I changed my password to none and now i cant authenticate nor even cant do sudo?
82
How do I reset a lost administrative password?
100535
How can we change root password?
58819
Sudo not available in guest login
109370
Password not working in Graphical Applications (gksu)? Works with sudo
124795
sudo does not ask for password
88156
Can I set my user account to have no password?
66222
'sudo' not working after changing the permissions of '/usr' directory
33039
How to gain sudo access after powerwashing (factory resetting) my computer?
18871
How often is the password asked for sudo commands? Where can I set it up?
226
How do I reset a lost password (using recovery mode requires me to type the password)?
81806
Unable to login as root from the login screen even though I have a root account
4227
How do I login as root?
19524
How can I determine the sudo password?
13061
How do I make Ubuntu not ask me for my password?
71306
Which user's password does `sudo` asks for?
1566
Change password on root user and user account
61534
Prompt for sudo password rather than give access error