Realization of lamp architecture in Linux

Lamp:linux+apache+mysql+perl/php/python a group of open-source software that is often used to build dynamic Web sites or servers, itself is a separate program, but because it is often used together, Having a high degree of compatibility together makes up a powerful Web application platform. From the traffic on the site, more than 70% of the traffic is lamp to provide, lamp is the most powerful website solution.

1.1 Experimental topological structure

Figure 1-1 Lamp experimental topological structure

1.2 Project requirements

Build a Web site that supports PHP and MySQL successfully, and access test.php and mysql.php in the browser, as shown in the page (take alice.com as an example):

(1)/var/www/html/test.php source code:

<?php phpinfo ();?>

To access the page in the browser:

Figure 1-2 Access Php.test success

(2)/var/www/html/mysql.php source code:

#cat/var/www/html/mysql.php

<?php

$link = mysql_connect ("localhost", "root", "112233");

if (! $link)

{die (' could not connect: '. Mysql_error ());}

Else

echo "MySql linked";

Mysql_close ($link);? >

To access the page in the browser:

Figure 1-3 Access Mysql.test success

1.3 Project development Ideas (mind map)

Figure 1-4 Lamp Experimental thought map

1.4 Experimental Steps

(1) Basic network construction

(2) on the DNS Server (192.168.0.253)

1) Install the DNS server

[[Email protected] Desktop]# yum install bind-y

2) Configuring the Master profile named.conf

[[Email protected] Desktop]# gedit/etc/named.conf

Options {

Listen-on Port: (any;};

Directory "/var/named";

Dump-file "/var/named/data/cache_dump.db";

Statistics-file "/var/named/data/named_stats.txt";

Memstatistics-file "/var/named/data/named_mem_stats.txt";

allow-query {any;};

};

Zone "Liaoyuanyang.com" in {

Type master;

File "named.liaoyuanyang.com";

};

Zone "0.168.192.in-addr.arpa" in {

Type master;

File "named.192.168.0";

};

3) Configure the positive solution database file

[[Email protected] Desktop]# cd/var/named/

[email protected] named]# Touch named.liaoyuanyang.com

[Email protected] named]# gedit named.liaoyuanyang.com

$TTL 3H

@ in SOA master.liaoyuanyang.com. Admin.mail.liaoyuanyang.com. (

0; Serial

1D; Refresh

1H; Retry

1W; Expire

3H); Minimum

@ in NS master.liaoyuanyang.com.

Master.liaoyuanyang.com. In A 192.168.0.253

Www.liaoyuanyang.com. In A 192.168.0.100

Client.liaoyuanyang.com. In A 192.168.0.10

4) Configure the anti-decryption database file

[[Email protected] Desktop]# cd/var/named/

[email protected] named]# Touch named.192.168.0

[Email protected] named]# gedit named.192.168.0

$TTL 3H

@ in SOA master.liaoyuanyang.com. Admin.mail.liaoyuanyang.com. (

0; Serial

1D; Refresh

1H; Retry

1W; Expire

3H); Minimum

@ in NS master.liaoyuanyang.com.

253 in PTR master.liaoyuanyang.com.

In PTR www.liaoyuanyang.com.

Ten in PTR client.liaoyuanyang.com.

5) Firewall Open 53 port

[[email protected] named]# iptables-i input-i eth0-p UDP--dport 53-j ACCEPT

[[email protected] named]# iptables-i input-i eth0-p tcp--dport 53-j ACCEPT

Figure 1-5 DNS Server Open 53 port

6) Start the DNS service

[[Email protected] named]# service named start

(3) on Web Server (192.168.0.100)

1) Set host name

[[Email protected] Desktop]# gedit/etc/sysconfig/network

Hostname=www

2) Web Services

A) Start the Web service (installed by default)

[[Email protected] Desktop]# service httpd start

b) Local test access Web

Figure 1-6 Web server local test Web

c) firewall open to 80 ports

[[Email protected] Desktop]# iptables-i input-i eth0-p tcp--dport 80-j ACCEPT

3) MySQL Service

A) installing the MySQL service

[[Email protected] Desktop]# yum-y install MySQL mysql-server mysql-devel

b) Start mysqld service

[[Email protected] Desktop]# service mysqld start

c) Set the password for MySQL

[[Email protected] Desktop]# mysql_secure_installation

4) PHP Service

A) Installing the PHP service

[[Email protected] Desktop]# yum-y install PHP php-mysql

b) Restart the HTTPD service

[[Email protected] Desktop]# service httpd restart

(4) Writing PHP and MySQL websites

[[Email protected] Desktop]# cd/var/www/html/

[email protected] html]# Touch test.php mysql.php

[Email protected] html]# gedit test.php mysql.php

Add in test.php:

<?php phpinfo ();?>

Figure 1-7 test.php Source code

Add in MySQL:

<?php

$link = mysql_connect ("localhost", "root", "666666");

if (! $link)

{die (' could not connect: '. Mysql_error ());}

Else

echo "MySql linked";

Mysql_close ($link);

?>

Figure 1-8 mysql.php Source code

(5) Setting up a DNS server on the client

[Email protected] ~]# gedit/etc/resolv.conf

Name Server 192.168.0.253

1.5 results Test (in Client on)

(1) test.php

Figure 1-9 Test Access test.php

(2) mysql.php

Figure 1-10 Test Access mysql.php

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Realization of lamp architecture in Linux