163.com/mysql/Downloads/MySQL-5.6/mysql-5.6.39-linux-glibc2.12-x86_64.tar.gz

·解壓mysql原始碼包檔案:

tar -zxvf mysql-5.6.39-linux-glibc2.12-x86_64.tar.gz

·移動解壓後的目錄並更名:

mv mysql-5.6.39-linux-glibc2.12-x86_64 /usr/local/mysql

·移動至mysql目錄下:

cd /usr/local/mysql

·建立一個新使用者:

useradd mysql

·建立datadir的目錄:

mkdir /data/

·初始化mysql,指定使用者和data目錄:

./scripts/mysql_install_db --user=mysql --datadir=/data/mysql
安裝需要的依賴包:yum install -y perl-DBD-MySQL

·將mysql自帶的配置檔案移至系統配置目錄下,並修改配置檔案,指定datadir的目錄,以及socket的目錄:

cp support-files/my-default.cnf  /etc/my.cnf
· 修改內容如下:
datadir=
/data/mysql socket=/tmp/mysql.sock

· 將mysql自帶的指令碼檔案移至chkconfig的執行目錄下,並定義basedir(程式目錄)和datadir:

cp support-files/mysql.server /etc/init.d/mysqld

· 定義指令碼中的basedir(程式目錄)和datadir:

basedir=/usr/local/mysql
datadir=/data/mysql

· 將指令碼檔案的許可權更改為755:

chmod 755 /etc/init.d/mysqld

· 將指令碼檔案加入到chkconfig服務中:

chkconfig --add mysqld

· 啟動mysql服務

/etc/init.d/mysqld start

PHP安裝

· 相關的依賴包:

yum -y install libxml2-devel libpng-devel openssl openssl-devel bzip2 bzip2-devel libjpeg-devel freetype-devel libmcrypt.x86_64  libmcrypt-devel.x86_64  curl curl-devel

· 移動到安裝包存放路徑:

cd /usr/local/src/

· 下載php5原始碼包:

wget http://cn2.php.net/distributions/php-5.6.32.tar.bz2

· 解壓php5原始碼包

tar -jxvf php-5.6.32.tar.bz2

· 移至解壓後的目錄下執行命令:

 ./configure --prefix=/usr/local/php-fpm --with-config-file-path=/usr/local/php-fpm/etc --enable-fpm --with-fpm-user=php-fpm --with-fpm-group=php-fpm --with-mysql=/usr/local/mysql --with-mysqli=/usr/local/mysql/bin/mysql_config --with-pdo-mysql=/usr/local/mysql --with-mysql-sock=/tmp/mysql.sock --with-libxml-dir --with-gd --with-jpeg-dir --with-png-dir --with-freetype-dir --with-iconv-dir --with-zlib-dir --with-mcrypt --enable-soap --enable-gd-native-ttf --enable-ftp --enable-mbstring --enable-exif --with-pear --with-curl  --with-openssl 

· 最後進行編譯和安裝:

make && make install

· 複製解壓目錄中的配置模板到php-fpm目錄下:

cp php.ini-production /usr/local/php-fpm/etc/php.ini

· 建立並修改主配置檔案:

vim /usr/local/php-fpm/etc/php-fpm.conf
加入以下內容:
[global]
pid = /usr/local/php-fpm/var/run/php-fpm.pid
error_log = /usr/local/php-fpm/var/log/php-fpm.log
include = /etc/php/php-fpm.d/*.conf

· 新增discuz論壇的php-fpm配置檔案:

vim /etc/php/php-fpm.d/discuz.conf
[discuz]
listen = /tmp/discuz.sock
listen.mode=666
user = php-fpm
group = php-fpm
pm = static
pm.max_children = 50
pm.start_servers = 20
pm.min_spare_servers = 1
pm.max_spare_servers = 35
pm.max_requests = 500
rlimit_files = 1024
request_slowlog_timeout = 2                                      
slowlog = /usr/local/php-fpm/var/log/discuz-slow.log

· 新增dedecms論壇的php-fpm配置檔案:

vim /etc/php/php-fpm.d/dedecms.conf
內容如下:
[dedecms]
listen = /tmp/dedecms.sock
listen.mode=666
user = php-fpm
group = php-fpm
pm = static
pm.max_children = 50
pm.start_servers = 20
pm.min_spare_servers = 1
pm.max_spare_servers = 35
pm.max_requests = 500
rlimit_files = 1024
request_slowlog_timeout = 2                                 
slowlog = /usr/local/php-fpm/var/log/dedecms-slow.log

· 定時自動切割php-fpm的日誌指令碼

vim /usr/local/sbin/php-fpm_logrotate.sh
#! /bin/bash
#php-fpm的日誌存放路徑為/usr/local/php-fpm/var/log/
d=`date -d "-1 day" +%Y%m%d`
logdir="/usr/local/php-fpm/var/log/"
cd $logdir
for log in `ls *.log`
do
mv $log $log-$d
done
##3 自動刪除一個月以前的日誌
find /usr/local/php-fpm/var/log/ -name discuz-slow.log-* -type f –mtime +30 |xargs rm

· 建立php-fpm_logrotate.sh的日誌計劃任務

crontab –e
0 0 * * * /bin/bash /usr/local/sbin/discuz-php-fpm_logrotate.sh &>>/tmp/php-fpm_logrotate.log

· 複製解壓後的原始碼包中的啟動指令碼:

cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm

· 修改啟動指令碼許可權:

chmod 755 /etc/init.d/php-fpm

· 將指令碼檔案加入到chkconfig服務中:

chkconfig --add php-fpm

· 設定開機啟動php-fpm:

chkconfig php-fpm on

· 檢視配置檔案是否正確:

/usr/local/php-fpm/sbin/php-fpm -t

· 啟動php-fpm服務:

service php-fpm start

· 測試服務是否啟動成功:

ps aux |grep php-fpm

Nginx安裝

· 移動至目錄

cd /usr/local/src

· 下載Nginx1.14版本:

wget http://nginx.org/download/nginx-1.14.0.tar.gz

· 解壓原始碼包:

tar zxvf nginx-1.14.0.tar.gz

· 移至解壓後的cd nginx-1.14.0目錄下執行命令:

./configure --prefix=/usr/local/nginx

· 編譯安裝nginx:

make && make install

· 建立編輯nginx啟動指令碼:

vim /etc/init.d/nginx
內容如下:
#!/bin/bash
# chkconfig: - 30 21
# description: http service.
# Source Function Library
. /etc/init.d/functions
# Nginx Settings

NGINX_SBIN="/usr/local/nginx/sbin/nginx"
NGINX_CONF="/usr/local/nginx/conf/nginx.conf"
NGINX_PID="/usr/local/nginx/logs/nginx.pid"
RETVAL=0
prog="Nginx"

start() 
{
    echo -n $"Starting $prog: "
    mkdir -p /dev/shm/nginx_temp
    daemon $NGINX_SBIN -c $NGINX_CONF
    RETVAL=$?
    echo
    return $RETVAL
}

stop() 
{
    echo -n $"Stopping $prog: "
    killproc -p $NGINX_PID $NGINX_SBIN -TERM
    rm -rf /dev/shm/nginx_temp
    RETVAL=$?
    echo
    return $RETVAL
}

reload()
{
    echo -n $"Reloading $prog: "
    killproc -p $NGINX_PID $NGINX_SBIN -HUP
    RETVAL=$?
    echo
    return $RETVAL
}

restart()
{
    stop
    start
}

configtest()
{
    $NGINX_SBIN -c $NGINX_CONF -t
    return 0
}

case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  reload)
        reload
        ;;
  restart)
        restart
        ;;
  configtest)
        configtest
        ;;
  *)
        echo $"Usage: $0 {start|stop|reload|restart|configtest}"
        RETVAL=1
esac

exit $RETVAL

· 修改nginx啟動指令碼許可權:

chmod 755 /etc/init.d/nginx

· 將nginx啟動指令碼檔案加入到chkconfig服務中:

chkconfig --add nginx

· 將nginx啟動指令碼設定為開機啟動:

chkconfig nginx on

· 建立nginx主配置檔案

vim /usr/local/nginx/conf/nginx.conf
內容如下:
user nobody nobody;
worker_processes 2;
error_log /usr/local/nginx/logs/nginx_error.log crit;
pid /usr/local/nginx/logs/nginx.pid;
worker_rlimit_nofile 51200;

events
{
    use epoll;
    worker_connections 6000;
}

http
{
    include mime.types;
    default_type application/octet-stream;
    server_names_hash_bucket_size 3526;
    server_names_hash_max_size 4096;
    log_format combined_realip '$remote_addr $http_x_forwarded_for [$time_local]'
    ' $host "$request_uri" $status'
    ' "$http_referer" "$http_user_agent"';
    sendfile on;
    tcp_nopush on;
    keepalive_timeout 30;
    client_header_timeout 3m;
    client_body_timeout 3m;
    send_timeout 3m;
    connection_pool_size 256;
    client_header_buffer_size 1k;
    large_client_header_buffers 8 4k;
    request_pool_size 4k;
    output_buffers 4 32k;
    postpone_output 1460;
    client_max_body_size 10m;
    client_body_buffer_size 256k;
    client_body_temp_path /usr/local/nginx/client_body_temp;
    proxy_temp_path /usr/local/nginx/proxy_temp;
    fastcgi_temp_path /usr/local/nginx/fastcgi_temp;
    fastcgi_intercept_errors on;
    tcp_nodelay on;
    gzip on;
    gzip_min_length 1k;
    gzip_buffers 4 8k;
    gzip_comp_level 5;
    gzip_http_version 1.1;
    gzip_types text/plain application/x-javascript text/css text/htm 
    application/xml;
	include vhost/*.conf;
}

· 建立discuz的虛擬主機配置檔案

vim /usr/local/nginx/conf/vhost/discuz.conf
內容如下:
server
{
    listen 80;
    server_name www.discuz.com;
    index index.html index.htm index.php;
    root /data/wwwroot/discuz.com;
     location ~ admin\.php
    {
        auth_basic              "Auth";
        auth_basic_user_file   /usr/local/nginx/conf/htpasswd;
        include fastcgi_params;
        fastcgi_pass unix:/tmp/discuz.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME   /data/wwwroot/discuz.com$fastcgi_script_name;
    }
    location ~ \.php$
    {
        include fastcgi_params;
        fastcgi_pass unix:/tmp/discuz.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME 	/data/wwwroot/discuz.com$fastcgi_script_name;
    }
	location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$    
    {
          expires      7d;           
          access_log off;
    }
location ~ .*\.(js|css)$
    {
          expires      12h;     
          access_log off;
    }
	access_log /usr/local/nginx/logs/discu
	z.logs "combined_realip";
}

· 建立dedecms的虛擬主機配置檔案

vim /usr/local/nginx/conf/vhost/dedecms.conf
內容如下:
server
{
    listen 80;
    server_name www.dedecms.com;
    index index.html index.htm index.php;
    root /data/wwwroot/dedecms.com;
   location ~ login\.php
    {
        auth_basic              "Auth";
        auth_basic_user_file   /usr/local/nginx/conf/htpasswd;
        include fastcgi_params;
        fastcgi_pass unix:/tmp/dedecms.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME   /data/wwwroot/dedecms.com$fastcgi_script_name;
    }
    location ~ \.php$
    {
        include fastcgi_params;
        fastcgi_pass unix:/tmp/dedecms.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME 	/data/wwwroot/dedecms.com$fastcgi_script_name;
    }
	location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$    
    {
          expires      7d;           
          access_log off;
    }
location ~ .*\.(js|css)$
    {
          expires      12h;     
          access_log off;
    }
	access_log /usr/local/nginx/logs/dedecms.logs "combined_realip";
}

· 建立zrlog的虛擬主機配置檔案

vim /usr/local/nginx/conf/vhost/zrlog.conf
內容如下:
upstream cxsw.xyz
{
    ip_hash;
    server localhost:8080;
}
server
{
    listen 80;
    server_name zrlog.com;
    location /
    {
        proxy_pass      http://localhost:8080;
        proxy_set_header Host   $host;
        proxy_set_header X-Real-IP      $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    }
	location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$    
    {
        expires      7d;         
        access_log off;
        proxy_pass      http://localhost:8080;
        proxy_set_header Host   $host;
        proxy_set_header X-Real-IP      $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
    }
location ~ .*\.(js|css)$
    {
          expires      12h;     
          access_log off;
        proxy_pass      http://localhost:8080;
        proxy_set_header Host   $host;
        proxy_set_header X-Real-IP      $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
    }
	access_log /usr/local/nginx/logs/zrlog.logs "combined_realip";
}

· 建立nginx的日誌切割指令碼

vim /usr/local/sbin/nginx_logrotate.sh
內容如下:
#!/bin/bash
d=`date -d "-1 day" +%Y%m%d`    
logdir="/usr/local/nginx/logs/"                                              
nginx_pid="/usr/local/nginx/logs/nginx.pid" 
cd $logdir                                                  
for log in `ls *.logs`                         
do
    mv $log $log-$d                                
done
/bin/kill -HUP `cat $nginx_pid`                   

· 建立nginx_logrotate.sh的計劃任務

crontab -e
0 0 * * * /bin/bash /usr/local/sbin/nginx_logrotate.sh &>>/tmp/nginx_logrotate.log

· 檢查配置nginx配置是否正確

/usr/loca/nginx/sbin/nginx -t

· 啟動nginx

/etc/init.d/nginx start

搭建tomcat+jdk

jdk的安裝

· 前往ORACLE官網下載jdk,版本為1.8:

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

· 下載完成後,使用xftp等工具上傳到伺服器/usr/local/src/目錄下。

· 解壓jdk壓縮包

tar zxvf jdk-8u181-linux-x64.tar.gz

· 移動解壓後的jdk檔案:

mv jdk1.8.0_181/ /usr/local/jdk1.8

· 設定jdk環境變數:

vim /etc/profile 
在檔案最好加入以下內容:
JAVA_HOME=/usr/local/jdk1.8/
JAVA_BIN=/usr/local/jdk1.8/bin
JRE_HOME=/usr/local/jdk1.8/jre
PATH=$PATH:/usr/local/jdk1.8/bin:/usr/local/jdk1.8/jre/bin
CLASSPATH=/usr/local/jdk1.8/jre/lib:/usr/local/jdk1.8/lib:/usr/local/jdk1.8/jre/lib

· 載入jdk環境變數生效:

source /etc/profile

· 檢驗jdk環境是否生效:

java -version

tomcat的安裝

· 移動至/usr/local/src目錄下,下載tomcat免編譯包:

wget https://mirrors.tuna.tsinghua.edu.cn/apache/tomcat/tomcat-8/v8.5.34/bin/apache-tomcat-8.5.34.tar.gz

· 解壓tomcat的壓縮包:

tar zxvf apache-tomcat-8.5.34.tar.gz

· 移動解壓後的tomcat目錄:

mv apache-tomcat-8.5.34 /usr/local/tomcat

· 啟動tomcat:/usr/local/tomcat/bin/startup.sh

部署zrlog

· 編輯tomcat配置檔案:

增加以下內容:
<Host name="www.zrlog.com" appBase="/data/wwwroot/zrlog.com/"
    unpackWARs= "true" autoDeploy="true"
    xmlValidation="false" xmlNamespaceAware="false">
    <Context path="" docBase="/data/wwwroot/zrlog.com/" debug="0" reloadable="true" crossContext="true"/>
    <Valve 
</Host>

· 下載zrlog(移動至/usr/local/src下):

wget http://dl.zrlog.com/release/zrlog-1.7.1-baaecb9-release.war

· 建立zrlog的網站根目錄

mkdir -p /data/wwwroot/zrlog.com/

· 更名並移動zrlog的war包到配置檔案指定的網站根目錄:

mv zrlog-1.7.1-baaecb9-release.war /data/wwwroot/zrlog.com/ROOT.war

· 連線mysql後建立zrlog資料庫,以及zrlog資料庫使用者

mysql -uroot -p
create database zrlog;
grant all on zrlog.* to 'zrlog'@'%' identified by 'password';

· 啟動tomcat:

/usr/local/tomcat/bin/startup.sh

· 遊覽器訪問域名,根據提示安裝即可

zrlog的後臺二次認證

· 修改tomcat根目錄下的tomcat-users.xml檔案

vim /usr/local/tomcat/conf/tomcat-users.xml
增加內容如下:
<role rolename="zrolg"/>
<user username="zrlog" password="zrlog" roles="tomcat"/>

· 修改tomcat根目錄下的web.xml檔案

vim /usr/local/tomcat/conf/web.xml
增加內容如下:
<security-constraint>
<web-resource-collection>
<web-resource-name>www.zrlog.com</web-resource-name>
<url-pattern>/admin/*</url-pattern>
</web-resource-collection>
<auth-constraint>
## tomcat-users.xml中配置的rolename ##
<role-name>zrlog</role-name>
</auth-constraint>
</security-constraint>
<login-config>
<auth-method>BASIC</auth-method>
## 訪問提示自定義 ##
<realm-name>aminglinux</realm-name>
</login-config>

· 重新啟動tomcat:

/usr/local/tomcat/bin/shutdown.sh &&  /usr/local/tomcat/bin/startup.sh

部署discuz

· 下載discuz安裝包到/usr/local/src/目錄下

wget http://download.comsenz.com/DiscuzX/3.3/Discuz_X3.3_SC_UTF8.zip

· 解壓discuz壓縮包

unzip Discuz_X3.3_SC_UTF8.zip

· 建立discuz的網站根目錄

mkdir -p /data/wwwroot/discuz.com/

· 把upload目錄下檔案拷貝到/data/wwwroot/discuz.com/

mv upload/* /data/wwwroot/discuz.com/

· 建立discuz的資料庫和資料庫使用者

mysql -uroot -p
create database discuz;
grant all on discuz.* to 'discuz'@'localhost' identified by 'password';

· 在遊覽器輸入域名或IP安裝,例:

www.discuz.com/install

· 移動至/data/wwwroot/discuz.com/目錄下,根據安裝提示修改以下目錄和檔案的許可權

chmod 777 config data data/cache data/avatar data/plugindata data/download data/addonmd5 data/template data/threadcache data/attachment data/attachment/album data/attachment/forum data/attachment/group data/log uc_client/data/cache uc_server/data/ uc_server/data/cache uc_server/data/avatar uc_server/data/backup uc_server/data/logs uc_server/data/tmp  uc_server/data/view

· 然後根據提示輸入資料庫和使用者資訊,即可完成安裝。

discuz的後臺二次認證

· 使用命令htpasswd建立使用者和密碼:

/usr/local/apache2.4/bin/htpasswd -c /usr/local/nginx/conf/htpasswd discuz

· 再次訪問後臺時需要輸入使用者認證資訊(nginx配置在前面已經完成)

部署dedecms

· 移動到目錄/usr/local/src,下載dedecms壓縮包:

wget http://updatenew.dedecms.com/base-v57/package/DedeCMS-V5.7-UTF8-SP2.tar.gz

· 解壓dedecms

tar zxvf DedeCMS-V5.7-UTF8-SP2.tar.gz

· 進入解壓後的DedeCMS目錄

cd DedeCMS-V5.7-UTF8-SP2

· 建立dedecms的網站根目錄

mkdir -p /data/wwwroot/dedecms

· 把解壓後的uploads目錄下的所有檔案拷貝到dedecms指定的跟目錄下:

mv ./uploads/* /data/wwwroot/dedecms.com

· 建立discuz的資料庫和資料庫使用者

mysql -uroot -p
create database dedecms;
grant all on dedecms.* to 'dedecms'@'localhost' identified by 'password';

· 在遊覽器輸入域名或IP安裝,例:

www.dedecms.com/install

· 根據安裝提示,修改以下檔案的許可權

chmod 777 /data/wwwroot/dedecms.com /data/wwwroot/dedecms.com/install /data/wwwroot/dedecms.com/special && chmod -R 777 /data/wwwroot/dedecms.com/plus/  /data/wwwroot/dedecms.com/dede/ /data/wwwroot/dedecms.com//data/ /data/wwwroot/dedecms.com/a/ /data/wwwroot/dedecms.com/uploads/

· 根據提示繼續安裝即可。

dedecms的後臺二次認證

· 使用命令htpasswd建立使用者和密碼(第二次建立不需要-c選項):

/usr/local/apache2.4/bin/htpasswd /usr/local/nginx/conf/htpasswd dedecms

· 再次訪問後臺時需要輸入使用者認證資訊(nginx配置在前面已經完成)

NFS共享靜態檔案

· 在服務端安裝:

yum install -y nfs-utils rpcbind      

· 在服務端編輯配置檔案

vim /etc/exports
加入以下內容:
/data/wwwroot/discuz.com/data/attachment 127.0.0.1/24(rw,sync,all_squash,anonuid=1000,anongid=1000)
/data/wwwroot/dedecms.com/upload 127.0.0.1/24(rw,sync,all_squash,anonuid=1000,anongid=1000)
/data/wwwroot/zrlog.com/ 127.0.0.1/24(rw,sync,all_squash,anonuid=1000,anongid=1000)

· 啟動rpcbind服務並設定開機啟動:

systemctl start rpcbind  && systemctl enable rpcbind  (一般安裝完rpcbind會自動啟動該服務)

· 啟動nfs服務並設定開機啟動:

systemctl start nfs && systemctl enable nfs

· 檢視埠是否監聽:nfs服務通過rpcbind服務監聽埠的

netstat -lntp |grep rpcbind

· 在客戶端安裝:

yum install -y nfs-utils

· 檢視NFS服務端共享的目錄:

showmount -e 192.168.229.128

· 掛載指定的NFS共享目錄(需要將在服務端將目錄許可權修改為777):

mkdir discuz-nfs && mount -t nfs 192.168.133.130:/data/wwwroot/discuz/data/attachment /discuz-nfs
mkdir dedecms-nfs && mount -t nfs 192.168.133.130:/data/wwwroot/dedecms/upload /dedecms-nfs 

Nginx負載均衡

· 在nginx代理伺服器安裝nginx,內容如上

· 建立zrlog的負載均衡配置檔案:

vim /usr/local/nginx/conf/vhost/zrlog.com.conf
內容如下:
upstream zrlog.com     
{
    ip_hash;       
    server 127.0.0.1:80;        ##IP屆時需做修改
    server 127.0.0.1:80;
    server 127.0.0.1:80;
}   
server      
{  
    listen 80;                                  
    server_name www.zrlog.com;   
    location / 
    {
        proxy_pass      http://zrlog.com;           
        proxy_set_header Host   $host; 
        proxy_set_header X-Real-IP      $remote_addr; 
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
    }
}

· 建立discuz的負載均衡配置檔案:

vim /usr/local/nginx/conf/vhost/discuz.com.conf
內容如下:
upstream discuz.com     
{
    ip_hash;       
    server 127.0.0.1:80;        ##IP屆時需做修改
    server 127.0.0.1:80;
    server 127.0.0.1:80;
}   
server      
{  
    listen 80;                                  
    server_name www.discuz.com;   
    location / 
    {
        proxy_pass      http://discuz.com;           
        proxy_set_header Host   $host; 
        proxy_set_header X-Real-IP      $remote_addr; 
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
    }
}

· 建立dedecms的負載均衡配置檔案:

vim /usr/local/nginx/conf/vhost/dedecms.com.conf
內容如下:
upstream dedecms.com     
{
    ip_hash;       
    server 127.0.0.1:80;        ##IP屆時需做修改
    server 127.0.0.1:80;
    server 127.0.0.1:80;
}   
server      
{  
    listen 80;                                  
    server_name www.dedecms.com;   
    location / 
    {
        proxy_pass      http://dedecms.com;           
        proxy_set_header Host   $host; 
        proxy_set_header X-Real-IP      $remote_addr; 
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; 
    }
}

· 配置完檢查語法,並重新載入配置檔案

nginx -t && nginx -s reload