I Use Joomla

first lesson : how to install joomla ?
before anything :
- Joomla Requirements is :

PHP 4.2.x or above - http://php.net
MySQL 3.23.x or above - http://mysql.org
Apache 1.3.x or above - http://httpd.apache.org

this is easy requirements and it was in all Linux server , and most of servers and resellers
then Start Steps :
1- install latest version frrom here

2- upload joomla zip files to your server in www folder or public:

by :
- ftp account -ftp protocol easy way to upload file-

your host send to you ftp account username and password
or you create them from cpanel by ftp accounts manager

use fireftp firefox extention : FireFTP is a free, secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers.

or ftp Open source software like :

FileZilla the free FTP solution ,
you can open and edit file locally and upload it .
i like it and use it sometime but like fireftp more and use it all time

or use ftp web apps like :

net2ftp - A web based FTP client

you can upload joomla zip file by cpanel > file manager > upload

Uploading to public_html, htdocs, www or similar folder on server

3- unzip joomla zip file

by cpanel > file manager
select file then > unzip it

you can unzip file by simple and small php file have a one code in one line
but it work in some server who some php functions was disable .. you can google it
code php is

PHP:

      exec('unzip Joomla_1.5.11-Stable-Full_Package.zip');



?>

just replace Joomla_1.5.11-Stable-Full_Package.zip with your zip file name
next save code in file with .php extension and upload it with zip file in same folder
i was called it unzip.php
then open php file
www.yoursite.com/unzip.php
and wait a minute
if php file don't display php error display folder content by ftp program or by file manager < cpanel

you will file extract

4-create database
by cpanel > MySql Database
1- create database
then create user or assign database to exists user or to root

Manually : by phpMyadmin
to open phpMyadmin in some servers link will be like that :

http://phpmyadmin.your-host-site.com

then enter phpMyadmin username and password