How to install Lamp server on ubuntu 14.04

How to install LAMP server on Ubuntu 14.04

LAMP stack is nothing but a combination of opensource softwares to make a webserver . LAMP refers to the first letters of Linux, Apache, Mysql and PHP .
1. Apache2 installation
2. Mysql installation 
3. PHP installation 
4. Testing all together

Apache2 installation :

Step 1 » Type the below command for installing apache 2 package from repository .
krizna@leela:~$ sudo apt-get install apache2

This command will install apache2 and its dependencies  .
Step 2 » After installationm, Add the following line “ServerName localhost” to the/etc/apache2/apache2.conf file.
ServerName localhost
Step 3 » and restart apache service
krizna@leela:~$ sudo /etc/init.d/apache2 restart
Step 4 » Apache will start working with minimal configuration. Now Open your server-ip in the browser and You can see the apache ubuntu test page.( Default document root is located in this path /var/www/html )

Mysql installation :

Step 5 » Issue the below command to install mysql server with dependencies.
krizna@leela:~$ sudo apt-get install mysql-server
Step 6 » During installation it will prompt for a new password for mysql root . Give some strong password and retype the same password for confirmation.

Step 7 » After installation check the Database connection.
Check the service status .
krizna@leela:~# sudo /etc/init.d/mysql status
* /usr/bin/mysqladmin Ver 8.42 Distrib 5.5.35, for debian-linux-gnu on x86_64
Copyright (c) 2000, 2013, 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.
Server version 5.5.35-1ubuntu1
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /var/run/mysqld/mysqld.sock
Uptime: 1 min 12 sec
Threads: 1 Questions: 573 Slow queries: 0 Opens: 421 Flush tables: 1 Open tables: 41 Queries per second avg: 7.958
Service is already up , Now Type this command to login
krizna@leela:~# mysql -u root -p
Enter password: ******
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 42
Server version: 5.5.35-1ubuntu1 (Ubuntu)
Copyright (c) 2000, 2013, 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 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql>
Okay . Mysql server installation is over.

PHP installation :

Step 8 » Type the below command to install php5 .
krizna@leela:~$ sudo apt-get install php5 php5-mysql
Step 9 » Create a php file and paste the below code into the file to show the php configuration . Goto the default apache root path /var/www/html . create a new file phpinfo.php  and paste the below code and save it.
<?php
phpinfo();
?>  
Step 10 » Now restart the apache2 service .
krizna@leela:~$sudo /etc/init.d/apache2 restart
Step 11 » Now open the file in the browser ( Eg: http://yourip/phpinfo.php )
you can see the php information page as below.
and make sure you can see the mysql details in the php information page .

We have sucessfully configured Apache2 , mysql and php .

Testing All together :

We need to test mysql database connectivity using PHP code .
Step 12 » create a new file dbtest.php in the root path (/var/www/html) and paste the below code . kindly replace “password” with your mysql root password provided during mysql installation .

<?php
$con = mysql_connect("localhost","root","password");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
else
{
echo "Congrats! connection established successfully";
}
mysql_close($con);
?>
Step 13 » open the file in your browser ( http://yourip/dbtest.php ). Now you could see the page like below.

Good luck  thank you@http://www.krizna.com/