Instruções de Instalação do CodeIgniter

Baixar, descompactar e apagar documentos e licença- license.txt user_guide

wget http://codeigniter.com/download_files/reactor/CodeIgniter_2.0.2.zip
unzip CodeIgniter_2.0.2.zip 
mv CodeIgniter_2.0.2 wwwdata
rm -rf wwwdata/license.txt wwwdata/user_guide/

Lista pra ver o que fico dentro da pasta com fonte do CodeIgniter.

$ ls wwwdata/
application  index.php  system

Criar diretório wwwhttp, que vai ficar com acesso a web e movendo o index.php pra a pasta.

mkdir wwwdata/wwwhttp
mv wwwdata/index.php wwwdata/wwwhttp/index.php

Fica assim CodeIgniter abaixo da wwhttp, nao ficando com acesso direto a web.

$ ls wwwdata/
application  system wwwhttp

Entrar na pasta wwwdata - onde esta fonte do CodeIgniter.

cd wwwdata

Ver caminho/path pra colocar dentro do index.php (que esta no wwwhttp) nas variavel: $system_path e $application_folder

$ pwd
/var/www/usuario/wwwdata

Editar o index.php

$ nano wwwhttp/index.php

e colocar caminho ate o system e application. Se desejar, pode mudar nome da pasta application e system e informar no index.php

/*
 *---------------------------------------------------------------
 * SYSTEM FOLDER NAME
 *---------------------------------------------------------------
 *
 * This variable must contain the name of your "system" folder.
 * Include the path if the folder is not in the same  directory
 * as this file.
 *
 */
	$system_path = '/var/www/usuario/wwwdata/system';

/*
 *---------------------------------------------------------------
 * APPLICATION FOLDER NAME
 *---------------------------------------------------------------
 *
 * If you want this front controller to use a different "application"
 * folder then the default one you can set its name here. The folder
 * can also be renamed or relocated anywhere on your server.  If
 * you do, use a full server path. For more info please see the user guide:
 * http://codeigniter.com/user_guide/general/managing_apps.html
 *
 * NO TRAILING SLASH!
 *
 */
	$application_folder = '/var/www/usuario/wwwdata/application';