Questions regarding passwords and the use of them. Where and when it is needed for system security.

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3
votes
0answers
87 views

Lock screen asks for password on no-password account

The Ubuntu lock screen always asks for a password even when the account does not have password. In my opinion, it should be exactly like the login screen: a button "connect >" for accounts that don't ...
3
votes
0answers
352 views

Xubuntu: How can I avoid the double-password entry (lightdm then xscreensaver) on user switching?

I'm running Xubuntu raring with lightdm and xscreensaver. Both users on the system have xscreensaver set to lock the screen after n minutes. However, when I click "switch user" (or do gdmflexiserver ...
3
votes
0answers
587 views

How to display password policy information for a user?

Ubuntu Documentation > Ubuntu 9.04 > Ubuntu Server Guide > Security > User Management states that there is a default minimum password length for Ubuntu: By default, Ubuntu requires a minimum ...
3
votes
0answers
463 views

ecryptfs-setup-private login passphrase incorrect

I'm trying to access my former home folder. When I run ecryptfs-setup-private, I am asked for my login passphrase which returns ERROR: Your login passphrase is incorrect. I have tried both, my ...
2
votes
0answers
34 views

Getting “No key available with this passphrase.” when trying to add a new LVM encryption password

I am getting "No key available with this passphrase." when I try to reset the password for the LVM encryption on my Ubuntu box. I have tried the following commands: sudo cryptsetup luksAddKey ...
2
votes
0answers
132 views

Not accepting the crypt disk password at boot to unlock the disk for ubuntu 14.04

This is really a major issue. Check what happened. Please Help me with a solution... I had windows 7 installed in my laptop. I decided to install ubuntu 14.04 and remove windows 7. So while ...
2
votes
0answers
119 views

How do we implement requirements of password policy?

This question might look similar but I could not find a solution to this which covers all the below requirements of the policy, Hence please help me: - Incorrect pass lockout (after 3 incorrect ...
2
votes
0answers
34 views

Validate password against regular expression?

Is it possible to somehow set a regular expression that would validate a user's password? So that if the regexp is set to: ^qwerty|йцуке$ than both qwerty and йцуке will be valid passwords. I want ...
2
votes
0answers
46 views

How to change pptp vpn remote password 12.04

I'm looking for a way to change my pptp VPN connection password on the remote server, is there any way to do this? I know that from windows if the password expires the connection automatically prompt ...
2
votes
0answers
118 views

LDAP Client change Unix and Samba password

I have to work in a mixed Windows/Linux world as far as desktop clients are concerned. I've got a central OpenLDAP server with Samba3 that serves a fake windows domain which keeps the Windows guys ...
2
votes
0answers
852 views

broken gnome-keyring file and google-chrome hangs

After few weeks of uptime yesterday i rebooted my laptop. After that - i discovered that there is no password in gnome-keyring. gnome-keyring segfault and didn't work. I restored ...
2
votes
0answers
85 views

Select account based on password instead of username

Sometimes I might be forced to open my PC in front of strangers for some reason. In front of other people, I would like to make it appear that I'm logging in normally into my computer, but secretly I ...
2
votes
0answers
6k views

Is there a single line command to do `su`?

I can do an su with su <username> and it asks for my password. Is there a password parameter for su such that i wont be prompted for a password? e.g. su <username> -p <password>
2
votes
0answers
108 views

Password changed for no reason?

I'm having a problem logging into my computer. I have Ubuntu 12.04 and I am 100% sure I didn't change my password, although I tried typing it 100 times, it's not working. I restarted the computer, I ...
2
votes
0answers
164 views

Prevent that TrueCrypt gets Administrator rights

If I try to open a TrueCrypt drive, TrueCrypt asks me for my administrator-password (also when I am a normal user). I know, that i can prevent this password-asking by editing the sudoers file = giving ...
2
votes
0answers
349 views

problem sharing printer via samba in Ubuntu server 12.04

I have cannon ImageRunner 1133 I want to share it through samba with cups server installed on Ubuntu server 12.04 it works all fine I installed samba and cups server ubuntu and windows clients can ...
2
votes
0answers
60 views

Why do I see a screen showing all text I typed during the session on logging out?

When I log off of Ubuntu 12.10, a screen appears shortly with all the text I typed during the session, including passwords and such. Is this supposed to happen? [update] The screen is fullscreen ...
2
votes
0answers
261 views

making login.defs active

I am attempting to apply a new password policy on my Ubuntu Server 12.04.1. I have edited the MAX_PASS_DAYS 30, MIN_PASS_DAYS 2, PASS_WARN_AGE 7 in /etc/login.defs. The new rules do apply to any new ...
2
votes
0answers
49 views

Pasword space is blank under VMWare, what can I do?

I upgraded to Ubuntu 12.10 on my VMWare and now the password space is just not there. It says the name of user but no space to enter the password. What to do?
2
votes
0answers
806 views

I can log in with my password, but it's not accepted as valid for authentication

I can log in with my password just fine, but when trying to use sudo to run commands or authenticating to install software, my password does not work and my account is an administrator account. ...
1
vote
0answers
19 views

Sometimes ubuntu ask me my password to mount and shutdown my computer

Sometimes Ubuntu ask me my password to mount my partitions (and I haven't set this feature) and whenIi want turn off my computer. I guess is related with a partition using GParted ( I do this to ...
1
vote
0answers
21 views

Find sensitive data/way tool

For an IT challenge, I've been asked to find all sensitive data (bookmarks, browsing history, pictures, videos, logs,passwords, ... ) on a protected Windows host machine. So far, I've been able to ...
1
vote
0answers
26 views

Auto Login sometimes fails and requires a password

I am setting up some old laptops with Ubuntu 14.04 for students in kindergarten through 3rd grade. I want to have them boot automatically into Ubuntu with a username of egpl I do NOT want to require ...
1
vote
0answers
32 views

Connecting to windows 7, mount.cifs error(115)

I'm trying to share a "Share" folder located in my Ubuntu 14.04LTS desktop with my Windows 7 computer through my local wireless using: sudo mount.cifs //WindowsPCname/Users ...
1
vote
0answers
60 views

How to change forgotten password without bios ?

When I logged in today on my laptop and tried to do something in konsole it asked me for my password. So i typed in my password like 100 times and it keeps on saying that It's incorrect. It worked ...
1
vote
0answers
35 views

$password with ssh chpasswd

I've a problem with "ssh chpasswd" .. I need to implement the "$password" of register.. Eg.. I've this code.. echo $ssh->exec("sudo sh -c 'echo $user:test | chpasswd'"); When the script is ...
1
vote
0answers
44 views

I always get “Invalid password” on my first attempt to log in (and after long locks)

At work I'm running Ubuntu 14.04 and on first boot, or after it's been locked for too long, my first attempt to login/unlock the computer will be met with Invalid password no matter how careful I am. ...
1
vote
0answers
107 views

Authentication not working properly after using fingerprint authentication in Ububtu 14.04

I installed fingerprint-gui to use fingerprint scanner in my thinkpad. The commands used were sudo apt-add-repository ppa:fingerprint/fingerprint-gui && sudo apt-get update sudo ...
1
vote
0answers
45 views

Stuck in Unbuntu Login Loop 11.10 / 12.04

I know there are places discussing login loops, but not of the solutions I have seen and tried have worked for me. Two days the computer froze, and when I restarted, I got a blank screen with a ...
1
vote
0answers
42 views

Can login via ssh, but not system tty

Here's something weird. I can: ssh xyz@localhost provide my password, and login as xyz. However, I if hit ctrl-alt-F3 to go to the system prompt, and try to login as the same user xyz I get a ...
1
vote
0answers
33 views

Cannot log into new user account

I am trying to set up a user account for my girlfriend on Ubuntu 14.04. Every time I try to set it up, the account is created with the right name, but I cannot get the account to log in. If I set the ...
1
vote
0answers
213 views

su - Authentication failure; account accessible from root, not from user

I know there are tons of articles about authentication failure, but I think my case is specific. I have created groups and user oracle using this link: ...
1
vote
0answers
115 views

Authentication required before suspend

Since the last update of Ubuntu 14.04, when I press the sleep button in my laptop, a pop-up window appears with "Authentication is required for suspending the system". Password is not requested when ...
1
vote
0answers
23 views

Entering an encrytion phrase through a serial port connection

I am building an Ubuntu 14.04 stand alone server, text install. I have rerouted the console through serial port /dev/ttyS0. During boot I am getting the full boot up display through the serial port. ...
1
vote
0answers
149 views

Administrative Password doesn't work after it changed by GUI

I am new to Linux. I have changed my administrative password by GUI (under user accounts setting). But Now its not accepting my password. It says wrong password try again. I am using Ubuntu 14.04 LTS ...
1
vote
0answers
36 views

Ask for password when shutting down

How to ask for sudo password after click in shutdown button in the shutdown menu instead of shutdown instantly? What I want to achieve for example is something like what gksu does.
1
vote
0answers
354 views

How to change proxy settings with authentication?

I am using Ubuntu 13.04 and having WiFi connection with proxy settings and authentication. By following some tutorials I successfully changed /etc/apt/apt.conf with the values Acquire::http::proxy ...
1
vote
0answers
25 views

Samba password expires?

I have a problem with samba, I have a user and a password for that user, and from a windows machine it let's me log in but after a few hours I try to log in again and it tells me that the password is ...
1
vote
0answers
24 views

fprint-demo casusing authentication failure

I installed fprint-demo in Ubuntu 14.04 unfortunately I did not setup the finger prints and when I try to log in; its denying my password. I tried to remove the password in recovery mode: rw -o ...
1
vote
0answers
74 views

SSH user problem

I am sort of a Unix newbie, trying to set SSH for my 12.04 server. I have 2 users in my system one has password the other does not, both are set as admins. My object is have the passwordless user ...
1
vote
0answers
31 views

Disable Nautilus password saving

It's possible to disable the Nautilus's password saving capability when I connect to windows share? I want to achieve that every time the user opens a password protected windows share, he/she should ...
1
vote
0answers
58 views

sshd_config file is being overwritten on reboot

I need an AWS server to accept password authentication and whenever I remove the hash and set PasswordAuthentication yes After reboot or create image and launch a new instance, the # is added back ...
1
vote
0answers
329 views

Upgrade from 12.04lts to 14.04lts login loop

Kinda a newb but I upgraded from 12 to 14 when I did I changed my login password now when I try and login I get into a loop, if I do this I can login in "These suggested instructions apply to my case ...
1
vote
0answers
2k views

How to change password requirements?

I tried to change my Ubuntu password but it keeps saying my new password is not "Good Enough" even when it passes my company security requirements: At least 8 characrters At least one number At ...
1
vote
0answers
332 views

Can you use gnome keyring in bash script, if yes then how?

I am developing a automated mounting script for Windows shares. I have finished the script and it works just fine, but is it possible to add Gnome Keyring to the bash so once user writes hes/hers ...
1
vote
0answers
119 views

Force lock screen password input to NOT use Japanese iBus IME

Since I upgraded my 2 laptops from 13.10 to 14.04, I sometimes have a problem entering password to exit lock screen: When typing in the password field of the lock screen, I see that the usual dark ...
1
vote
0answers
68 views

User Login Screen is not asking for password

My laptop is no longer requiring a password for my account from the user-login screen. No matter what settings I change, it never asks me for a password unless I am unlocking the screen from a ...
1
vote
0answers
130 views

Dealing with Password expiration from AD with Likewise

We are running machines with Ubuntu 12.04 LTS, associated with our AD via Likewise. When logging in, we get the warning that the password is going to expire, however, we are unable to actually change ...
1
vote
0answers
154 views

How to set a password on recovery mode in GRUB

Any one can reset the root and other user's password by going in recovery mode. SO I want that on the recovery option GRUB require a password to enter in recovery mode. But user can login UBUNTU ...
1
vote
0answers
235 views

How to enter password on console with NetworkManager's nmcli

I want to connect to a VPN with nmcli. Is there a way to allow me to provide a password to nmcli from the console? There seem to be ways to store the password in ...