How to install php environment in centos yum

How to set up centos yum installation php environment: 1. Install apache through "yum install httpd"; 2. Install mysql; 3. Install PHP through "yum install php php-devel" command; 4. Restart apache That’s it.

The operating environment of this article: centOS8 system, PHP7.2 version, DELL G3 computer

centos8 installation and establishment of php environment

After the window/centos dual system installation is completed, next set up a php environment on centos.

There are also many installation tutorials on the Internet, but they are all the same. Below I will directly use yum to install them. The latest version is installed by default.

Install apache:

yum install httpd

//配置ServerName
//将#ServerName www.example.com:80修改为ServerName localhost:80
vi /etc/httpd/conf/httpd.conf
//启动apache：
systemctl start httpd
///查看安装版本： （我的是apache/2.4.37）
httpd -v
//设置开机启动：
systemctl enable httpd

Install mysql:

yum install mysql mysql-server

//启动mysql
systemctl start mysqld.service

//设置root密码为123456
mysqladmin -u root password 123456
//后续如果需要修改root密码
alter user 'root'@'%' identified with mysql_native_password by '新密码’；
//登录mysql
mysql -u root -p  //需要输入密码
//设置远程可访问
grant all privileges on *.* to 'root'@'%'with grant option;
flush privileges;
//如果远程还是无法访问，有可能是防火墙的原因，关闭防火墙
//这里可以查看root用户的host ‘localhost' 已经变成了 ’%‘
use mysql 
select host,user from user;

Install php:

yum install php php-devel

//查看php版本 (我的是php 7.2.11)
php -v
//安装php扩展
yum install php-mysql php-gd php-imap php-ldap php-odbc php-pear php-xml php-xmlrpc
//我这里在安装php-mysql的时候会提示错误：没有匹配的参数：php-mysql
//解决如下：
yum search php-mysql
//找到两个匹配版本：php-mysqlnd.x86_64 ;执行安装
yum install php-mysqlnd.x86_64

//启动php
systemctl start php-fpm
//设置开机启动
systemctl enable php-fpm

Finally restart apache: systemctl restart httpd. All installations have been completed here environment.

The default parsing directory of apache is in the /var/www/html directory, change it to the /var/www directory

vim /etc/httpd/conf/httpd.conf

From DocumentRoot “var/www/html/ " Start changing to "var/www/"

Restart apache:

systemctl restart httpd

Testable: Create a new file index.php in the /var/www/ directory. Directly access the browser: localhost will display Contents of index.php

Set up multiple sites: Create a new .conf file in the /etc/httpd/conf.d/ directory; create a new website directory in the corresponding /var/www/ directory

cd /etc/httpd/conf.d/ 
touch test.conf
//test.conf 插入代码
<VirtualHost *:80> 
 DocumentRoot /var/www/test
 ServerName www.test.com
 <Directory "/var/www/test"> 
  Require all granted
  Options FollowSymLinks
  AllowOverride all
  #Require all denied
 </Directory> 
</VirtualHost>

Customer Specify the IP address and domain name on the hosts side, and you can access the website normally. (Such as 192.168.2.144 www.test.com)

Recommended learning: "PHP Video Tutorial"

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