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

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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?
2
votes
2answers
340 views

How do I turn off passwords to log in and resume?

When I turn on and waking asks for a password, then again, always twice. I want to turn OFF the passwords and not have to enter one at all when waking or turning on, please advise.
4
votes
0answers
197 views

The information could not be retrieved. Maybe your internet connection is down? [closed]

I got this error from Ubuntu One Control Panel It could be related to: - I tried (at least) tow times upload 3GB file using web interface without success - I create copy of one file from-to sahred ...
2
votes
1answer
161 views

Making specific folder accessible to user for 24 hour only

Is there possible to make some folder accessible to one user for 24 hours only with some password which is prescribed by me as the owner of material in folders. I am a teaching assistant and I would ...
4
votes
1answer
1k views

I broke logins to my server by fiddling with /etc/passwd and /etc/shadow

I am running an Ubuntu Server (with ebox/zentyal installed). I believe it uses a combination of LDAP users and local users but I currently cannot login (through SSH) with any of them. I was trying to ...
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 ...
9
votes
3answers
2k 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 ...
4
votes
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 ...
0
votes
1answer
5k views

How do I enable account lockout using pam_tally?

I am trying to implement account lockout in ubuntu using pam_tally. I have tried adding the follwing lines in /etc/pam.d/common-auth auth required pam_tally.so deny=3 account required ...
1
vote
0answers
210 views

I can't login to one account from my Android phone PASSWORD [closed]

When I get the Ubuntu Single Sign On screen on my android phone, I type email address and password but get "X Password didn't match". I am 99% sure my details are correct and case sensitive. I am a ...
9
votes
1answer
302 views

How can I protect my data when lending my computer to someone?

I'm going to lend an old PC with dual boot (Ubuntu and Win XP) to a friend for few days. Ubuntu contains a lot of data that I want to keep confidential. I have protected my session with a strong ...
11
votes
1answer
2k views

How to disable all password prompts?

Anything I want to download or to perform the easiest tasks, I am prompted for my password. All though this is an excellent security feature, it is a real inconvenience. I tried sudo visudo and ...
2
votes
1answer
337 views

why is access denied when I run hwinfo

I recently had someone install ubuntu on my laptop and something just doesn't feel right about it. I am a newbie and don't really know what I'm looking for or how to look for it. after trying to make ...
2
votes
1answer
2k views

How to retreive password stored in Firefox?

I would like to retrieve an important password which I forgot, but which Firefox has remembered and uses to log in. Where is this password stored and is it (or can it be made) readable?
2
votes
2answers
9k views

How to add user without useradd command?

Is it possible to add a user in ubuntu linux without useradd command I think its possible by adding the entries in /etc/passwd and /etc/shadow but i don't know the exact steps to do it and the user ...
3
votes
2answers
1k views

How to change the User password

Alright i go into the terminal and type in sudo passwd random-pass -enter- [sudo] password for user:[] I type whatever password i want in and the insertion point/caret just stays in the same spot. ...
9
votes
2answers
3k views

What is the least insecure way to store a password that is used by a script?

I have a Bash script that automatically authenticates with a service using my username and password. The credentials are currently stored as plain text within the script. What precautions should I ...
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 ...
0
votes
2answers
427 views

Login keyring prompt appears twice on login

Whenever I log into my Ubuntu desktop machine, a password dialogue appears for the login keyring. Once I've entered the password, it comes up again (and this isn't because I got it wrong the first ...
2
votes
1answer
62 views

Need to unlock the machine several time in the course of a session

It is irksome to have to unlock the system every few minutes for a single home user. After a few minutes idle time the screen switches off and needs password to reopen. Can't there be a screen saver ...
1
vote
1answer
1k views

Fixing /etc/shadow with md5 passwords to sha512 passwords

I recently upgraded an ubuntu server with many users to a recent version from a version from 2008. The server used to use md5 password hashes (e.g., the shadow passwords began with $1$) and now is ...
4
votes
3answers
12k 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. ...
2
votes
3answers
451 views

How to remove sign-in (password) fields when i boot up? [duplicate]

Possible Duplicate: How can I stop being prompted to unlock the ‘default’ keyring on boot? I have to sign in five times after opening Ubuntu. Three times for the login keyring which says it ...
2
votes
1answer
235 views

How to disable session/admin password for printing?

Each time i print, the session password is required. How to disable it ?
8
votes
2answers
3k views

How to make Firefox use the Gnome Keyring vault for password storage and retrieval?

With Chrome it is quite simple to use Gnome Keyring for password storage. But with Firefox 4 on ubuntu 11.04, I don't know how to achieve this. I remember that firefox 4 supposedly has OS integration ...
0
votes
1answer
554 views

Is there a way to never have to put in your password after you have logged in? [duplicate]

Possible Duplicate: How to make Ubuntu remember forever the password after the first time I put my password in when I log in but after that I don't want to type it again. When I use my ...
10
votes
6answers
4k views

Why can't non-admin users install software?

This is probably something I don't understand since I am used to Windows and am only starting out with Ubuntu. I know that software in linux comes in packages what I don't understand is why can't ...
6
votes
2answers
5k 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, ...
19
votes
2answers
2k views

Why should I trust the “System program problem detected” dialog?

This always shows up a few minutes after I log in: I have no idea what it is. If I click Report problem, it asks for my password: This is exactly what I would do if I wanted to steal someone's ...
0
votes
1answer
281 views

Unable to login after power outage

I have accidentally cut power to the computer and now I can't login with my main user. In GDM I enter the password correctly but it always says "wrong password". Logging in with another user works. I ...
0
votes
0answers
279 views

How can I disable all requests for passwords? [duplicate]

Possible Duplicate: How do I make Ubuntu not ask me for my password? i want to disable all password requests on natty narwal. my laptop is only on when im using it, and it never leaves my ...
8
votes
4answers
8k 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 ...
3
votes
5answers
2k views

Don't lock the computer when I press sleep

I have an automatic login and no screensaver password. I would easily have no password at all, but I am keeping it for the things that require root in hope of using alternative methods to get my ...
15
votes
4answers
11k views

Ignore “Bad: new and old password are too similar”

I receive this message when trying to change my password: "Bad: new and old password are too similar" The passwords' "similarity" is irrelevant for my needs, so I'd like to bypass this. I tried ...
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 ...
2
votes
1answer
1k views

how to make ubuntu to remember the login keying password

I want my system to remember the keyring password of my chat account login as well as broadcast account. Many times i clicked on remember this keyring password but it not working fine; i mean whenever ...
3
votes
2answers
446 views

Is there a way to move passwords from “Default” to “Login” in seahorse?

When I reinstalled Ubuntu, I logged in on my wifi and authenticated with a password that seahorse saved in "Default". But I want that in "Login" so that I won't have to enter my password twice ...
1
vote
1answer
422 views

Evolution does not ask for password with Yahoo [duplicate]

Possible Duplicate: Connecting Yahoo mail with Evolution Yahoo will not send or receive mail. Evolution never asks for a password. I will quit using yahoo after this but I would like to ...
1
vote
2answers
2k views

How to protect hard disk?

I have 320 GB hard disk on my laptop and I have installed Ubuntu 11.04 on 1 partition and another partition is reserved for storage. I want to protect that storage partition with a password. How can I ...
3
votes
2answers
780 views

Ubuntu asks for password several time when logging in

When ever I log into my machine (Lenovo Laptop) Ubuntu (Natty running Unity) ask for the keyring password several times (4-5) why does it do that and how can I make it stop?
6
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 ...
1
vote
1answer
22k views

How to set a VNC password?

Can anyone say me how to set a VNC password in Ubuntu? Such that if anyone access my machine through VNC it should prompt for a password.
3
votes
1answer
2k views

Ubuntu Server Automatically Insert Password Using Python3

I'm trying to create a small python3 program for my friend which will install and configure the nessarcary set-up for his Ubuntu Server. I want him to be able to start the program, give some basic ...
13
votes
1answer
5k views

Will changing password re-encrypt my home directory?

I need to change my user password. Do I need to take any extra steps for my encrypted home directory to become inaccessible with my old password and only accessible with my new password?
0
votes
1answer
1k views

Password change does not work using GUI

I have been trying to change my password now for a while, and every single time I get an error. Here's what I have tried so far: passwd in terminal - I get a message saying the password has been ...
32
votes
9answers
18k views

Password Management Applications?

I have some passwords that are long, complicated and hard to remember. I would like to use a password-manager application to save all of my passwords instead of saving them using a text editor. ...
25
votes
1answer
11k views

Force the user to change their password at first login

When I add a new user to my system I set a password and tell it to the new user. If the user doesn't like it, he/she can change it. However in my opinion it is better to force the user to change ...
8
votes
3answers
15k 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
2answers
5k 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 ...
4
votes
1answer
1k views

How do I change passwords that have been saved in the keyring?

I created a saved password via System ▸ Preferences ▸ Passwords and Encryption Keys ▸ File ▸ New ▸ Stored Password. How can I update it?