Install Nginx, PHP 7, MariaDB 10 (LEMP) on CentOS 7

yum update
yum install epel-release


Nginx

yum install nginx
systemctl start nginx
systemctl enable nginx

MariaDB 10
vi /etc/yum.repos.d/MariaDB.repo

add

[mariadb]
name = MariaDB
baseurl = http://yum.mariadb.org/10.1/centos7-amd64
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1
then

yum install MariaDB-server MariaDB-client
systemctl start mariadb Y, Y, Y, Y