To be clear: the problem here is that the password change dialog in user
accounts inside gnome control center demands that you enter your
existing password. This isn't possible after you have previously cleared
the password.
Changing the password at terminal with passwd works, but causes the
greeter to misbehave.
** Changed in: ubiquity (Ubuntu)
Status: New => Confirmed
** Package changed: ubiquity (Ubuntu) => gnome-control-center (Ubuntu)
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https://bugs.launchpad.net/bugs/1070449
Title:
"Login without password" option effectively locks super user out!
Status in “gnome-control-center” package in Ubuntu:
Confirmed
Bug description:
I installed Ubuntu 12.10 with the option to log my main user with a password.
Then I added two other users and changed all three accounts to log in without
a password.
This nulled my main user's password and stopped the ability to sudo and make
any system wide changes!
Also the password can not be set back on, as there is no valid password to
authorize any actions! In effect, you are completely left without a super user
for your computer and cannot install updates or programs or do a whole lot of
anything.
There is a remedy to this and it is to go to the terminal and typing
passwd, after which you can re-set your password. However this is not
clear to many users, and that's why the Users panel simply should not
be able to null your password even if you prefer to login without one.
Very critical to get fixed asap!
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