03.installation

# Ubuntu 18.04: Install NGINX, MARIADB and Install, 
	Secure and Optimize PHP7.2


- sudo apt install nginx

install mariadb
- sudo apt install mariadb-server php7.2-mysql

and then secure mariadb installation
- sudo mysql_secure_installation
    > Change the root password? [Y/n] n
    > Remove anonymous users? [Y/n] y
    > Disallow root login remotely? [Y/n] y
    > Remove test database and access to it? [Y/n] y
    > Reload privilege tables now? [Y/n] y

install php7.2 (pass)
- sudo apt install php7.2-module

required php 7.2 modules for wordpress
- sudo apt install php7.2-cli php7.2-gd php7.2-xmlrpc php7.2-curl php7.2-opcache php7.2-fpm php7.2-dev php7.2-xml php7.2-mbstring

Configuration Files
absolute path to file : /etc/php/7.2/fpm/php.ini
- cd /etc/php
- ls
- cd 7.2
- ls
- cd fpm
- sudo cp php.ini php.ini.bak
- sudo vi php.ini
    > allow_url_fopen = On to Off
    > ;cgi.fix_pathinfo=1 to cgi.fix_pathinfo=0
    > ;opcache.enable=1 to opcache.enable=1
    > ;opcache.memory_consumption=128 to opcache.memory_consumption=192
    > ;opcache.interned_strings_buffer=8 to 
			opcache.interned_strings_buffer=16
    > ;opcache.max_accelerated_files=10000 to 
			opcache.max_accelerated_files=7963
    > ;opcache.validate_timestamps=1 to opcache.validate_timestamps=0
    > ;opcache.revalidate_freq=2 to opcache.revalidate_freq=0
    > :wq
- sudo systemctl restart php7.2-fpm