права на доступ в директорий у меня в ubuntu /var/www должны быть 777 потом сможешь поменять после установки
у меня другая проблема
сделал mysqladmin -u promax -p create mybase
под учеткой пользователя
promax@promax-desktop:~$ mysqladmin -u promax -p create mybase
Enter password:
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'promax'@'localhost' (using password: YES)
под учеткой root
root@promax-desktop:/home/promax# mysqladmin -u promax -p create mybase
Enter password:
mysqladmin: connect to server at 'localhost' failed
error: 'Access denied for user 'promax'@'localhost' (using password: YES)'

root@promax-desktop:/home/promax# mysql -u promax -p
Enter password:
ERROR 1045 (28000): Access denied for user 'promax'@'localhost' (using password: YES)

* Database name field is required.
* Failed to connect to your MySQL database server. MySQL reports the following message: Access denied for user 'promax'@'localhost' (using password: YES).
o Are you sure you have the correct username and password?
o Are you sure that you have typed the correct database hostname?
o Are you sure that the database server is running?
For more help, see the Installation and upgrading handbook. If you are unsure what these terms mean you should probably contact your hosting provider.

не пойму в чем загвоздка , голова уже плохо соображает как только не пробовал