Resetting password when GRUB is not installed
5413
How can I repair grub? (How to get Ubuntu back after installing Windows?)
124236
Why I'm not asked to set a password for Root when Installing Ubuntu?
83497
Change user password while password is empty
1694
How do I set the grub timeout and the grub default boot entry?
16289
How do I uninstall GRUB?
24618
How to find out root password for installing software
77097
Uninstallation password
78197
How to set user passwords using passwd without a prompt?
100535
How can we change root password?
71024
How to recover/reset forgotten Gnome Keyring Password?
19762
How to reset Ubuntu installation
99370
Why does Ubuntu force users to create a password upon installation?
143086
Cannot authenticate without a password
48023
Why won't Ubuntu installed using Wubi accept my password?
74199
Boot GRUB to entry not booted to last time?
79880
How to boot to the recovery mode if it is not listed in Grub?
41074
How do I log into my Linux laptop if I have forgotten both the login and password?