How to upgrade CE 3.0 to 3.3

1. Make sure to BACKUP your data first!!!

2. Set your MySQL root password temporarily to "vicidialnow".

Skip command below if your MySQL password is "vicidialnow" 

# mysqladmin password vicidialnow -p
Enter password:

3. Update your system to CE 3.3

yum update -y

4. Revert back to your MySQL root password

5. Reboot (easy huh?)