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

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6
votes
4answers
604 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
11k 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
350 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
1answer
1k views

How to let Muon update manager run without entering a password?

How to prevent Muon from asking a password when installing updates? Adding user ALL=(ALL) NOPASSWD: ALL to sudoers does not help. sudo apt-get upgrade works without a password, but Muon is still ...
5
votes
3answers
500 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
6answers
3k views

mysql-workbench and Gnome keyring daemon problem

when launching mysql-workbench I have the following warning: [12:13:49] coil@coil:~$ sudo mysql-workbench & [12:14:03] coil@coil:~$ ** Message: Gnome keyring daemon seems to not be available. ...
5
votes
3answers
13k views

Adding NOPASSWD in /etc/sudoers doesn't work

On 14.04 here. I SSHed into my machine, added the following line to /etc/sudoers: myuser ALL=NOPASSWD: ALL And then tried running: sudo mkdir /etc/blah ...and I'm being asked for my password. ...
5
votes
3answers
5k views

Is there a way to lock my browser with a password?

It would be OK if it was only with my login password, but I would like to lock both midori and Firefox so that they cannot be used without entering a password. I'm running 12.04.
5
votes
3answers
505 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
1answer
11k 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
1answer
287 views

How stop Ubuntu from reading my password out loud every time I log on?

I turned on a certain feature on the login screen and now my password is read out loud when I type it on login. What did I turn on, and how do I turn this back off?
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
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
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
4answers
315 views

Cannot unlock session if user has no password

I created an account with no password for my 3 year old child. After some time of inactivity on that account, the session locks. Then I cannot unlock the session. Trying to unlock with an empty ...
5
votes
3answers
26k views

Bash - 'if' statement: compare two strings

I would like to make a script that deletes a directory with rmdir after confirming with a password using read to set the variable. So far I have this: #!/bin/bash -x echo "Password:" read -t 30 S1 ...
5
votes
4answers
10k 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
714 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
2answers
2k views

Password field of login screen is disabled

I'm using ubuntu 14.04, here in the 'login screen' the password field is disabled, this issue also occurs sometimes during 'lock screen'. I don't want to remove password from my account nor do i want ...
5
votes
2answers
888 views

“System problem detected” password fail [closed]

I have multiple Ubuntu Precise servers and workstations, all of which suffer from the same really infuriating problem: when the "System Problem Detected" dialog comes up due to something or other ...
5
votes
2answers
4k views

How to disable password on Hibernate/Suspend?

I have installed Ubuntu 11.10 and on suspend/hibernate I am asked for password. I couldn't find apps > gnome-power-manager > lock in gconf-editor. What's the solution for this?
5
votes
2answers
481 views

First password often wrong when unlocking computer

I have a laptop with Ubuntu 14.04, when I lock my computer and try to unlock it after some time has passed (not if I do it immediately) the first time I try to unlock it, it will tell me that my ...
5
votes
2answers
10k views

How to avoid typing ssh-add everytime

I read and followed some online documentation on how to set up a ssh-agent so that I don't need to type in password every time I ssh to a remote machine. However, with the help of ssh-agent, I still ...
5
votes
1answer
201 views

Any reason to have a strong user password?

I recently decided to change my (very) strong user password to something trivial. This was mostly to eliminate frustration with typing a long password each time I sudo or whatever. My question is, ...
5
votes
1answer
156 views

Set password aging for a group of users

With chage command we can change password expiry information for a user. Is there anyway to enforce password aging for a group of users?
5
votes
1answer
193 views

How to specify in password input dialog the language always to be English?

In Gnome I often enter sudo password when Russian language is being selected. It's so annoying to wait for password verification fail, to switch to English and retype the password! Is there a way to ...
5
votes
4answers
1k views

After Login there is a strange window asking for a password

since upgrading to Ubuntu 13.04, I get a window asking for a password for my email address. The window appears after logging into the desktop. The window is titled "Zugangsanfrage" (access request) ...
5
votes
1answer
241 views

Multiple Passwords on One Account

I'd like to join three ideas into one interesting and sometimes useful feature. There was a question about using multiple passwords earlier this year, but it didn't receive much attention. I'd like to ...
5
votes
1answer
179 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
2k 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
868 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
3k views

How can I change the password of Deja-dup (Backup)?

How can I change the encrypted password of Deja-dup (Backup)? I have set the encrypted password, it worked in the first two days, but now every time the backup starts it asks for the password I type ...
5
votes
1answer
266 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
441 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
235 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 ...
5
votes
1answer
369 views

MD5 hashing with salt length of 5

I'm newbie in Ubuntu and currently using it for assignment. I've checked my encrypted password at /etc/shadow folder and found that my encrypted password using MD5 encryption, but my problem is the ...
5
votes
2answers
3k views

How to change/create password keyring

when I try to remote desktop to the server from another ubuntu machine using the remote desktop viewer, it asks me to enter the password, which I do, then the viewer pane just goes black. When I come ...
4
votes
3answers
4k views

why doesnt ubuntu 13.04 prompt me for a password after suspend?

I am on 13.04 and waking from suspend takes me straight to desktop without a password prompt even though it is set to ask for a password in the brightness and lock settings. Also I recently tried to ...
4
votes
4answers
16k views

How to change password using usermod?

I am superadmin of a server and like to change password of an existing user . How can I do that ? I tried usermod -p 'new-password' john but it didn't worked ?
4
votes
1answer
549 views

Why does the terminal not hold my root password for sudo? [duplicate]

I stopped using Ubuntu for a while (since 12.10) and recently came back to it. From what I remember, it used to only ask for the root password once for a terminal session (for sudo commands). Now it ...
4
votes
2answers
2k views

Standards accounts are able to get root access using sudo without password request

I have installed a particular software using the installer present using the command sudo ./install.sh. After the installation now all the accounts on my ubuntu laptop can gain root access by ...
4
votes
3answers
126k views

What is the default root password when was never set at installation time? [duplicate]

On a standard desktop installation, I created my administrative and user login. Further with some applications, the system ask for the root password. So my question is: What will be the default ...
4
votes
1answer
2k views

How do I crate a virtual ftp user with preseted password using ftpasswd and bash

Hello command line gurus, I've created an ftp user like this: ftpasswd --passwd --name webftp --uid 33 --home /var/www --shell /bin/false What I like to do is to create the same user with a ...
4
votes
3answers
2k views

Unable to save connection remmina RDP

I have been using windows remote desktop from remmina, what i feel so awkward is I don't see the save password button enabled, I need to frequently use my remote connection, and don't like entering ...
4
votes
3answers
5k views

Enable/Disable Passwordless Login/Autologin Via GUI/Command Line

Before I ask the question, would someone please help stipulate the Ubuntu definition for these two seemingly identical but different terms (I've given drafts.): Autologin - When you power up the ...
4
votes
2answers
2k views

How do I approve specific computers to ssh into a machine with password authentication disabled?

The instructions in help.ubuntu.com/community/SSH/OpenSSH/Configuring recommend disabling password authentication so that "it will only be possible to connect from computers you have specifically ...
4
votes
1answer
5k views

How to make Ubuntu remember forever the password after the first time

Is it possible to make Ubuntu remember the password for any program after the first time it asks. I get asked for the password for Synaptic, for making a usb bootable, for connecting to the wifi ...
4
votes
4answers
10k views

Disable locking the screen after resuming from suspend

One thing I like for MacBooks is that they are usable within a second after opening their lid when they were on stand by. Ubuntu always requires me to enter my password when I resume from suspend, ...
4
votes
1answer
100 views

How to get sudo to prompt you for a password each time

I find that if I execute something using sudo that then if I execute something else soon after also using sudo, that it does not prompt me for my password, and although this can be inconvenient in ...