l representative linux
n representative nginx
m representative mysql
p representative php

1. install nginx

1.1 This is the installation connection

https://blog.csdn.net/weixin_45955039/article/details/124282533?spm=1001.2014.3001.5501

1.2 Do not start after installation , Modify the configuration file

vim /usr/local/nginx/conf/nginx.conf

 notes nini, And put 48 The line is modified as follows 
 index index.php index.html index.htm;

 Uncomment 68-74 That's ok , And modify it 73 The content of the line is as follows 
include        fastcgi.conf;

1.3 start-up ngnix

No output

/usr/local/nginx/sbin/nginx

2. install mysql, Be sure to start mysql

https://blog.csdn.net/weixin_45955039/article/details/123137325?spm=1001.2014.3001.5501

3. install php

3.1 stay /data Create one in the directory php Catalog

[root@slave2 hadoop]# cd /data/
[root@slave2 data]# mkdir php

3.2 hold php Installation package , Upload to php Directory

Install package download connection

https://mirrors.lzu.edu.cn/centos/7/os/x86_64/Packages/

Post upload effect

3.3 install php service

yum -y install php-*.rpm

3.4 see php state

 systemctl status php-fpm

3.5 start-up php

systemctl start php-fpm

3.6 close php

 systemctl stop php-fpm

4. To write php Script , Test if you can connect

cd /usr/local/nginx/html/
vim test.php

The contents are as follows

<?php

phpinfo();

?>

5. To write php Connect database script , The test is that you can connect to the database

[root@slave2 html]# cd /usr/local/nginx/html/
[root@slave2 html]# vim test02.php

The contents are as follows

<?php

$links=mysql_connect("localhost","root","123456");        

if($links){
    

       echo "link db ok!!!";

}

else{
    

      echo "link db no!!!";

}

?>