1
vote
1answer
185 views

Sudo does not recognize my password anymore

The problem is happening on a remote server, so everything is done through ssh. I can login with my key, no problem here. I can change my password at will with passwd (which I believe shows that it's ...
0
votes
0answers
237 views

passwd history through PAM not working (and weird 'Authentication token manipulation error' when using passwd)

I'm trying to set my password policy to remember the last two passwords a user chose, and to prevent him or her from re-using those particular passwords. I'm currently running Ubuntu 12.10 through ...
0
votes
0answers
100 views

Checking if a password is correct is taking a very long time?

When trying to log in to KDE or Unity, or to switch users with su, I type my password and have to wait just over two minutes to be logged in to any of my various accounts on my local system. This did ...
0
votes
1answer
162 views

Password not accepted at login

I had tried to setup kerberos authentication to log into some ADS thing at my new university, however that didn't work and resulted in me having to enter my password twice for everything. So I did: ...
3
votes
1answer
1k views

How to enforce company password complexity in 10.04?

I need to configure a Ubuntu 10.04 server to follow a strict company password policy that specifies the following: at least one upper case at least one lower case at least one digit at least one ...
8
votes
2answers
4k views

How do you set requirements (such as minimum length) on passwords?

Is there any way to set up minimum passcode requirements, such as a minimum length, requirement of mixed case alphanumerics and at least 1 symbol in the passcode, and enforce that at passcode changes? ...
0
votes
1answer
3k views

How do I enable account lockout using pam_tally? [closed]

I am trying to implement account lockout in ubuntu using pam_tally. I have tried adding the follwing lines in /etc/pam.d/common-auth auth required pam_tally.so deny=3 account required ...
4
votes
3answers
7k views

Where are passwords stored?

How do you figure out where are user's passwords stored, for users that can login? I know the system is using LDAP for users (username, home path, etc.), but it doesn't contain any kind of passwords. ...