Need someone quickly to backup my MySQL database. I keep getting permissions errors.
Here's the error (password removed):

root@aquarius:~# mysqldump -u root -p -h localhost pressflow > /var/www/maxhealthlabs/fri2backup.sql2
Enter password:
mysqldump: Got error: 1045: Access denied for user 'root'@'localhost' (using password: YES) when trying to connect
root@aquarius:~#

First of all it seems that you do not have the correct root password. You can try Change MySQL Root Password in Ubuntu or something similar if you have a different flavour of Linux.

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If all else fails, reboot...
PHP Tutorials and MySQL Tutorials

We did change the password via the Linode dashboard. I am still getting this error.

You changed the MySQL root password from the Linode dashboard? I am not sure that is possible.

_________________
If all else fails, reboot...

PHP Tutorials and MySQL Tutorials

http://www.cyberciti.biz/tips/recover-m ... sword.html

that should do the trick.

system root password and mysql root password are not the same animal, they _may_ be exactly the same character wise they _may not_ be exactly the same character wise. Important thing is they are not the same entity.

That's just what I needed!