When I install the Ubuntu, I set a short password(<4). Now I want to change the other short password by "passwd" or change passphrase on "Password and Keys" program, it needs a password >4 char.
To change password use
To set up a simple password, I tried the simple
So I tried to remove the
So I also removed the
I do agree that it should be simplier, when acting as
By default, Ubuntu requires a minimum password length of 6 characters, as well as some basic entropy checks. These values are controlled in the file /etc/pam.d/common-password, which is outlined below.
If you would like to adjust the minimum length to 4 characters, add the appropriate variable (minlen=4) to the end of the line. The modification is outlined below.
Bring up a terminal and edit /etc/pam.d/common-password
Change this line:
Password also need a certain amount of complexity, as specified by the obscure parameter above.
removes that check also.
This all presupposes that you think this is wise.
These work on my system.