0
votes
0answers
32 views

while configuration of samba for ubuntu 12.04 client acess is denied

First i was login as root sudo su - apt-get install winbind samba Add the following lines to the /etc/samba/smb.conf in the [global] section. security = domain netbios name = UBUNTU_01 password ...
0
votes
0answers
32 views

Ubuntu 12.04 Authentication is broken

I'm running Ubuntu 12.04 LTS on VM. It was fine till last friday. There were some updates available, some were related to security stuff, I don't remember exactly. After that my system is broken. I ...
1
vote
0answers
63 views

PAM authentication using ssh key instead of password

When I try to use chsh to change my default shell, I get prompted for my user password. The problem is I log in using my SSH key and do not have a user password - by design. Yes, I can set a ...
0
votes
0answers
127 views

PAM authentication failure

I got a dedicated server from a reputable hosting company. Unfortunately, they're one of those companies that thinks enabling root access is a good idea. I've successfully disabled root access and ...
0
votes
1answer
204 views

Unable to login through GUI as a user but I am able to login via terminal

I am unable to login through GUI as a user but I am able to login via terminal. This occurred after I installed 2 steps authenticator of Google using apt-get install command. I followed these steps: ...
0
votes
1answer
334 views

Login with facial recognition in Ubuntu 13.04?

I have tried to install „PAM face authentication“ with the following commands: sudo add-apt-repository ppa:antonio.chiurazzi sudo apt-get update sudo apt-get install pam-face-authentication But it ...
0
votes
1answer
91 views

Identification and Authentication methods in Ubuntu

Since I have a very long password, I would like to additionally use an alternative login method. Which other authentication methods are possible in Ubuntu to log in?
0
votes
1answer
58 views

Cascading Authentication PAM login

I'm trying to set up an authentication scheme for Ubuntu using the pam files. However, I cannot figure out how to have two separate methods of authentication. I've set up a Yubikey authentication, ...
0
votes
0answers
30 views

Different GUI fonts / settings is loaded depending on login speed

I'm observing very strange behavior on Ubuntu 12.04. I have a linux desktop in company network and user is authenticated against remote authetication server. It obtains IP address from DHCP server. ...
3
votes
4answers
2k views

Not able to login through GUI in Ubuntu 12.04

I'm unable to login through GUI. On typing the correct password, I get a black screen and back to login screen. However, when tried with tty1 I was logged in. Then I tried reinstalling lightdm and ...
1
vote
1answer
248 views

I can authenticate but can not login in using my password?

Here is my story : there were days when I had my password and everything was fine. I removed my password : Opened User accounts Unlocked it by pressing "Unlock" button Selected my username (btw, I ...
3
votes
1answer
722 views

Login on local terminal without password

I have a virtual guest of Ubuntu on a KVM Machine, I've setup the machine so I can type virsh console and be dropped into a console. I realise the security considerations here, but is it possible to ...
3
votes
2answers
346 views

Immediately after login, my 12.04 LTS desktop asks for my password for “Authentication is required to change user data”

I have two Ubuntu 12.04 systems, one a desktop, and the other running as a NIS/NFS server (a desktop with lightdm disabled). When I login, I get the dialog (not error) "Authentication is required to ...
1
vote
1answer
250 views

I cant login in Ubuntu Server after passwd command [duplicate]

Possible Duplicate: Authentication token manipulation error I installed Ubuntu Server using Oracle VM on my Windows 7 for practicing GNU commands. I used the passwd tool but after using ...
1
vote
2answers
3k views

Can't log-in anymore

I installed Ubuntu x64 12.04 Desktop LTS on my new laptop three days ago. Of course when I installed it I did an "apt-get upgrade" and a "apt-get update". I modified the .bashrc file to add some ...
13
votes
3answers
6k views

I deleted the “/etc/passwd” file and cannot log in

I was trying to change my username and also my home directory (/home/username) and my system started to crash. I deleted the passwd file but I had a backup named passwd_bkp. I tried to rename this ...
2
votes
1answer
1k views

After Upgrade to 12.04 the Login takes forever

I recently upgraded from Xubuntu 11.10 to 12.04. Since then it takes a very long time for me to Login. The time it takes to get to the login screen is normal but after I type in my password it takes ...
1
vote
0answers
678 views

Ubuntu unlock screen is “checking password…” too slow [closed]

Question When I don't use my laptop (with Ubuntu 11.10 (x64) and Unity 2d) for 5-10 minutes, it automatically locks. After that, when I'm trying to unlock it, it asks for the password. After I enter ...
0
votes
1answer
4k views

How do I enable account lockout using pam_tally?

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 ...
2
votes
1answer
173 views

Admin authentication takes forever

I am running ubuntu 10.10 installed through wubi. When every I have to authenticate for administrative privileges (like for installing software), the authentication window just hangs there forever ...
1
vote
2answers
1k views

How can I use face authentication to log in?

I got a new Dell laptop and I used to login into Windows using webcam authentication. Now I have removed Windows and installed Ubuntu but I could not find any application for face authentication. How ...
3
votes
5answers
4k views

Gnome/X logs off immediately after login — which logfiles are relevant?

I've been tinkering with fingerprint-gui as well as X/xrandr resolution settings. When I start my machine, it boots up normally. As soon as X and gnome have finished starting, it logs me off ...
0
votes
1answer
223 views

User credentials not recognised in virtual terminal

Whenever i switch to a virtual terminal, using ctrl+alt+F1 etc.. it asks me for my user credentials: *computername* login: At this point i enter my Username, followed by my Password. However the ...