Teach you how to deploy php projects under Linux - Apache, php, mysql association (share)-PHP Tutorial-php.cn

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Teach you how to deploy php projects under Linux - Apache, php, mysql association (share)

## The environment for deploying PHP projects under Linux can be divided into two types. One uses compressed packages of Apache, PHP and MySQL. Installation, one is to use the yum command to install.

Use the compressed packages of the three software to install, and you need to manually configure the relationship between the three. The configuration between apache and php is not difficult, but when configuring with mysql, you need to understand php.

The following is to use yum to configure the php environment in linux:

MySql

1. Mysql and apache are best installed first, because When configuring php, you need to configure and test related to mysql and apache

First download the mysql-sever file, because the blogger's Linux environment is the CentOS version, and there seems to be no mysql-sever in the yum source when mysql is installed normally. File, you need to download it from the official website

1.下载mysql-service文件

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[root@tele-1 ~]# wget http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpm

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2.安装mysql-service文件

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[root@tele-1 ~]# rpm -ivh mysql-community-release-el7-5.noarch.rpm

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2. Install mysql

[root@tele-1 ~]# yum install mysql-community-server

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3. After the installation is complete, start the mysql service

[root@tele-1 ~]# service mysqld restart

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4. The initial installation of mysql does not have a password, and the default user name is root. So we need to change the password and use the mysql command line to change it

1. Enter the mysql command line

[root@tele-1 ~]# mysql -uroot
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 474801
Server version: 5.6.36 MySQL Community Server (GPL)

Copyright (c) 2000, 2017, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type &#39;help;&#39; or &#39;\h&#39; for help. Type &#39;\c&#39; to clear the current input statement.

mysql>

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<strong>2.使用命令进行密码修改</strong><br/>

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mysql> set password for &#39;root&#39;@&#39;localhost&#39; = password(&#39;你要修改的密码&#39;);
Query OK, 0 rows affected (0.06 sec)

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5. Because the blogger uses The local navicat software is used to connect to mysql under Linux, so if you want to access it locally, you need to change the user table in the mysql database

1.操作mysql数据库表

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mysql> use mysql;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Database changed
mysql>

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2.查看user表中的数据（在mysql命令行中可以直接进行sql语句编写）

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mysql> select * from user;
mysql>

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3. In the blogger's table This is the modified table. If you want remote access, you need the data marked in red above. Host refers to the IP address that can access this database, and % means that all requests can be connected.

You can modify a piece of data or add a piece of data. But it is best not to modify the data marked in blue above. The modified statement is in the format below

mysql> update user set Host = &#39;%&#39; where ???

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4. Finally, exit or \q are the methods to exit the mysql command line

mysql> \q
Bye

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Installing Apache

1. The apache installation method is relatively simple

[root@tele-2 ~]# yum install httpd

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2. Access the virtual machine from the external network Address, we need to modify the apache configuration file /etc/httpd/conf/httpd.conf

Find #ServerName www.example.com :80 Change to ServerName localhost:80

As shown in the picture on the right:

## Find #Listen Change to Listen:8080( The open port number in linux is 80XX)

As shown in the picture on the right:

3. After the modification is completed, we need to start the httpd service again and check the startup status

[root@tele-2 ~]# service httpd start
Redirecting to /bin/systemctl start  httpd.service
[root@tele-2 ~]# service httpd status
Redirecting to /bin/systemctl status  httpd.service
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
   Active: active (running) since Mon 2017-06-05 15:57:34 CST; 5s ago
     Docs: man:httpd(8)
           man:apachectl(8)
  Process: 54532 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=0/SUCCESS)
  Process: 39046 ExecReload=/usr/sbin/httpd $OPTIONS -k graceful (code=exited, status=0/SUCCESS)
 Main PID: 54573 (httpd)
   Status: "Processing requests..."
   Memory: 15.8M
   CGroup: /system.slice/httpd.service
           ├─54573 /usr/sbin/httpd -DFOREGROUND
           ├─54576 /usr/sbin/httpd -DFOREGROUND
           ├─54577 /usr/sbin/httpd -DFOREGROUND
           ├─54578 /usr/sbin/httpd -DFOREGROUND
           ├─54579 /usr/sbin/httpd -DFOREGROUND
           └─54580 /usr/sbin/httpd -DFOREGROUND

Jun 05 15:57:34 tele-2 systemd[1]: Starting The Apache HTTP Server...
Jun 05 15:57:34 tele-2 systemd[1]: Started The Apache HTTP Server.

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4. At this point you can access your server, enter localhost or IP address, and an Apache test page powered by centos test page will appear

PHP

　1.php installation command

[root@tele-2 ~]# yum install php

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　2. Install directly all the way, and restart the httpd service again after the installation is complete

[root@tele-2 ~]# service httpd start
Redirecting to /bin/systemctl start  httpd.service

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3. After restarting, we will test PHP related information. We will create a new PHP interface for testing

In the apache default page path

# Create a new test.php page under ##var/www/html and add the code

<?php
 phpinfo();
?>

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　4. Visit this page and enter localhost/test.php, or ip: Port number/test.php You can see the configuration information of the php environment

Associate php and mysql

1. Search module

[root@tele-2 ~]# yum search php

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2. Install related modules

[root@tele-2 ~]# yum install php-mysql php-gd php-imap php-ldap php-odbc php-pear php-xml  php-xmlrpc

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3. After the installation is completed, restart mysqld, Restart httpd and revisit the info.php just now. We find that there is more MySQL related information. As shown on the right:

至此，php在linux中的运行环境就已经成功配置完成了。

1.mysql yum安装默认文件夹及相关命令

数据库目录：/var/lib/mysql/

配置文件：/usr/share/mysql（mysql.server命令及配置文件）

相关命令：/usr/bin（mysqladmin mysqldump等命令）

my.cnf: /etc/my.cnf

启动脚本：/etc/rc.d/init.d/（启动脚本文件mysql的目录）

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启动命令：service mysql start

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停止命令：service mysql stop

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运行状态：service mysql status

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　2.apache

配置文件路径：/etc/httpd/conf/httpd.conf

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启动命令：service httpd start

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停止命令：service httpd stop

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运行状态：service httpd status

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　3.php

php默认页面路径：/var/www/html

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