Showing posts with label LAMP. Show all posts
Showing posts with label LAMP. Show all posts

LAMP Quickstart for Red Hat Enterprise Linux 4

A very common way to build web applications with a database backend is called
a “LAMP Stack”, where “LAMP” stands for the Linux® operating system, the Apache web server, the MySQL database, and the PHP (or Perl or Python) web
application language. This Quickstart will take you through configuring and starting up the LAMP components, and then downloading, installing and testing a
complete LAMP application, an online DVD Store. The DVD Store application, including four PHP pages and the code needed to build and load the MySQL database, can be used as a model for your own LAMP web application.

This Quickstart assumes you have successfully installed Red Hat® Enterprise
Linux 4 on your server (RHEL4 ES edition was used for the test but the
instructions should be similar for the other RHEL4 editions) and are moderately
familiar with Linux commands (you will need to be able to edit files). Total time to
work through the Quickstart should be 30 – 60 minutes.

Getting Started
For ease of use, log into the system as root.

Verify that the required packages have been installed. To do this, click on Applications => Systems Settings => Add/Remove Packages. This will bring up
a window showing all of the packages available, and what has already been installed, sorted by groups. Scroll down to the Servers section and verify the Web Server and MySQL Database have been checked. Under details of MySQL Database, verify that both php-mysql and mysql-server have also been checked. If any of these items have not been previously checked, simply click the update button at the bottom of the window and provide the appropriate installation media as requested.

For purposes of this document, the hostname is “rhel4es” and the root password
is “password” (you should use something more creative, of course!). You will need to ensure that all of the appropriate host name information has been
set in your network environment (updating DNS, or /etc/hosts, etc.) You will
need to create a non-root user to own the PHP and MySQL code. We used user
“web” with password “web”.

To create the web user, open a terminal shell (right click anywhere on the
desktop, select “Open Terminal”). Type the following (ideally you can cut and
paste right from this Quickstart to your Linux command shell). In this document
commands that you type or that are printed by the computer are indicated in
monospace font.

useradd web
passwd web

At this point, it will prompt you for the new password. Use “web” as the password
(ignore the warnings for BAD PASSWORD – you can always change this later).

For the rest of this document you will enter some commands as root and some
as web. [Hint: use two Linux command shells, one for root, one for web. If you
are logged in as root you can use the command su – web to login as web in that
command shell].

Start and Test Apache
To run the Apache web server you first need to make a small modification to the
Apache configuration file, then start the Apache service (known as “httpd”), and
finally configure it so it will always start when the machine is booted:

cd /etc/httpd/conf
cp httpd.conf httpd.conf.orig
gedit httpd.conf

Find the line with #ServerName and add below it:
ServerName rhel4es

Save your changes; close the window. Next, you will start the web server, and
configure it so that it will automatically start on the next reboot. Type the
following into the shell window:

service httpd start
chkconfig httpd on

To test Apache, bring up a web browser with URL http://localhost. You should
see the Red Hat Enterprise Linux Test Page:
LAMP Quickstart for Red Hat Enterprise Linux 4
Start and Test Apache

Start and Test MySQL
Before starting MySQL, you’ll need to create a MySQL configuration file from one
of the standard ones offered. As root, copy the standard small configuration file
to /etc/my.cnf and add 4 lines to the end of it. Type the following into the terminal

cd /etc
cp /usr/share/doc/mysql-server-4.1.7/my-small.cnf my.cnf
cat >> my.cnf <hit Enter, then paste in next 4 lines>
# For DVD Store full text search
ft_min_word_len = 3
ft_stopword_file =
<Enter Ctrl-C>

Next you need to start the MySQL service (called “mysqld”), and set it to always
start when the machine starts. Type the following into the terminal shell:

service mysqld start
chkconfig mysqld on

Now configure user access to the MySQL database. To change root’s password
(replace the final “password” with your root password), give privileges to the webuser, and remove the default anonymous user, type the following into the
terminal shell:

mysqladmin -u root password password
mysql –p

This will prompt you for the password you just entered above, and start the
MySQL monitor. You will need to ensure that you also add access based on
your specific host name as well (i.e. web@localhost.localdomain). Type the
following at the mysql> prompt:

grant all privileges on *.* to web@localhost identified by 'web';
grant all privileges on *.* to web@rhel4es identified by 'web';
delete from mysql.user where User='';

Login as web and test out MySQL:

su – web
mysql –u web –-password=web

This will start the MySQL monitor as the user “web”. Type the following at the mysql> prompt to test it:

show databases;

You should get output that looks something like:

| Database |
| mysql    |
| test     |
2 rows in set (0.00 sec)

Type “exit” to leave the MySQL monitor. Type “exit” again to log out as “web”.
This shows that MySQL has been installed with the initial two databases.

 Start and Test PHP

As root, edit the PHP configuration file to point to the correct host and allow
access to the web user, then restart Apache to read changes. In the terminal
window, type the following:

cd /etc
cp php.ini php.ini.orig
gedit php.ini

Change three lines to read as follows:

mysql.default_host = rhel4es   
mysql.default_user = web
mysql.default_pw = web

Save the document, close the window, then continue typing the following into the
terminal shell window to restart the web server and put the changes you just
made into effect:

service httpd restart

To test PHP, create a test PHP page. Type the following into the terminal

cd /var/www/html
gedit default.php

Add the following to the file:
   <title>PHP Test Page</title>
     echo “<hr />”;
     echo “<p align=center>This is a test of PHP!</p>”;
     echo “<hr />”;
     echo “<p align=center>Copyright &copy; 2005 Dell</p>”;

To test, use your browser to access http://localhost/default.php. It should look like
LAMP Quickstart for Red Hat Enterprise Linux 4
Start and Test PHP

Install and Test the DVD Store LAMP Application

Now you are ready to install a full LAMP application, the Dell DVD Store
application. This application has been released by Dell to the open source
community under the GPL license and is available for all to use.
First, download in binary the DVD Store files ds2.tar.gz and ds2_mysql.tar.gz
from to web’s home directory, /home/web. To
accomplish this, type the following from the terminal window:

su – web

Then expand these “tarballs” with:

tar –xvzf ds2.tar.gz
tar –xvzf ds2_mysql.tar.gz

This will create several directories under /home/web/ds2 with the DVD Store data
files and driver programs, as well as the MySQL build and load scripts. Now, as
root, you will need to create a directory to put the PHP pages:

cd /var/www/html
mkdir ds2
Now, the PHP files need to be copied to the new directory:

cd ds2
cp ~/ds2/mysqlds2/web/php4/* .

Now you are ready to create and test the MySQL DVD Store database. As web:

cd ~/ds2/mysqlds2
mysql –u web --password=web

mysql> use DS2;
mysql> show tables;
| Tables_in_DS2 |
| CUST_HIST     |
| ORDERS        |
| PRODUCTS      |
| REORDER       |
8 rows in set (0.00 sec)

mysql> select count(*) from CUSTOMERS;
| count(*) |
| 20000    |
1 row in set (0.01 sec)

mysql> exit

This shows that the DVD Store has been installed correctly with 8 tables and
20,000 initial customers.

The DVD Store LAMP stack is ready for testing. With your browser, access
http://rhel4es/ds2. You should see the DVD Store Login page:
LAMP Quickstart for Red Hat Enterprise Linux 4

Login with Username “user2” and password “password”. You should see the
following Welcome screen:
LAMP Quickstart for Red Hat Enterprise Linux 4

Click on “Start Shopping”, search for some DVDs by Title, Actor or Category, add
DVDs to your shopping cart, and finally purchase them using your stored credit
card number.

You now have a working LAMP stack. By basing your application on the MySQL
and PHP code included here, you can jumpstart your own LAMP stack!

LAMP server configration on ubuntu linux

LAMP is short for Linux, Apache, MySQL, PHP. This tutorial shows how you can install an Apache2 webserver 

on an Ubuntu 9.04 server with PHP5 support (mod_php) and MySQL support..
*Installing MySQL 5.0:-
#aptitude install mysql-server mysql-client
You will be asked to provide a password for the MySQL root user – this password is valid for the user root@localhost as well as, so we don’t have to specify a MySQL root password manually later on:
New password for the MySQL “root” user: <– yourrootsqlpassword
Repeat password for the MySQL “root” user: <– yourrootsqlpassword

*Installing Apache2:-

#aptitude install apache2

Now direct your browser to, and you should see the Apache2 placeholder page (It works!):

Setting up a LAMP Server Remotely

LAMP time!It’s been said a million times over — Linux is awesome on servers! With over 60 per cent of the Web’s servers gunning away on the mighty penguin, the robust, resilient, scalable and stable Linux plays a major role in keeping the Internet running like a well-oiled machine. In this article, I will describe how to set up a LAMP (Linux, Apache, MySQL and PHP) server from scratch, remotely. The only step requiring physical access is installing Ubuntu Server. The rest can be done the geeky way, via SSH! Read on if getting your hands dirty gives you a kick!