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1. 更新yum，并且更换阿里镜像源

删除yum文件
cd /etc/yum.repos.d/    进入yum核心目录
ls
sun.repo
rm -rf *    删除之前配置的本地源
ls
配置阿里镜像源
wget -O /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo
配置扩展包
wget -O /etc/yum.repos.d/epel.repo https://mirrors.aliyun.com/repo/epel-7.repo

2. 安装jdk8

检索jdk列表
yum list | grep jdk

选择合适的安装
yum install java-1.8.0-openjdk-devel.x86_64

验证
java -version

3. 安装宝塔（centos安装脚本）

yum install -y wget && wget -O install.sh https://download.bt.cn/install/install_6.0.sh && sh install.sh ed8484bec

4. 使用宝塔安装mysql、redis、kafka、nacos、nginx
mysql、redis、kafka、nacos统统不开放外网访问
5. 配置nginx转发mysql、redis、kafka、nacos
   这里的mysql、redis、kafka与nacos有所不同
   mysql等服务是tcp协议，而nacos是使用的http协议

user  www www;
worker_processes auto;
error_log  /www/wwwlogs/nginx_error.log  crit;
pid        /www/server/nginx/logs/nginx.pid;
worker_rlimit_nofile 51200;stream {upstream mysqlProxy {hash $remote_addr consistent;server 127.0.0.1:3306 weight=5 max_fails=3 fail_timeout=30s;}upstream redisProxy {hash $remote_addr consistent;server 127.0.0.1:6379 weight=5 max_fails=3 fail_timeout=30s;}upstream kafkaProxy {hash $remote_addr consistent;server 127.0.0.1:9092 weight=5 max_fails=3 fail_timeout=30s;}server {listen 11009;proxy_connect_timeout 10s;proxy_timeout 300s;proxy_pass redisProxy;}server {listen 11008;proxy_connect_timeout 10s;proxy_timeout 300s;proxy_pass mysqlProxy;}server {listen 11007;proxy_connect_timeout 10s;proxy_timeout 300s;proxy_pass kafkaProxy;}log_format tcp_format '$time_local|$remote_addr|$protocol|$status|$bytes_sent|$bytes_received|$session_time|$upstream_addr|$upstream_bytes_sent|$upstream_bytes_received|$upstream_connect_time';access_log /www/wwwlogs/tcp-access.log tcp_format;error_log /www/wwwlogs/tcp-error.log;include /www/server/panel/vhost/nginx/tcp/*.conf;
}events{use epoll;worker_connections 51200;multi_accept on;}http{include       mime.types;include proxy.conf;lua_package_path "/www/server/nginx/lib/lua/?.lua;;";default_type  application/octet-stream;server_names_hash_bucket_size 512;client_header_buffer_size 32k;large_client_header_buffers 4 32k;client_max_body_size 50m;sendfile   on;tcp_nopush on;keepalive_timeout 60;tcp_nodelay on;fastcgi_connect_timeout 300;fastcgi_send_timeout 300;fastcgi_read_timeout 300;fastcgi_buffer_size 64k;fastcgi_buffers 4 64k;fastcgi_busy_buffers_size 128k;fastcgi_temp_file_write_size 256k;fastcgi_intercept_errors on;gzip on;gzip_min_length  1k;gzip_buffers     4 16k;gzip_http_version 1.1;gzip_comp_level 2;gzip_types     text/plain application/javascript application/x-javascript text/javascript text/css application/xml application/json image/jpeg image/gif image/png font/ttf font/otf image/svg+xml application/xml+rss text/x-js;gzip_vary on;gzip_proxied   expired no-cache no-store private auth;gzip_disable   "MSIE [1-6]\.";limit_conn_zone $binary_remote_addr zone=perip:10m;limit_conn_zone $server_name zone=perserver:10m;server_tokens off;access_log off;server {						listen       11005;		# server_name  www.test001.com;		location / {	proxy_pass http://127.0.0.1:8848/nacos/;}}server {listen       80;# 这里可以指定每一个块会被那个服务器处理# server_name  127.0.0.1;location / {root   html;index  index.html index.htm;}error_page   500 502 503 504  /50x.html;location = /50x.html {root   html;}}include /www/server/panel/vhost/nginx/*.conf;
}

6. 调整kafka配置
   这样配置是可以将kafka转发到nginx的11007端口
   但是在消费的时候会提示连接断开或者无法获取连接
   修改kafka配置文件
   listeners配置kafka服务的地址
   advertised.listeners配置nginx转发的地址

listeners=PLAINTEXT://127.0.0.1:9092
# 外部代理地址                                
advertised.listeners=PLAINTEXT://127.0.0.1:11007

7. 编写生产者和消费者测试
   

补充：有条件的可以把nginx放在公网即可，并且可以利用nginx限制ip