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Accepted
Eduardo Fernandes
Asked: 2015-04-18 04:02:28 +0800 CST

php-fpm changed user can't create pid and sock files

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I want to execute php-fpm with a different user in my Ubuntu workstation, so I changed the /etc/php5/fpm/pool.d file according to some tutorials I found:

user = myuser
group = myuser

But when I try to restart php-fpm service, it crashes because my new user doesn't have permissions to create the pid and sock files under /var/run what totally makes sense since /var/run has root only permissions. But www-data was able to write under that folder and it didn't have any specials permissions as well, so I guess I must be missing some steps.

Do you know how to change the user of php-fpm and be sure it will be able to create the pid and sock files?

Obs: If I need to change the init script, I must say I'm not sure how to do it and any help would be appreciated.

apache2

1 Answers

  1. Best Answer

    php5-fpm should actually be starting as root and dropping its privileges once it's set up and running. This is fairly common amongst webservers. This should allow it to write to a root-owned space and chown its own files.

    I believe that is exactly how my installation works.
    The question then becomes: why isn't yours?

    Have you altered the Upstart script that ships with it to chuid? That would break it. Here's my /etc/init/php5-fpm.conf for comparison:

    # php5-fpm - The PHP FastCGI Process Manager

description "The PHP FastCGI Process Manager"
author "Ondřej Surý <[email protected]>"

start on runlevel [2345]
stop on runlevel [016]

# you can uncomment this with recent upstart
# reload signal USR2

pre-start exec /usr/lib/php5/php5-fpm-checkconf

respawn
exec /usr/sbin/php5-fpm --nodaemonize --fpm-config /etc/php5/fpm/php-fpm.conf
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