How to solve the problem that lnmp cannot open the php folder

When using LNMP (Linux Nginx MySQL PHP) to build a web development environment, sometimes you will encounter a situation where you cannot open the PHP folder. This is a relatively common problem. Today we will talk about how to solve it.

First, we need to check whether the permissions of the PHP folder are correct. Under normal circumstances, the permissions of the PHP folder in the LNMP environment should be 755, that is, the user has read, write, and execute permissions, and the group and other users only have read and execute permissions. If the permissions are incorrect, we need to use the chmod command to modify the folder permissions, as shown below:

chmod 755 /usr/local/php

Next, we need to check whether the PHP configuration file php.ini is configured correctly. The PHP configuration file php.ini is generally located in /usr/local/php/etc/php.ini. If there are errors in the configuration file, such as missing a necessary extension or incorrect configuration parameters, etc., the PHP folder cannot be opened. Therefore, we need to carefully check the php.ini file to ensure that the configuration is correct.

Another possibility is Nginx configuration problem. If the PHP interpreter path is not configured correctly in the Nginx configuration file, the PHP folder cannot be opened. We need to open the Nginx configuration file /etc/nginx/nginx.conf, find the PHP-related configuration, and set the correct PHP interpreter path. For example:

location ~ \.php$ {
    fastcgi_pass 127.0.0.1:9000;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name;
    include fastcgi_params;
}

Finally, we also need to restart the Nginx and PHP services to make the configuration take effect. The restart command is as follows:

service nginx restart
service php-fpm restart

In short, when the PHP folder in the LNMP environment cannot be opened, we need to investigate from multiple aspects such as permissions, PHP configuration files, and Nginx configuration to find out the problem. and make corresponding repairs. I hope the above method can help everyone solve the problem.

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