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

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Why does ubuntu 13.10 keep asking for my gmail password?

After upgrading to 13.10, I am now getting a prompt for my gmail password every time I log in. There is no indication as to which service or application needs this information. If I enter the correct ...
5
votes
3answers
649 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
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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) ...
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2answers
3k views

How can I clear my cached gpg password?

I've tried: the SIGHUP method --> no succes the cache timeout in gpg-agent.conf --> it seems that this file is not read, althougt I have the 'use-agent' line in gpg.conf What should I do ?
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4answers
8k 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 ...
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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
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1answer
3k views

How to add the GRUB password protection to the OS load process instead of when editing boot options

This is the current content of my grub.conf file. # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot ...
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1answer
3k views

Wifi only accepts passwords of 5 or 13 characters

Installed Ubuntu 13.04 and when attempting to connecting to a home wifi network, the connect button is only click-able with passwords of 5 or 13 characters. Is there a fix?
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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?
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2answers
117 views

What are the reasons to have strong password at home?

For a typical home PC the security situation is following: No servers running, not even the SSH. Firewall is ufw running in simple mode: all outgoing allowed, all incoming denied. Torrents and DC++ ...
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2answers
366 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 ...
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2answers
7k 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
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1answer
100 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
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1answer
158 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
3answers
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
163 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
1k 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
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2answers
813 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
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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
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1answer
247 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?
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1answer
434 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
186 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
331 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
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1answer
197 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 ...
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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 ...
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3answers
4k 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.
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4answers
14k 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 ?
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1answer
424 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 ...
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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
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1answer
1k 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 ...
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3answers
1k 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
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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
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2answers
1k 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
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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 ...
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4answers
9k 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
1k views

Software Center doesn't prompt for password

I'm using Ubuntu 10.10. The software center was asking me for password when I wanted to install/remove any application. Since last week, it doesn't prompt for password. Also, I have the same problem ...
4
votes
1answer
69 views

Wireless password not protected

This might be a security issue. In Ubuntu 14.10, 14.04... under -network connections/edit wi-fi/wi-fi security - my wireless password is shown and it can be seen by anyone who can access my ...
4
votes
3answers
212 views

New admin account asking for a password?

I've made new admin account. I did not set a password for that account and it now asks me for the password. Since I can access the account as it automatically logs on when the laptop is turned on, can ...
4
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4answers
441 views

How can I prevent a user from changing their password? [duplicate]

I want to prevent a user from changing their own password. Additionally, if possible, I want to prevent them from changing it via sudo.
4
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1answer
678 views

How can I batch decrypt a series of PDF files?

I have a bunch of PDF documents I know the password for and would like to decrypt them. How can I achieve this?
4
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3answers
2k views

My PC does not ask password in Login even if I set it to ASK on login

When I first installed Ubuntu 11.04 I marked NOT to ask password in login. Then, ofcourse, it didn't ask me password on login. But now I want the OS to ask login password as I have many critical datas ...
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3answers
10k views

Where are passwords stored?

How do you figure out where are user's passwords stored, for users that can login? I know the system is using LDAP for users (username, home path, etc.), but it doesn't contain any kind of passwords. ...
4
votes
1answer
8k views

what rar password recover tools are available?

Long ago i have made my archive with images by protecting it with a password but I have forgot the password and I made many trails to crack it with my general combinations but failed. could somebody ...
4
votes
4answers
121 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 ...
4
votes
1answer
91 views

What are the allowed characters for a password?

I'm asking for the type of characters supported by user passwords (the passwd command precisely) Are spaces allowed? NULL characters (\0)? a subset of ASCII or more? If spaces are allowed do I need ...
4
votes
1answer
332 views

Is there a way that I can disable change password

I have 20 computers in a high school lab and I want to set up a standard student log in. This is done, the problem is that students can change the password to anything, is there a way to block this? ...
4
votes
1answer
188 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, ...
4
votes
4answers
2k views

How can I use my GPass data?

There are two parts here: It appears that GPass is dropped in oneiric so can anyone recommend a new password manager? Is there a way to open the file created with GPass, or do I need to recover the ...
4
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1answer
668 views

How can I make ubuntu ask for my password before mounting usb-drives? [duplicate]

I did some research and found my question asked already. It is a duplicate of is it possible to make ubuntu ask for my password before mounting usb-drives? the problem is, they did not answer that ...
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2answers
776 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 ...