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

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2
votes
2answers
9k views

Change user password while password is empty [duplicate]

I have a realy strange problem in Ubuntu 11.10. I have by accident my password set to empty. If I wan't to install software now the system asks for a password, but I haven't one anymore. If I enter my ...
6
votes
1answer
4k 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 ...
0
votes
1answer
3k views

Protecting samba shares with ubuntu 10.04

I'm using a linux distribution based on Ubuntu 10.04 (Backtrack 5 R1). I successfully managed to create a samba share that is read/write accessible to everyone in my network. I want to protect this ...
0
votes
0answers
173 views

After disabling the password login the system will no longer accept any password meaning I cannot do anything that requires authentication [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? The system tells me my root password is wrong even though I know it is right. Resetting the password with passwd ...
0
votes
0answers
107 views

After disabling password at login, the system will not accept a password to modify the system. Cannot install, uninstall, or modify anything. HELP? [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? I have been using Ubuntu on and off for a number of years. I have always been a fan. I have been having issues on ...
0
votes
1answer
148 views

Parental control of log in? [duplicate]

Possible Duplicate: How do I disable the guest session? I gave my daughter's user account on Ubuntu 11.10 a password that only I know so that I could control her use of the computer if ...
1
vote
0answers
257 views

Saved passwords not being saved [closed]

So I installed Kubuntu 11.10 on my thinkpad x201 laptop. I found that while it runs great, I'm just not in love with the KDE interface, so I'll settle for the notorious unity. I insalled the entire ...
7
votes
1answer
3k views
2
votes
1answer
1k views

Why Firefox asking for the master password frequently?

I am using a master password to protect my saved password in Firefox. However, Firefox is asking for the master password in approximately one hour periods. Is this normal? I thought it was ...
40
votes
5answers
5k views

How can I prevent someone from resetting my password with a Live CD?

Recently one of my friends came over to my place, within 15 minutes he hacked my account using a Live CD and reset the password in front of me. I was baffled to see such a thing. Please guide me to ...
9
votes
2answers
5k views

How to discard saved password for samba share in unity?

I access samba shares from unity on Ubuntu 11.10 and saved username/pass for it. Now, I want to use a different username. Each time I go to the share and open it, it just opens without asking for ...
1
vote
3answers
145 views

How do I limit administrative tasks for normal users?

I want to limit administrative tasks, so users cannot mess up the system. My idea was to install Ubuntu, set up automatic login, and hand it to the users without them knowing the password. However, I ...
1
vote
2answers
223 views

How do I keep stored passwords from Ubuntu 10.04?

I want to re-install the PC my mother uses and since she's not very handy with computers, she has a bunch of passwords stored in Firefox which she probably forgot and won't be able to enter again. ...
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
1answer
98 views

Security exploits affecting login?

On ubuntu 10.04, I choose System > Disconnect > Swich User, then at the login screen I can click Ctrl+Alt+F4 to get a command line over a black screen, & then click Alt+F7 to redirect back to my ...
0
votes
1answer
972 views

Cannot login after removing password from user account

So I removed the password of my user account and restarted. When I tried to login, a black screen showed up and took me immediately back to the login screen. Running Ubuntu 11.04 via LiveCD, I found ...
2
votes
2answers
1k views

Need to disable Show Password in wireless

I work for a school and we are setting up some ubuntu laptops for student use. The wireless password needs to be secure so students can't connect their personal devices onto the network. The problem ...
7
votes
3answers
429 views

How do I change my password?

How do I change my password for Ubuntu?
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. ...
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 ...
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 ...
11
votes
4answers
10k views

Remove Keyring Popup on Startup [duplicate]

Possible Duplicate: Keyring On Startup popup I forgot my password recently, so I had to use Ubuntu's recovery mode to change it to something else. I used this command: passwd username and I ...
9
votes
1answer
299 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 ...
3
votes
2answers
434 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 ...
2
votes
1answer
331 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
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 ...
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?
11
votes
8answers
3k views

Unlock keyring prompts three times instead of one time

When I have "automatic login" activated, the "Unlock the Gnome Keyring" box asks for my password. But this happens three times. There are three boxes asking me for my password. In 10.04 the box ...
3
votes
1answer
3k views

How to prevent Synaptic Package Manager from asking for password?

This is similar to How to prevent system applications (like the Software Center) from asking for password? However that solution does not work for Synaptic Package Manager in 10.04.
4
votes
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 ...
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 ...
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
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. ...
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 ...
0
votes
1answer
548 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 ...
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 ...
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 ...
1
vote
1answer
21k 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.
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 ...
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 ...
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 ...
1
vote
1answer
420 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 ...
3
votes
2answers
775 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?
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 ...
3
votes
0answers
447 views

How to disable Multiple Keyring Popups? [duplicate]

Possible Duplicate: Unlock keyring promts three times instead one time Whenever I turn on my computer, I would expect the keyring to ask for my password once. But it asks it 3 different ...
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?
2
votes
3answers
1k views

What is the best tool to sync browser passwords and bookmarks?

Sadly, everything I've tried so far has been painful to manage between two computers, (even between different browsers on the same computer). So, right now I have different aggregations of ...
5
votes
1answer
439 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 ...
2
votes
5answers
2k views

Why doesn't desktop unlock screen accept my password?

To unlock a my computer after waking it from standby or screen saver I sometimes have to enter my password many times before it's accepted. What's wrong with it? UPDATE: NOT a wireless keyboard - a ...