Joomla 2.5 To Joomla 3.0 Update, How to upgrade Joomla 2.5 to 3.0 Options

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How to update Joomla 2.5 to Joomla 3.0?

You can update latest Joomla 2.5 to 3.0 in two ways.

The Way to update to 3.0 One:
- Open Joomla 2.5 administrator -> Components -> Joomla! Update -> Options -> Update server and change to Short Term Support. Urls to do this is:

Код

my-joomla-2.5-website/administrator/index.php?option=com_joomlaupdate

After making this change, you will receive updates current version of joomla (2.5) to Joomla 3.0.

- Go to url address:

Код

my-joomla-2.5-website/administrator/index.php?option=com_installer&view=update

- Click on "Purge Cache" button.
- Open again

Код

my-joomla-2.5-website/administrator/index.php?option=com_joomlaupdate

- Now you can see update package from 2.5 to J3.0:
Update package URL:

Код

http://joomlacode.org/gf/download/frsrelease/17575/76729/Joomla_3.0.1-Stable-Update_Package.zip

The Way Two to upgrade to Joomla 3.0:
Just download update package from URL:

Код

http://joomlacode.org/gf/download/frsrelease/17575/76729/Joomla_3.0.1-Stable-Update_Package.zip

and install 3.0.1 upgrade package from extensions manager located on url:

Код

my-joomla-website/administrator/index.php?option=com_installer

Keep in mind that 3.0.1 update package is huge - 6.74 mb. To be installed well, server must be with higher limits for max_execution_time, memory_limit and folder tmp must be writable.

Anyway, i don't recommend you to update to Joomla3.0 at this moment - there are no extensions compatible with J3.0 for now and probably 3.0 version have many security vulnerabilities.

And Joomla 2.5 will be supported to spring of 2014 year, so don't be (so) fast

In joomla3.0 is found xss vulnerability, this is fixed in v.3.0.1, but may be will be found more others like this in next versions, so, just wait for now. Soon will be released stable and supported 3.xx version.