Install LNMP on CentOS7 (Linux + Nginx + MySQL + PHP)

Install LNMP on CentOS7 (Linux + Nginx + MySQL + PHP)

Due to work needs, I need to learn PHP. I originally wanted to install LAMP, but considering that the Nginx server has good performance and is widely used. Here I decided to build a web server under Linux (CentOS7 + Nginx + MySQL + PHP.

1. Install httpd.

yum install -y httpd 
After the installation is complete, run the following command to start the httpd service:
Systemctl start httpd. service # start apache
Systemctl stop httpd. service # stop apache
Systemctl restart httpd. service # restart apache
Systemctl enable httpd. service # Set apache startup

You can enter the IP address of the server host in the browser to view the welcome page of apache. To implement such access on another host, you need to disable the system firewall.

In CentOS 7, the firewall modification mechanism has been modified. In CentOS 6. x, run the following command:
Service iptables stop
Chkconfig iptables off // boot prohibited 
In CentOS7, you can only use the following command. If you use the command above, no error is reported, but the firewall cannot be disabled:
Systemctl stop firewalld. service
Systemctl disable firewalld. service // disable firewall startup

Disable SeLinux:
Use the getenforce command to view the status of SeLinux. SeLinux has three states: enforcing, permissive, and disabled. Because our server is only used internally, we choose to disable it completely ). The specific method is to modify/Etc/sysconfig/selinuxFile. For more information, see the description.

If httpd (apache) is successfully installed:
2. Install the MySQL database.

MySQL database, the new version has been renamed to Mariadb, so Mariadb needs to be installed here, you can use the following command to install:
yum install -y mariadb 
After the installation is complete, use the following command to enable the Database Service:
Systemctl start mariadb. service # start MariaDB
Systemctl stop mariadb. service # stop MariaDB
Systemctl restart mariadb. service # restart MariaDB
Systemctl enable mariadb. service # Set startup

3. install PHP.

Run the following command to install PHP:
yum -y install php 
Run the following command to install php support for Mariadb:
yum install php-mysql php-gd libjpeg* php-ldap php-odbc php-pear php-xml php-xmlrpc php-mbstring php-bcmath php-mhash 
Run the following command to restart the Mariadb and httpd services:
Systemctl restart mariadb. service # restart MariaDB
Systemctl restart httpd. service # restart apache

4. Install nginx.

Nginx is used as the reverse proxy to proxy The. php content requested by its client through port 80 to the apache server.
Run the following command to install nginx:
Yum install-y nginx
To use nginx for reverse proxy, You need to modify the httpd and nginx configuration files of Apache to listen to different ports. Here we use nginx to listen to port 80 and Apache to listen to port 8080, here we configure the configuration files for Apache and nginx respectively. The Modification result is as follows:
(1) Apache configuration file:/etc/httpd/conf/httpd. conf
 
(2) nginx configuration is as follows:

In this way, when the user accesses the file related to. php on the server in the browser, the agent will be directed to the Apache server listening to port 8080. Example:

(1) access from port 8080 is not specified:
 
(2) access port 8080.
 

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