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

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7
votes
3answers
9k views

How do I make Ubuntu not ask me for my password?

I'm confident that I do not need a password for my computer. How do I remove passwords for things like when the screensaver activates and installing software?
7
votes
3answers
399 views

How do I change my password?

How do I change my password for Ubuntu?
7
votes
1answer
22k views

How do I remove Ubuntu's password requirement?

Here are my circumstances: I am running Ubuntu 12.04. I have one user account. I absolutely hate the password requirement. How do I disable this requirement such that my Linux computer will behave ...
7
votes
3answers
16k views

Samba does not accept my password

I have installed Samba onto Ubuntu 12.04 Server but I can't login as it says my password is incorrect but I am the only user so there are no other passwords. I have tried changing the password ...
7
votes
2answers
4k views

How to make Chrome/Chromium remember passwords in the gnome seahorse keyring?

Is it possible to make chrome or chromium (as that comes default in the repos) to use the Gnome seahorse as password vault? I have not found a way to do this for Firefox either, but maybe a solution ...
7
votes
1answer
4k views

Xubuntu: No password request after suspension

If I suspend my Xubuntu 12.10, and then take my computer off the suspension, it doesn't request any password. I have tried adding the gnome-screensaver on autostart settings, which I read somewhere ...
7
votes
5answers
27k views

How can I unlock a password locked rar file without knowing the password?

I have .rar file that is password protected, but I accidentally have forgotten the password. The file extremely important to me. How can I get my file back? In windows, there was many programs that ...
7
votes
2answers
8k views

How to reset lost user password on a guest on VMWare server?

I have a ubuntu 10.10 VMWare image that I set up a while back and have forgotten the login details. Normally I'd boot into single user mode to fix this, but I'm having trouble doing this on the ...
7
votes
1answer
7k views

How to remove/change saved SVN passwords?

I'm using SVN from Eclipse and it has a feature that allows you to save the SVN user and password. It think it uses something called gnome-keyring to do so. The problem is that now I need to use ...
7
votes
0answers
10k views

Can I run sudo without entering a password? [duplicate]

Possible Duplicate: How to run an application using sudo without a password? I like Ubuntu, but I hate entering a password every time when I run a command with sudo. Can I avoid it?
7
votes
0answers
923 views

How do I reset my password? [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? I inherited a machine with Ubuntu desktop installed. It has a password in place and I have no idea what the ...
6
votes
2answers
4k views

Password not working in Graphical Applications (gksu)? Works with sudo

I am having a problem where when I try to run say GParted, when I am prompted for a password, it says "Incorrect Password" But when I enter the same password using terminal sudo gparted for example, ...
6
votes
6answers
268 views

What strategies (especially available software) do you use to keep passwords safe?

Inspired by the recent issue with the Gawker network sites, I've been re-evaluating my password management. What strategies do you use to keep passwords safe? I'm particularly interested in ...
6
votes
1answer
441 views

How to configure pkexec to not ask for password?

I have a GUI application that needs to call a daemon (written in Python) with superuser privileges. I would like to do this without prompting the user for a password. Since the daemon is a script, I ...
6
votes
2answers
577 views

Why I'm not asked to set a password for Root when Installing Ubuntu?

When I install Ubuntu, it never shows an option to set a password, yet there is a password when trying to log in to the admin account and when I try to install packages. I can't change the password in ...
6
votes
1answer
2k views

What hash algorithm is used for passwords stored in shadow in 11.10?

I'm a little bit confused if it's MD5 or SHA.
6
votes
4answers
8k views

Administrator account with no password is unusable

I tried removing my administrator account's password. Now that there is no password set for it, I cannot put a new one nor do any actions which needs administrator privileges. I tried different fixes ...
6
votes
4answers
780 views

Making touchpad and resume password changes permanent

in Ubuntu 10.10 I really don't want any password on resume on my EeePC, so I have to run gconftool-2 --set --type=bool /apps/gnome-power-manager/lock/suspend false and I want two finger middle ...
6
votes
5answers
37k views

How to change root password in ubuntu?

I am trying to change root password in my Ubuntu system. This is what I did: ashot@ashot-desktop:~$ sudo passwd root passwd: Authentication token manipulation error passwd: password unchanged ...
6
votes
3answers
1k views

Is Gnome keyring safe?

I've always read keyring like Gnome-keyring is safe way to save credentials. I don't understand it. If I open my Gnome-keyring in my Ubuntu Desktop, I can right click any entry and click show password ...
6
votes
2answers
2k views

Thunderbird does not store remote address books' passwords

I have the following problem: I am running a Ubuntu 13.04 64 bit on a Lenovo Thinkpad S430. As email composer I use Thunderbird (24.0). All my contacts are being synced from an ownCloud address book ...
6
votes
2answers
3k views

How do I get Ubuntu to ask me for a password at login again?

I just installed Ubuntu 12.10 and afterwards, I accidentally set the administrator account password to empty/null. This gave me problems when trying to do administrative tasks in the GUI, so after ...
6
votes
1answer
3k views

Storing passwords with python keyring

I'm using keyring library to store passwords in my python app. import keyring keyring.set_password('My namespace', username, password) keyring.get_password('My namespace', username) And this works ...
6
votes
4answers
1k views

How safe are my files in /home?

This is a community wiki. I would really like other folk's thoughts on this. I do not want to discuss the ethics of storing plain text passwords either. For those unfamiliar, libpurple is the library ...
6
votes
2answers
1k views

Ubuntu 13.10 isn't remembering my passwords anymore, why?

Ubuntu's password management used to be working just fine for me, but around two weeks ago after running apt-get upgrade, I've noticed that now it keeps "forgetting" my passwords. For instance, I ...
6
votes
5answers
8k views

my admin password is rejected [duplicate]

I am the administrator and original user of our 11.04 server with GUI. (my name, my password were all given when installing). But it frequently rejects my password (and every other user's password) ...
6
votes
3answers
345 views

Why I have to wait some seconds before I can input my password on login?

When on login I click on the user, immediately shows password field but before I can type it I have to wait some seconds, sometimes even 5! I don't see this problem on other computers that I have, ...
6
votes
1answer
1k views

Opening terminal asks for sudo password

Whenever I open a new terminal within 12.04, I am prompted to enter my sudo password. Why is this happening?
6
votes
2answers
314 views

Password protect individual apps

Can I give certain applications their own rights, e.g. passwords, different from root password? The reason I want to do this is, apps like compiz, settings manager, that don't need root access. This ...
6
votes
5answers
9k views

Unlock all private keys on Ubuntu, entering password only once at login

I login to Ubuntu 12.04 using a password. Later on, when I use my browser(Chrome), I'm asked for a password to unlock the keychain so that the browser can access my saved credentials for various ...
5
votes
3answers
411 views

how do I enter a sudo command when part of my password contains uppercase letters and numbers

Part of my password contains numbers and uppercase letters. How can I know that I am correctly typing my password in a terminal when invoking sudo? I am not very computer literate, so I would ...
5
votes
3answers
441 views

How to ban an IP temporarily after several incorrect password attempts?

My new server got hacked (sigh). I have physical access to my machine. It seems like the only changes made was a new user account created and a broken /etc/sudoers file. It seems as though the ...
5
votes
3answers
23k views

How do I turn off all the password prompts?

I've been using Ubuntu 12.04 LTS since release and am trying to figure out a couple things about all of these passwords and key-ring prompts that I've just been living with for a while. Ever since ...
5
votes
1answer
7k views

Why am I not asked for password at startup?

I have Xubuntu 11.10. When I log out and in (without restarting the computer) I am always required to chose a session and provide a password for entering that session. But when I restart the ...
5
votes
2answers
9k views

Encrypting Files and folder through terminal

I am new to part of encryption on Ubuntu . Is there any way to encrypt files and folder with password from terminal ? without using truecrypt or cryptkeeper etc.
5
votes
4answers
6k views

How to move wifi passwords to a new installation

I have an Acer Aspire ZG5 netbook which is currently running Jolicloud, but I've decided it isn't for me and plan to switch to Lubuntu or Xubuntu. However, I do lot of travelling and have many saved ...
5
votes
1answer
6k views

Unable to change user password in Ubuntu 12.10

The User Password is not changing for some reason. In the terminal it says password updated successfully, $ sudo passwd [sudo] password for zaigham: Enter new UNIX password: Retype new UNIX ...
5
votes
1answer
2k views

What is my user login password?

Just got a new netbook running Ubuntu. When I turn it on it auto-logs-in to the desktop automatically, but when I try to connect to the wireless network it wants my Keyring password to store the ...
5
votes
3answers
565 views

How to add a Password to User Account if previously it set to “Log In Without Password”

I'm using Ubuntu 11.10 and some time ago I opened User Accounts with Administrator Privilage and I made change as "LOG IN WITHOUT PASSWORD" and now I want to add a password to My User Account. But I ...
5
votes
3answers
1k views

Which is the easiest way to reset the mysql root password?

In the past there has been sudo /etc/init.d/mysql reset-password, (1) is manually restarting and setting the password with an sql command again required? (2) (1) ...
5
votes
2answers
13k views

How to reset a password from kwallet?

How to reset a password from kwallet? I've read about a kwallet GUI that could be installed from synaptic, but I found nothing. Actually, it shows a GUI asking me the password, so is must have ...
5
votes
2answers
6k views

Installed perfectly but password not working for login or authentication

I installed Ubuntu on an old XP machine (replaced XP with Ubuntu) and it seemed like it went well... Until I tried to download and install the suggested updates! The password I set during ...
5
votes
3answers
3k views

How to set user passwords using passwd without a prompt?

I am writing a script to add a large amount of users to a system. Part of this involves setting default passwords for each user. How can I set users' passwords without it prompting me for the password ...
5
votes
1answer
2k views

Set encrypted home passphrase

I just reinstalled Ubuntu, Natty. I set to use encrypted home, but once the system was running, I was asked to define the encrypted home passphrase. Out of haste, I skipped that, but now I want to ...
5
votes
1answer
135 views

password on resume

I would like to not have to enter my password on resume after closing the lid on my laptop. I used to be able to do this but can't find the option anywhere anymore. all the notes I have found say go ...
5
votes
1answer
772 views

Password problem after creating a new user

I created a new user account and when I try to login to that account by switching accounts it said wrong password. I searched here and found my answer here - Create a new user in 12.04? Now when I ...
5
votes
2answers
771 views

Precautions during SSH [duplicate]

Possible Duplicate: How can I audit users and access attempts to SSH on my server? I recently had to give away my Ubuntu 12.10 root password to one of my friends so that he could SSH into ...
5
votes
1answer
222 views

How do I allow a group (except one user in that group) to use sudo without a password?

How do I allow an entire group, except a certain user in that group, to use sudo without providing password?
5
votes
1answer
416 views

How to prevent wireless network asking password when briefly out of range

When I'm connected to a wireless network from quite far away I sometimes briefly lose the connection. Then Network Manager prompts me to re-confirm the password as if it suspected that was the problem ...
5
votes
1answer
143 views

Is there a way to set the MAAS password via a preseed?

As has been asked before (here and here) I need to set a password during commissioning for my nodes. I realize that ssh keys are set (and I have one) but I need to log in to the node directly as ...