How to automatically set permissions of php7.0-fpm.sock file after system restart?

Automatically set Unix Socket permissions in Linux system

In Linux systems, it is often necessary to reset Unix Socket file permissions after the system restarts, such as php7.0-fpm.sock . This article introduces how to avoid manually executing the sudo chown command to automatically set permissions.

First, we need to find the program that creates the php7.0-fpm.sock file and its running user. Typically, the file is created by the PHP-FPM service. We need to check the PHP-FPM configuration file, such as /etc/php/7.0/fpm/pool.d/www.conf , and find listen.owner and listen.group settings.

If the value of these two parameters is not test:test , modify the configuration file to point to the target user and group:

 <code>listen.owner = test listen.group = test</code>

After saving the configuration file, restart the PHP-FPM service:

 <code>sudo systemctl restart php7.0-fpm</code>

After that, every time the system or PHP-FPM service restarts, the permissions of the php7.0-fpm.sock file will be automatically set to test:test .

It should be noted that frequent modification of file ownership may imply that there are problems with the system configuration. It is recommended to check why file ownership needs to be modified. If other programs need to access the file, consider running these programs with users with appropriate permissions instead of constantly modifying file permissions. This will improve system security and stability. Through the above methods, repeated operations can be effectively avoided and system management efficiency can be improved.

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