title: Joomla extensions, file permissions
body: <p>I am having a lot of trouble installing extensions in Joomla, after looking into it a bit, I realise that I think I need to change my files permissions, I have no idea how to do this. In Joomla, System Information, Directory Permissions, all my permissions are set to unwritable apart from "configuration.php". I have no idea how to change this on linux. I am running Joomla 1.7.3 and Ubunutu 11.10.Can anybody shine any lightn on how to change the permissions?</p>