To log in to the Back-end

From Joomla! Documentation

The "J1.5" namespace is an archived namespace. This page contains information for a Joomla! version which is no longer supported. It exists only as a historical reference, it will not be improved and its content may be incomplete and/or contain broken links.

We'll assume you have a Joomla site at http://server.name/joomla/ To log in to the back-end you thus have to navigate to http://server.name/joomla/administrator/