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

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3
votes
0answers
134 views

How do I manually add a password to the keyring?

My dad uses facebook all the time on my PC. The password keyring will remember only my accounts and not his (facebook account), it won't even ask to remember his password. I want the Ubuntu 13.04 ...
3
votes
0answers
480 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 ...
2
votes
0answers
21 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
606 views

Trying to access Windows 8 computer asks for password 14.04 LTS

I have installed Samba share on Ubuntu 14.04 LTS - I can see my Windows machine via 'Browse Network' but when I double click the icon it asks me to verify my username, workgroup and password. The ...
2
votes
0answers
74 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
100 views

lock screen asks for root password which I never set

I recently installed Ubuntu server on my server and I found out it had no gui by default. So I installed that with the help of this page Everything seemed to be fine so I started copying some files ...
2
votes
0answers
77 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
286 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 ...
2
votes
0answers
133 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
330 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
59 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
213 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
47 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
738 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. ...
2
votes
0answers
410 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 ...
1
vote
0answers
23 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
14 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 ...
1
vote
0answers
34 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
51 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
33 views

Reset Windows share password after 'Remember forever'

I've been happily connecting to a Windows share from my 14.04 machine. When I first entered the password for the share I chose to have it remembered forever. Yesterday I changed the password on the ...
1
vote
0answers
17 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
17 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
45 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
23 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
24 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
228 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
745 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
132 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
79 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
54 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
103 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
372 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 ...
1
vote
0answers
115 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
127 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 ...
1
vote
0answers
53 views

Type password with onboard

I noticed when use PCmanFM in Lubuntu 13.10 and I want to open a current folder as root, it will prompt me for password and I can't use onboard (virtual keyboard) to type the password. It's pretty ...
1
vote
0answers
58 views

Can't login after reset of password in recover mode

Ubuntu 12.04 LTS : I lost my password but found a way to reset it in this forum. After restart I was not able to login and got a short black screen with some text. I recorded a video of the black ...
1
vote
0answers
389 views

Cannot enter password in lock screen dialog after long suspend

I am currently using Ubuntu 13.10 and recently I've noticed that after my ASUS K56CB laptop goes into suspend mode, and is left like that for a long time (about an hour or more), the password input ...
1
vote
0answers
70 views

Desktop's “Connect to Server” function repeatedly asks for SSH password after connecting

I would like to use the "Connect to Server" function (available from the Ubuntu desktop menu) to open a Nautilus window showing the file system of another machine through SSH, since I find it easier ...
1
vote
0answers
27 views

Automatically enter a pw for a bit bucket account?

I have a git repo on an ubuntu 12.04 machine synced with a remote bit bucket repo. When I do a git pull I have to always provide a password. Is there a way to store that PW so that I don't have to ...
1
vote
0answers
306 views

Likewise-Open and Change Expired Password on Login Prompt is not working

I am having problem on Ubuntu 12.04 with Likewise-Open and Active Directory Authentication. I can change users password using passwd command on the machine. But if user password expires and he try to ...
1
vote
0answers
86 views

my user name and password are correct but still cant sign in to ubuntu 13.10

I am able to log in to Ubuntu 13.10 only as a guest user. I am unable to use my user name and password. I have uninstalled and re-installed Ubuntu 13.10 several times, created new user name and ...
1
vote
0answers
53 views

Imported VPN profile doesn't save group password

I have a *.pcf file with credentials for connect to Cisco VPN. Importing was successful, but when I want to connect - pop-up window requires group password. I'm checking that password - it's on place ...
1
vote
0answers
49 views

VPN password saving

I installed 13.10 but hated the window manager so installed kubunto-desktop . After that I had no network manager in the tray. I found a tray widget for it but it gives no option to save my VPN ...
1
vote
0answers
156 views

Grub superuser password is required for login on 13.10

According to this documentation: https://help.ubuntu.com/community/Grub2/Passwords, I am supposed to be able to just set the superuser password to protect the grub entries. Why is grub asking for a ...
1
vote
0answers
88 views

How to make password visible in Ubuntu login screen?

My six month-old child was hitting the keyboard of my locked laptop. And after some time I noticed that characters in the password entry field are visible (I mean not as asterisks). Is this some kind ...
1
vote
0answers
78 views

Password Protect a Workspace

Is there a way to password protect a workspace. So say workspace 1-3 are accessible and when you got to workspace 4 it asks for a password. Why do I want to do this so I could leave a password ...
1
vote
0answers
382 views

Change user password

Hi I have a chromebook 14. I recently installed crouton Ubuntu on it. The problem is, after the installation is done it ask me to put a user name and password. I enter my user name, but whenever I am ...
1
vote
0answers
186 views

After Joining Ubuntu to Windows Active Directory Domain, it always complain as Password Expired, why?

I've successfully joined my workstations (Ubuntu 12.04) to Windows Server AD using Likewise Open. When I create a user on the Windows server and tick ‘User must change password at next logon’ it's ...
1
vote
0answers
3k 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>
1
vote
0answers
88 views

How to unlock multiple encrypted partitions on boot?

I have two encrypted partitions sharing the same passphrase. I would rather not enter the password twice plus the login password. How can I unlock both partitions at once? Maybe even only enter one ...