How to Install LEMP on CentOS 7.x (NGINX, PHP 7.x, SQL MariaDB 10.x)

1. Update system

$ sudo yum update

2. Install EPEL repository

$ sudo yum install epel-release -y

Install REMI repository

$ sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm

3. Verify EPEL repository

$ sudo yum repolist

4. Install Nginx webserver

$ sudo yum install nginx -y

5. After installation nginx completes, enable nginx start on boot and run it.

$ sudo systemctl enable nginx

$ sudo systemctl start nginx

6. Configure firewall to allow external access to port 80 (http) and port 443 (https)

$ sudo firewall-cmd --permanent --zone=public --add-service=http
$ sudo firewall-cmd --permanent --zone=public --add-service=https

7. Reload firewall

$ sudo firewall-cmd --reload

8. Check connection

9. Create MariaDB repo

$ sudo vi /etc/yum.repos.d/MariaDB.repo
Before add yum repository make sure 10.1 is the latest version of MariaDB

[mariadb]

name = MariaDB

baseurl = http://yum.mariadb.org/10.1/centos7-amd64

gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB

gpgcheck=1

10. Install MariaDB

$ sudo yum --enablerepo=remi install mariadb-server mariadb -y

11. After installation MariaDB completes, enable MariaDB start on boot and run it.

$ sudo systemctl enable mariadb.service
$ sudo systemctl start mariadb.service

12.Set passwords for the MySQL (MariaDB) root account:

$ sudo mysql_secure_installation

13. PHP 7.1 installationEnable php71 repository which is disabled by default:

$ sudo yum install yum-utils -y
$ sudo yum-config-manager --enable remi-php71

14. Install PHP package

$ sudo yum --enablerepo=remi,remi-php71 install php-fpm php-common
and some common module
$ sudo yum --enablerepo=remi,remi-php71 install php-opcache php-pecl-apcu php-cli php-pear php-pdo php-mysqlnd php-pgsql php-pecl-mongodb php-pecl-redis php-pecl-memcache php-pecl-memcached php-gd php-mbstring php-mcrypt php-xml
enable and start php-fpm
$ sudo systemctl enable php-fpm
$ sudo systemctl start php-fpm
Edit php.ini file
$ sudo vi /etc/php.ini

Open PHP-FPM configuration
$ sudo vi /etc/php-fpm.d/www.conf
Find and replace these lines:

user = apache to user = nginx

group = apache to group = nginx

listen.owner = nobody to listen.owner = nginx

listen.group = nobody to listen.group = nginx

And, lastly, under ;listen = 127.0.0.1:9000 add this line:

listen = /var/run/php-fpm/php-fpm.sock

Restart php-fpm
$ sduo systemctl restart php-fpm
Test php
$ sudo vi /var/www/html/info.php

<?php
  phpinfo();
  phpinfo(INFO_MODULES);
?>

Configure Nginx

Open /etc/nginx/nginx.conf
$ sudo vi /etc/nginx/nginx.conf
Make sure the following lines is in the Server context

Create a new default file in /etc/nginx/conf.d/default.conf
$ sudo vi /etc/nginx/conf.d/default.conf
Paste the following code in to this file

server {
    listen   80;
    server_name  your_server_ip;    # note that these lines are originally from the "location /" block
    root   /var/www/html;
    index index.php index.html index.htm;    
    location / {
        try_files $uri $uri/ =404;
    }
    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /var/www/html;
    }    
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}

Restart nginx
$ sudo systemctl restart nginx
Test on browser

Install PhpMyAdmin

$ sudo yum --enablerepo=remi install phpMyAdmin
Change the authentication in phpMyAdmin config.inc.php from cookie to http:
$ sudo vi /etc/phpMyAdmin/config.inc.php

$ sudo ln -s /usr/share/phpMyAdmin /usr/share/nginx/html
$ sudo systemctl restart php-fpm
Test
http://server_domain_or_IP/phpMyAdmin/index.php
Chmod php session if you getting 403 error:
$ sudo chmod 777 /var/lib/php/session/

15. Create file test Php

• Create file $ sudo vi /var/www/html/info.php

xx. Edit php.ini file

18. Open PHP-FPM configuration $ sudo vi /etc/php-fpm.d/www.conf. Find and replace these lines:

xx. Restart php-fpm

`$ sudo systemctl restart php-fpm'

16. Configuring Nginx to work with PHP 7, create a new Nginx configuration file by running vim or nano text editor:

$ sudo vi /etc/nginx/conf.d/default.conf

server {
    listen   80;
    server_name  your_server_ip;    # note that these lines are originally from the "location /" block
    root   /var/www/html;
    index index.php index.html index.htm;    location / {
        try_files $uri $uri/ =404;
    }
    error_page 404 /404.html;
    error_page 500 502 503 504 /50x.html;
    location = /50x.html {
        root /var/www/html;
    }    
    location ~ \.php$ {
        try_files $uri =404;
        fastcgi_pass unix:/var/run/php-fpm/php-fpm.sock;
        fastcgi_index index.php;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        include fastcgi_params;
    }
}

17. Restart Nginx

$ sudo systemctl restart nginx

19. Enable and restart php-fpm

$ sudo systemctl start php-fpm.service
$ sudo systemctl enable php-fpm.service