How to install LEMP web server with Nginx, PHP-FPM 5.5, MySQL 5.5 on Centos Linux

I have shown you How to install LEMP server with Linux, Nginx, PHP-FPM, and MySQL on Centos with standard packages from Centos repository, which comes with older version of PHP 5.3.x and MySQL 5.1.x. Since there are many new great features from PHP 5.5.x and MySQL 5.5.x which I mentioned in How to install LAMP server with Apache 2.2, MySQL 5.5.37, PHP 5.5.11 on Centos Linux. Why not install newer version of PHP 5.5.x and MySQL 5.5.x on nginx, HP-FPM, MySQL or LEMP server stack.
We are going to use EPEL (Extra Packages for Enterprise Linux) and REMI (Les RPM de Remi) repositories for this article, since EPEL repository already has nginx package so we don’t need to add nginx repository to our server.
Installing EPEL and REMI Repository for Centos 32 bit
# rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm# rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
Installing EPEL and REMI Repository for Centos 64 bit
# rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm# rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
Installing EPEL and REMI Repository for Fedora 17 / 18 / 19 / 20
# rpm -Uvh http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-stable.noarch.rpm# rpm -Uvh http://download1.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-stable.noarch.rpm
Installing Nginx repository for Red Hat/CentOS/Fedora
nginx package does not come as default package for Centos or RHEL (Red Hat Enterprise Linux), both REMI and EPEL have nginx packages but not the newest. To install nginx, you have to add nginx yum repository or directly install rpm package.
Create a file named nginx.repo in /etc/yum.repos.d/ directory
# nano /etc/yum.repos.d/nginx.repo
with the content
For Centos 6.x

[nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/6/$basearch/ gpgcheck=0 enabled=1

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[nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/6/$basearch/ gpgcheck=0 enabled=1

For Centos 5.x

[nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/5/$basearch/ gpgcheck=0 enabled=1

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[nginx] name=nginx repo baseurl=http://nginx.org/packages/centos/5/$basearch/ gpgcheck=0 enabled=1

For RHEL 6.x (Red Hat Enterprise Linux)

[nginx] name=nginx repo baseurl=http://nginx.org/packages/rhel/6/$basearch/ gpgcheck=0 enabled=1

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[nginx] name=nginx repo baseurl=http://nginx.org/packages/rhel/6/$basearch/ gpgcheck=0 enabled=1

For RHEL 5.x (Red Hat Enterprise Linux)

[nginx] name=nginx repo baseurl=http://nginx.org/packages/rhel/5/$basearch/ gpgcheck=0 enabled=1

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[nginx] name=nginx repo baseurl=http://nginx.org/packages/rhel/5/$basearch/ gpgcheck=0 enabled=1

Install nginx web-server

After adding EPEL and REMI repositories, we now can install nginx
# yum install nginx
To start nginx
# service nginx start
To start nginx automatically when the system boot/reboot
# chkconfig nginx on
Your nginx web server should be running by now, if you can’t access your nginx web server, you may have not allowed http or port 80 access to your server on iptables rules. To allow http access to your server
# iptables -F# iptables -P OUTPUT ACCEPT# iptables -P INPUT ACCEPT# iptables -P FORWARD ACCEPT# iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT# iptables -A INPUT -p tcp -m tcp --dport 22 -j ACCEPT# iptables -I INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT# iptables-save
When you install nginx from EPEL repository, the default nginx placeholder web page will look different from the nginx from nginx repository.
Nginx from EPEL repository

Nginx from nginx repository

Install MySQL 5.5.x server

We are going to install MySQL database server from remi repository instead of Centos default repository.
Centos 5.10 / Centos 6.5
# yum --enablerepo=remi,remi-php55 install mysql-server
Fedora 20 Heisenbug / 19 Schrödinger’s Cat
# yum --enablerepo=remi install mysql-server
Fedora 18 Spherical Cow / 17 Beefy Miracle
# yum --enablerepo=remi,remi-test install mysql-server
To start MySQL database server
# service mysqld start
To start MySQL server at Startup
# chkconfig mysqld on

Secure MySQL server

You should always run mysql_secure_installation after install mysql since default mysql server configuration isn’t safe enough. You will be asked to type in your new MySQL root password, and say Y for yes for the rest of the options

• Remove root’s remote access
• Remove anonymous users
• Disallow root login remotely
• Reload privilege tables

# mysql_secure_installation

Install PHP or PHP-FPM

We are going to install PHP, PHP-FPM/FastCGI, from remi-php55 repository to get the latest php5 packages. PHP-FPM (FastCGI Process Manager) is an alternative PHP FastCGI implementation with some additional features.
# yum --enablerepo=remi,remi-php55 install php-fpm php-common php-mysql php-pear php-gd php-devel php-mbstring php-mcrypt php-cli php-pdo php-xml
To start PHP-FPM
# /etc/init.d/php-fpm start
or
# service php-fpm start
To run PHP-FPM automatically when the system boot/reboot
# chkconfig php-fpm on
Configure nginx to work with PHP
# nano /etc/nginx/conf.d/default.conf
Modify / append as follows:

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

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

Search for

location / { root /usr/share/nginx/html; index index.html index.htm; }

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location / {         root   /usr/share/nginx/html;         index  index.html index.htm;     }

add index.php to index line

location / { root /usr/share/nginx/html; index index.html index.htm index.php; }

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location / {         root   /usr/share/nginx/html;         index  index.html index.htm index.php;     }

Save and close the file. Restart nginx:
# service nginx restart

To confirm nginx and PHP are working

Default nginx html/php files will be stored in /usr/share/nginx/html . You can change nginx default document root directory in /etc/nginx/conf.d/default.conf if you wish to. By the way we are creating php test file to check if nginx and php are working
# nano /usr/share/nginx/html/info.php
With the content

<?php phpinfo(); ?>

1	<?php phpinfo(); ?>

Save and exit, fire up your website and go to info.php file by going http://yourdomain/info.php

You should see PHP version 5.5.x, and at “server API” line you should see FPM/FastCGI
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Note:
To start/restart/stop nginx web server
# service nginx start# service nginx restart# service nginx stop
To start/restart/stop MySQL server
# service mysqld start# service mysqld restart# service mysqld stop
To start/restart/stop PHP-FPM server
# service php-fpm start# service php-fpm restart# service php-fpm stop
REMI repository is not enabled by default, every time you want to install/update packages via remi repository you will have to include enablerepo=remi option in yum command.
Centos 5.10 / Centos 6.5
# yum --enablerepo=remi,remi-php55 update
Fedora 20 Heisenbug / 19 Schrödinger’s Cat
# yum --enablerepo=remi update
Fedora 18 Spherical Cow / 17 Beefy Miracle
# yum --enablerepo=remi,remi-test update


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