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INSTALLING TYPO3
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This document is a part of the TYPO3 project. TYPO3 is an open source web
content management system released under the GNU GPL. TYPO3 is copyright
(c) 1999-2011 by Kasper Skaarhoj.

This document describes the system requirements for TYPO3 and the installation
routine.


===============================================================================
System requirements
===============================================================================

TYPO3 requires a web server with a PHP installation and a database. While TYPO3
can be configured to run on many web servers with different databases, this
document assumes that Apache and MySQL will be used. This document does not
cover using TYPO3 with other databases or web servers.

The following configuration is the minimum required:
- a web server capable of running PHP
- PHP 5.2.0 or newer with the following extensions:
	- filter
	- GD2
	- JSON
	- mysql
	- pcre
	- session
	- SOAP
	- SPL
	- standard
	- xml
	- zlib
	Some extensions can be optionally compiled into PHP. A list of loaded
	extensions can be checked using the phpinfo() function.
- memory_limit set to at least 64M in php.ini
- MySQL 5.0 or newer
- 200 MB of disk space
- AllowOverride in the Apache configuration includes "Indexes" and "FileInfo"
  (see FAQ below)

The following configuration is recommended:
- Apache 2.x
- mod_expires and mod_rewrite enabled in the Apache configuration
- PHP 5.2.0 or newer with the following extensions:
	- cURL
	- filter
	- GD2
	- hash
	- JSON
	- mbstring
	- mysql
	- openssl
	- pcre
	- session
	- SOAP
	- SPL
	- standard
	- xml
	- zlib
	Some extensions can be optionally compiled into PHP. A list of loaded
	extensions can be checked using the phpinfo() function.
- memory_limit set to 128M or more in php.ini
- MySQL 5.1 or newer
- GraphicsMagick
- 200 MB or more of disk space
- AllowOverride in the Apache configuration includes "Indexes" and "FileInfo"
  (see FAQ below)

TYPO3 uses /dev/urandom or /dev/random on Unix-like platforms for security
purposes. Access to these files is highly recommended and increases TYPO3
security. Make sure to add "/dev/random:/dev/urandom" to open_basedir
settings if you use it. If these paths are unavailable, TYPO3 will attempt to
simulate random number generation. This is less secure, causes performance
issues and warnings in the TYPO3 system log.

===============================================================================
Obtaining TYPO3
===============================================================================

To get TYPO3, navigate to the following location:
	http://typo3.org/download/packages/

TYPO3 consists of two packages: source and dummy. The source package contains
files that are the same for every TYPO3 web site. The dummy package contains
files unique to each TYPO3 installation.

To install TYPO3, both packages must be downloaded.


===============================================================================
Installation: simple (not recommended!)
===============================================================================

This procedure is not recommended because it makes upgrades harder. However, it
can be the only option if you hosting company does not provide SSH access to
the web server.

To install TYPO3, unpack the source package locally. Unpacking will produce a
directory with a name like typo3_src-x.y.z, where x, y and z correspond to the
TYPO3 version. For example, the TYPO3 4.5.0 source package will create a
directory named typo3_src-4.5.0.

Next unpack the dummy package. This will create a directory with the name
dummy-x.y.z. Now create a new directory and copy all files and folders from
within typo3_src-x.y.z and dummy-x.y.z into this new directory.

Use a FTP or SFTP program or any other available way to upload all files to
the web server.

Change permissions of the directories and files. The following directories and
files should be read-only for the web server:
	t3lib/
	typo3/
	index.php

All other directories should be writable for the web server. If in doubt,
contact your hosting company and ask them to assist in adjusting permissions.


===============================================================================
Installation: recommended
===============================================================================

To install TYPO3, unpack the source package outside of the web site root
directory on your server. The location must be accessible to the web server.
Unpacking will produce a directory with a name like typo3_src-x.y.z, where x,
y and z correspond to the TYPO3 version. For example, the TYPO3 4.5.0 source
package will create a directory named typo3_src-4.5.0.

Unpack the dummy package in the temporary location on the server. This will
create a dummy-x.y.z directory. Move all files and directories from the
dummy-x.y.z directory to the web site root directory.

Linux, Unix and Mac OS X users should use the tar.gz packages and unpack them
using:
	tar xzf source-x.y.z
	tar xzf dummy-x.y.z

Windows users can use Windows built-in unpacker on unpack ZIP versions of
packages.

On Linux, Unix or Mac OS X systems create a symbolic link named typo3_src
pointing to the source package:
	ln -s /var/www/typo3_src-4.5.0 /var/www/example.com/typo3_src

On Windows Vista or Windows 7 create a symbolic link named typo3_src
pointing to the source package:
	mklink /D C:\<dir>\typo3_src-4.5.0 C:\<dir>\example.com\typo3_src

Users of Windows XP/2000 or newer can use the "junction" program by
Marc Russinovich to create links. The program can be obtained at:
	http://technet.microsoft.com/en-us/sysinternals/bb896768.aspx

Next create links for the typo3/ and t3lib/ directories:
cd /var/www/example.com
	ln -s typo3_src/t3lib
	ln -s typo3_src/typo3

Linux, Unix and Mac OS X users also create a symbolic link to index.php
	ln -s typo3_src/index.php

Windows users must copy index.php from the source directory to the web site
root directory because Windows does not support links for files.

Change permissions and ownership of the directories. This usually requires the
"sudo" command. Assuming that the web server user is in the group named
"apache", execute the following commands in the web site root directory:
	sudo chgrp -R apache fileadmin typo3temp typo3conf uploads
	sudo chmod -R g+rwX,o-w fileadmin typo3temp typo3conf uploads

If "sudo" is not available, ask your hosting company to change the permissions.


===============================================================================
Setting up TYPO3
===============================================================================

To set up TYPO3, navigate to your web site. The TYPO3 installer will run in the
1-2-3 mode to easily guide you through the installation.


===============================================================================
Troubleshooting
===============================================================================

For troubleshooting read the FAQ below. If your problem is not listed, feel
free to ask questions in the TYPO3 mailing lists:
	http://typo3.org/community/mailing-lists/


===============================================================================
FAQ
===============================================================================

Q:	Why do I get "500 Server error" when I navigate to my TYPO3 web site
	immediately after installation?
A:	Make sure that AllowOverride allows "Indexes" and "FileInfo" in the Apache
	configuration. If you cannot ensure this, rename .htaccess files to
	_.htaccess. TYPO3 will run but considerably slower.
	Here is the list of the files to rename:
		typo3/contrib/.htaccess
		typo3/gfx/.htaccess
		typo3/mod/user/ws/.htaccess
		typo3/sysext/.htaccess
		typo3/sysext/t3skin/stylesheets/.htaccess
	If the error does not disappear, web server error logs should help. For
	Apache, the error log is usually located in /var/log/apache2 or
	/var/log/httpd. Check with your hosting provider if you are in doubt where
	the logs are located.

Q:	Backend or Installer looks strange, no images just black and white?
A:	Maybe you missed some configuration in your .htaccess file.
	Have a look at typo3_src/misc/advanced.htaccess to find the options
	you might need.

Q:	I went through the setup process and created an admin user. Why can't I log
	in now?
A:	If you use MySQL 5.x or newer, try setting it to "compatible" mode. Open the
	TYPO3 Install tool under http://example.com/typo3/install/ (where example.com
	is the web site domain), navigate to "All configuration". find "setDBinit",
	and add this line to the top of the input field:
		SET SESSION sql_mode='MYSQL40'

Q:	What do I have to do regarding security?
A:	You have to make sure that you keep your TYPO3-core and the extensions
	up to date.
	* Subscribe to the announcement mailing list. This will inform you about new
	  releases of the TYPO3 core and security bulletins of core and community
	  extensions.
	  http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce
	* Use the scheduler task "Update Extension List (em)" to update the list of
	  available extensions regularly. You should check regularly, if new versions
	  of these extensions are available and install them respectively.
	* For further reading regarding securing TYPO3, please read the TYPO3 security
	  cookbook and other resources. Please visit
	  http://typo3.org/teams/security/resources/
