Manual Setup of LNMP (CentOS 6)

Last updated: 2022-06-14 10:52:10

Overview

The LNMP environment is a website server architecture consisting of Nginx, MySQL or MariaDB, and PHP running on Linux. This document describes how to manually set up the LNMP environment on a Tencent Cloud CVM.

To manually set up the LNMP environment, you should familiarize yourself with common Linux commands such as installing software via YUM in CentOS, and understand the usage and version compatibility of the software to be installed.

Note：

It’s recommended that you can configure the LNMP environment through the image environment of Tencent Cloud marketplace, and it may take a long time to set up the LNMP environment manually.

Software

The following software is used to build the LNMP environment.
CentOS is a distribution of the Linux operating system. This document uses CentOS 6.9 as an example.
Nginx is a web server. This document uses Nginx 1.17.5 as an example.
MySQL is a database software. This document uses MySQL 5.1.73 as an example.
PHP is a scripting language. This document uses PHP 7.1.32 as an example.

Prerequisite

Setting up a LNMP environment requires a Linux CVM. If you have not purchased one yet, see Getting Started with Linux CVMs.

Directions

Step 1: log in to a Linux instance

Log in to the Linux instance using standard login method. You can also use any of the following login methods you are comfortable with:

Step 2: install Nginx

Run the following command to create a file named nginx.repo under /etc/yum.repos.d/.
```
vi /etc/yum.repos.d/nginx.repo
```

Press i to switch to the editing mode and enter the following.

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

Click Esc and enter :wq to save and close the file.
Run the following command to install Nginx.
```
yum install -y nginx
```
Run the following command to open the default.conf file.
```
vim /etc/nginx/conf.d/default.conf
```
Press i to switch to the edit mode to modify the default.conf file.

Find server{...} and replace the content inside the curly brackets with the following. This is to cancel the listening of the IPv6 address and configure Nginx to realize linkage with PHP.

server {
listen       80;
root   /usr/share/nginx/html;
server_name  localhost;
#charset koi8-r;
#access_log  /var/log/nginx/log/host.access.log  main;
#
location / {
   index index.php index.html index.htm;
}
#error_page  404              /404.html;
#redirect server error pages to the static page /50x.html
#
error_page   500 502 503 504  /50x.html;
location = /50x.html {
root   /usr/share/nginx/html;
}
#pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
#
location ~ .php$ {
fastcgi_pass   127.0.0.1:9000;
fastcgi_index  index.php;
fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
include        fastcgi_params;
}
}

Press Esc and enter :wq. Save and close the file.
Run the following command to start Nginx.
```
service nginx start
```
Run the following commands to automatically launch Nginx at startup.
```
chkconfig --add nginx
```

chkconfig  nginx on

Enter the following URL in your local browser and verify whether the Nginx service is working properly.
```
http://[Public IP address of the CVM instance]
```

If the following appears, Nginx has been successfully installed and configured.

Step 3: install a database

Run the following command to check whether MySQL has been already installed.
```
rpm -qa | grep -i mysql
```

If the following appears, MySQL has already been installed.

To avoid conflicts between different versions, run the following command to remove the existing MySQL.
```
yum -y remove [Package name]
```
If nothing is returned, MySQL has not been installed. In this case, proceed to the next step.

Run the following command to install MySQL.

yum install -y mysql-devel.x86_64 mysql-server.x86_64 mysql-libs.x86_64

Run the following command to start MySQL.
```
service mysqld start 
```
Run the following commands to automatically launch MySQL at startup.
```
chkconfig --add mysqld
```

chkconfig mysqld  on

Run the following command to verify whether MySQL has been successfully installed.
```
mysql
```

If the following appears, MariaDB has been successfully installed.

6. Run the following command to exit MySQL.

\q

Step 4: install and configure PHP

Run the following commands to update the software source of PHP in Yum.

rpm -Uvh https://mirrors.cloud.tencent.com/epel/epel-release-latest-6.noarch.rpm

rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm

Run the following command to install the packages required for PHP 7.1.32.

yum -y install mod_php71w.x86_64 php71w-cli.x86_64 php71w-common.x86_64 php71w-mysqlnd php71w-fpm.x86_64

Run the following command to start the PHP-FPM service.
```
service php-fpm start
```
Run the following commands to automatically launch PHP-FPM at startup.
```
chkconfig --add php-fpm  
```

chkconfig php-fpm on

Verifying the Environment Configuration

Run the following command to create a test file.

echo "<?php phpinfo(); ?>" >> /usr/share/nginx/html/index.php

Run the following command to restart Nginx.
```
service nginx restart
```
In a local browser, visit the following URL to check whether the environment has been successfully configured.
```
http://[Public IP address of the CVM instance]
```

If the following appears, the environment has been successfully configured.

After the LNMP environment is built, you can manually build a WordPress website to familiarize yourself with CVM and its features.

FAQs

If you encounter a problem when using CVM, refer to the following documents for troubleshooting:

CVM login: Password Login and SSH Key Login and Login and Remote Access.
CVM network: IP Address and Port.
CVM disks: System and Data Disks.

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