Does modifying php.ini require a restart?

Modifying php.ini requires restarting. The restart method is: 1. Check the master process number of "php-fpm" through the "ps aux|grep php-fpm" command; 2. Execute "kill - USR2 1833" command to restart the process.

The operating environment of this tutorial: linux5.9.8 system, PHP8.1, Dell G3 computer.

Does modification of php.ini require a restart?

need.

You need to restart after modifying the PHP.ini file in Linux;

Here’s how to do it:

Check the master process number of php-fpm first

Use the command:

ps aux|grep php-fpm
admin     1789  0.0  0.2 113192  2084 ?        Ss   Jan19   0:00 /bin/bash -c source /etc/bashrc; (echo -e " === Starting app at: $(date) ==="; /usr/local/php/sbin/php-fpm -F) &>> /home/admin/app.log
admin     1826  0.0  0.1 113196  1052 ?        S    Jan19   0:00 /bin/bash -c source /etc/bashrc; (echo -e " === Starting app at: $(date) ==="; /usr/local/php/sbin/php-fpm -F) &>> /home/admin/app.log
admin     1833  0.0  0.6 269336  6148 ?        Ss   Jan19   0:41 php-fpm: master process (/usr/local/php/etc/php-fpm.conf)
admin     1930  0.0  1.9 273716 19768 ?        S    Jan19   0:55 php-fpm: pool www
admin     1931  0.0  0.9 271664  9472 ?        S    Jan19   0:06 php-fpm: pool www
admin    10893  0.0  1.9 273692 19376 ?        S    Feb02   0:35 php-fpm: pool www
admin    14819  0.0  1.9 273692 19172 ?        S    Jan23   0:48 php-fpm: pool www
root     23186  0.0  0.2 112724  2252 pts/1    S+   21:47   0:00 grep --color=auto php-fpm
admin    30209  0.0  1.3 271448 13996 ?        S    Feb01   0:03 php-fpm: pool www

Here: master process number: 1833

Use the restart process command: kill -USR2

kill -USR2 1833 It’s ok .

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