centos安装服务参考博客，亲测可用

centos 安装nginx参考

日志log报错

nginx -c /etc/nginx/nginx.conf

https://blog.csdn.net/weixin_41004350/article/details/78491861

以下是Nginx的默认路径：

(1) Nginx配置路径：/etc/nginx/

(2) PID目录：/var/run/nginx.pid

(3) 错误日志：/var/log/nginx/error.log

(4) 访问日志：/var/log/nginx/access.log

(5) 默认站点目录：/usr/share/nginx/html

redis 订阅与发布

https://blog.csdn.net/myNameIssls/article/details/75471012?locationNum=2&fps=1

centos安装maven服务

https://blog.csdn.net/bigtree_3721/article/details/79045028

centos安装elasticsearch

https://blog.csdn.net/e_eric12138/article/details/79325979

centos安装单机zookeeper

https://blog.csdn.net/UUIDAndUID/article/details/60159975

centos安装单机kafka

https://blog.csdn.net/qq_37279279/article/details/81948356

centos安装单机mongodb

https://www.cnblogs.com/layezi/p/7290082.html

centos安装svn服务

https://www.cnblogs.com/fuyuanming/p/6123395.html

http://blog.java1234.com/blog/articles/354.html

https://blog.csdn.net/gy325416/article/details/79655173

https://blog.csdn.net/xiejunjie1/article/details/73967810

https://blog.csdn.net/slqgenius/article/details/71817147

<field name="name" type="text_ik" indexed="true" stored="true"/>

<field name="price"  type="float" indexed="true" stored="true"/>

<field name="description" type="text_ik" indexed="true" stored="true"/>

<field name="category" type="text_ik" indexed="true" stored="true"/>

        

<field name="text_ikkey" type="text_ik" indexed="true" stored="false" multiValued="true"/>

   <copyField source="name" dest="text_ikkey"/>

   <copyField source="description" dest="text_ikkey"/>

   <copyField source="category" dest="text_ikkey"/>