Today I want to write about install apache web server with PHP-FPM as a php handler in Centos7. PHP-FPM is an alternative PHP FastCGI implementation with some additional features useful for sites of any size, especially busier sites. It runs as its own process and is not dependent on the web server, like mod_php (default Apache module). Lets follow step by step install apache php-fpm centos.
For MPM apache use MPM Event. The default is MPM Prefork.
let’s get started.
There is Already Centos 7 Installed Properly
Before starting everything, I assume that there is already a linux server running well.
Install the packages needed to create a Web Server
Open your terminal editor, or remote ssh access. Then type this command :
yum install yum-utils
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum-config-manager --enable remi-php71
yum update
yum install httpd httpd-tools mod_ssl php-fpm php-mcrypt php-cli php-gd php-curl php-mysql php-ldap php-zip php-fileinfoUpdate Apache Configuration
Next, update the Apache configuration to use the mpm_event_module instead of the mpm_prefork_module.
root@habibza ~#vim /etc/httpd/conf.modules.d/00-mpm.conf
# LoadModule mpm_prefork_module modules/mod_mpm_prefork.so
LoadModule mpm_event_module modules/mod_mpm_event.soTell Apache to send all PHP requests over to PHP-FPM
Next, tell Apache to send all PHP requests over to PHP-FPM by creating a new configuration file.
root@habibza~# vim /etc/httpd/conf.d/php.conf# Tell the PHP interpreter to handle files with a .php extension.
# Proxy declaration
<Proxy "unix:/var/run/php-fpm/default.sock|fcgi://php-fpm">
# we must declare a parameter in here (doesn't matter which) or it'll not register the proxy ahead of time
ProxySet disablereuse=off
</Proxy>
# Redirect to the proxy
<FilesMatch \.php$>
SetHandler proxy:fcgi://php-fpm
</FilesMatch>
#
# Allow php to handle Multiviews
#
AddType text/html .php
#
# Add index.php to the list of files that will be served as directory
# indexes.
#
DirectoryIndex index.php
#
# Uncomment the following lines to allow PHP to pretty-print .phps
# files as PHP source code:
#
#<FilesMatch \.phps$>
# SetHandler application/x-httpd-php-source
#</FilesMatch>
Tweak PHP-FPM to Use Sockets
Tweak PHP-FPM to use sockets instead of TCP connections for performance purposes as follows.
root@habibza~# vim /etc/php-fpm.d/www.conf; listen = 127.0.0.1:9000
listen = /var/run/php-fpm/default.sock
...
listen.allowed_clients = 127.0.0.1
listen.owner = apache
listen.group = apache
listen.mode = 0660
user = apache
group = apacheThe last, enable the services to start on boot and start them up.
systemctl enable php-fpm
systemctl enable httpd
systemctl start php-fpm
systemctl start httpdIf you are using a firewall, open ports 80/443 accordingly. This example will open them up to the world. Adjust yours accordingly.
firewall-cmd --zone=public --permanent --add-service=http
firewall-cmd --zone=public --permanent --add-service=https
firewall-cmd –reloadCreate simple file php.
root@habibza ~# vim /var/www/html/index.php<?php
phpinfo();
?>
Using multiple PHP-FPM pools with different User.
What happens if there is multi user and you want to isolate each site to their own PHP-FPM pool instead of using a shared pool? That is easy enough to do.
I assume I already have a user shell on Linux. my user is “habibza”.
root@habibza ~# id habibza
uid=1002(habibza) gid=1002(habibza) groups=1002(habibza)And you already followed everything in this guide to get to this point, do the following.
First, disable the global Apache configuration for PHP:
root@habibza ~# mv /etc/httpd/conf.d/php.conf /etc/httpd/conf.d/php.conf.bakCreate a new PHP-FPM pool for this specific site and update it accordingly:
root@habibza ~# cp /etc/php-fpm.d/www.conf /etc/php-fpm.d/habibza.in.conf
root@habibza ~# vim /etc/php-fpm.d/habibza.in.conf; listen = 127.0.0.1:9000
listen = /var/run/php-fpm/habibza.sock
...
listen.allowed_clients = 127.0.0.1
listen.owner = habibza
listen.group = apache
listen.mode = 0660
user = habibza
group = habibzaThen update the site’s Apache vhost to point to a new PHP-FPM pool in httpd conf file.
root@habibza ~# vim /etc/httpd/conf.d/habibza.conf
<VirtualHost *:80>
ServerAdmin [email protected]
ServerName habibza.habibza.in
ServerAlias habibza.habibza.in
DocumentRoot /var/www/html/habibza
ErrorLog /var/log/httpd/habibza.erorr.log
CustomLog /var/log/httpd/habibza.access.log combined
<Directory /var/www/html/habibza>
AllowOverride All
Options -Indexes +FollowSymLinks +MultiViews
Order allow,deny
allow from all
</Directory>
# Proxy declaration
<Proxy "unix:/var/run/php-fpm/habibza.sock|fcgi://php-fpm">
# we must declare a parameter in here (doesn't matter which) or it'll not register the proxy ahead of time
ProxySet disablereuse=off
# Note: If you configure php-fpm to use the "ondemand" process manager, then use "ProxySet disablereuse=on"
</Proxy>
# Redirect to the proxy
<FilesMatch \.php$>
SetHandler proxy:fcgi://php-fpm
</FilesMatch>
</VirtualHost>Restart Apache and PHP-FPM.
service httpd restart && service php-fpm restartAnd now check running socker php-fpm in /var/run/php-fpm
Create simple php file in home directory /var/www/html/habibza.
root@habibza ~# vim /var/www/html/index.php <?php
phpinfo();
?> 
To see isolated user with php-fpm, lets type ps faxu | grep habibza. See picture below.
That is short article about install apache php-fpm in centos 7. May be it’s helpful, please feel free to leave a comment if you have any questions and I’ll appreciate it
Credit Article :
- https://www.stephenrlang.com/2018/02/centos-7-apache-2-4-with-php-fpm
- https://www.nixtree.com/blog/php-fpm-fastcgi-process-manager/
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