Yosemite won't accept administrator password
48825
How to recover from a forgotten password for MacBook Pro?
103069
How to fix 'sudo: no tty present and no askpass program specified' error?
67021
Access denied for user 'root@localhost' (using password:NO)
125940
sudo with password in one command line?
109241
How to set a short password on Ubuntu?
122621
Allowing a user to use sudo without a password
16597
No password prompt at sudo command
20946
Use one password for administration and another for system login
16799
How do I disable administrator prompt in Windows 8?
156896
Is it possible to create an Admin Password Key to conveniently login?
46827
Windows 8 locked because the password were lost, how can I change it without needing to reinstall it?
122693
How can I upgrade Mac OS without the administrator password?
4382
What is the default root password?
149274
passwd pauses after bad password has been entered
27419
User update needed after updating to Mac OS X Yosemite
108561
Lost access to admin user account in my mac book pro
145773
How do I change my Stack Exchange password?