lost my username/administrator passwords
82
How do I reset a lost administrative password?
84473
sudo for users with empty passwords
87514
Access denied even though I'm an Administrator?
6555
Account not acting as an administrator correctly
150103
How can I retrieve an entry from /etc/passwd for a given username?
226
How do I reset a lost password (using recovery mode requires me to type the password)?
145773
How do I change my Stack Exchange password?
70235
What registry access can you get without Administrator privileges?
122596
What is my user login password?
7747
How to get rights of admin after I disabled all admin accounts in my computer
22766
How to change/rewrite the lost password url?
18006
How can I get admin access to a Mac without knowing the current password?
106720
I can't access the root account anymore: user is not in the sudoers file
4382
What is the default root password?
77097
Uninstallation password
86493
Why is the password I entered not visible?
154395
How do I migrate users passwords?