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

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2
votes
0answers
913 views

I can log in with my password, but it's not accepted as valid for authentication

I can log in with my password just fine, but when trying to use sudo to run commands or authenticating to install software, my password does not work and my account is an administrator account. ...
3
votes
1answer
3k views

How to login into Ubuntu after an upgrade to 12.04?

Yesterday I upgraded from Ubuntu 11.10 to 12.04. The upgrade went smoothly. I did a restart and then strange things started to happen. After each upgrade I set my Ubuntu to automatic login(been ...
1
vote
2answers
534 views

Lock folders by password, is there easy way? any program? [duplicate]

Possible Duplicate: Is there a way to password protect individual folders? Something without creating new filesystem/emcrypted-partition, do you know a good program? Thanks!
2
votes
1answer
585 views

Reading network-manager password from another hdd

Today I cloned my Ubuntu 11.10 into my old hdd, and installed 12.04 into my current hdd. What I need now is to recover passwords for my VPN connections on the network manager that is in the old 11.10 ...
1
vote
1answer
165 views

Dynamic Proxy with password

I need to setup a proxy on my localbox to redirect some requests to another network. I am doing it in the following way ssh -f -N -D 0.0.0.0:22022 some-external-host In this case every time i try ...
1
vote
1answer
94 views

Which hidden folder in my home folder contain the data for the Passwords and Keys application?

I made a fresh install of Precise Pangolin beta from Oneiric. I saved my home folder on an external drive. Now I want to copy passwords and keys to the new installation.
9
votes
5answers
5k views

Why does Ubuntu force users to create a password upon installation?

There's been one problem I've had since I installed Ubuntu to run alongside Windows, I assume this would also be the same if it was installed to replace the other operating system as well, the ...
1
vote
0answers
94 views

Terminal window not showing password [duplicate]

Possible Duplicate: Nothing shows up on the screen when I type my password When I open a terminal and it asks for my password I can't type in the PW because the keyboard wont react. It ...
3
votes
1answer
86 views

Requiring unexisting password

When I created my user account I didn't choose a password but now when I try to install an app it says to authenticate with password, though I know not of a password that I can use. What should I do?
1
vote
0answers
45 views

How can I avoid Ubuntu from asking for a password after the laptop's lid is opened after closed [duplicate]

Possible Duplicate: How can I tell Ubuntu to do nothing when I close my laptop lid? Dear lovely ubuntu users, when i close the lid of my laptop down, and then open it, it asks for a ...
4
votes
0answers
528 views

ecryptfs-setup-private login passphrase incorrect

I'm trying to access my former home folder. When I run ecryptfs-setup-private, I am asked for my login passphrase which returns ERROR: Your login passphrase is incorrect. I have tried both, my ...
2
votes
1answer
198 views

Where is the “About me” dialog?

Looking for how to change my password the GUI way I cannot find the "About me" dialog in Ubuntu Precise (12.04) anymore. There is the "user accounts" dialog but you cannot change your own password ...
6
votes
3answers
770 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 ...
0
votes
1answer
927 views

Disable constant user authentication

I've been using windows for 10 years, and now discovered Ubuntu, which is way cooler, but the downside is that I'm at a complete lost.. So far , so good but what I find annoying is that I have to type ...
0
votes
1answer
550 views

How do I reset my user password? [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? I lost my Ubuntu user account password... I saw some other questions on this topic that had answers telling me to ...
0
votes
2answers
4k views

disabling password [duplicate]

Possible Duplicate: How do I enable auto-login in LightDM? I always annoyed when my new computer is turned on and log in, the problem is when i want to browse are always asked to enter a ...
28
votes
3answers
300k views

How to change root password for mysql and phpmyadmin

I've set up mysql and phpmyadmin and chose not to set a password when installing hoping that once set up i could login with root and no password but i get the following error from phpmyadmin: Login ...
2
votes
1answer
643 views

LXDE Interactive password change

I wanted to know if its possible that LXDE ask for a new password at login time when the password has expired. I can see that it works at console login it ask me for a password change, however, on ...
2
votes
1answer
567 views

How can I request password when Usb hardware is plugged in?

at the moment I use Xubuntu 11.10, my question is: How can I request password when Usb hardware is plugged in? Example: I plug usb mass storage: now xubuntu open a window and show me files and ...
8
votes
5answers
15k 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 ...
16
votes
3answers
45k views

How to change/disable password complexity test when changing password?

I know that it is a "bad" idea, I know that it is not secure, I know. I searched the net for an answer and all I saw was whining that it's not good. But I like using Linux because it lets me make the ...
5
votes
1answer
12k 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 ...
-1
votes
2answers
118 views

can't download files [duplicate]

Possible Duplicate: How do I reset a lost Administrative (root) password? I'm trying to put skype and yahoo messenger onto my Acer Eee note book and the system keeps asking me to give ...
0
votes
3answers
2k views

Backup keeps asking for Encryption Password while restoring

I'm attempting to restore from a previous backup but the restore keeps asking me for an Encrypted Password. I enter what I want it to be but it shows up some thirty seconds later to ask again. Why is ...
17
votes
7answers
11k views

Nothing shows up in the terminal when I type my password

When I'm about to install a program in the terminal it wants the password: [sudo] password for xxx: But when I want to type my password it happens nothing. What should I do?
1
vote
1answer
48k views

Can't Login to my Server via SSH, and the password is correct

I'm using Linode, and I've asked around on the IRC channels, but no one seems to know. I've logged into my server via LISH (reference), and I used the correct password, and everything went fine. ...
1
vote
3answers
2k views

server needs username and password to logon which is not known

i got a used server and don't know the username and password to login. Anyone know how i can reset the username and password without needing to wipe everything and starting from scrach?
12
votes
4answers
31k views

How to change the password of an encrypted LVM system (done with the alternate Installation)?

I installed Ubuntu 11.10 with the alternate CD and encrypted the whole system (except boot) with the encrypted LVM. Everything works great as before, but I would like to change the password of the ...
1
vote
1answer
299 views

Removing Evolution password under KDE?

I'm using Evolution mail client under KDE. I want to get rid of entering my password each time I use it. How can I do that ?
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 ...
12
votes
5answers
57k 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 ...
3
votes
2answers
264 views

Automate Password Set And Verify

I'm using this to set passwords in a script: usermod -p `mkpasswd -H md5 passwordText` user I need to create an exception in my script, just in case this command fails. What file contains the ...
4
votes
3answers
6k 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 ...
-1
votes
1answer
3k views

How do I recover my main Login Password?

I have forgot my main password for main log in and for everything that I need to authenticate things for. How can I recover or reset my password?
1
vote
1answer
93 views

Autochange User Passwords On Boot

I'm trying to increase the security of a remaster distro meant to be ran live and used online. To avoid tempting the user into: not changing their password not creating a new password, or using an ...
0
votes
1answer
950 views

Deepin Software Centre unable to aunthenticate password

I am using Kubuntu 11.10. I tried installing Deepin Software Centre in it. Installation was successful but when I launched the application it asked for password. Every time I entered the password, it ...
0
votes
1answer
846 views

Password protecting a private NTFS folder

Here's the story. I recently moved to Ubuntu from Windows using the Wubi installer. The issue is that I have a private folder on my Windows NTFS partition. It is configured so that no listing ...
2
votes
3answers
2k views

PDFtk Password Protection Help

I am using Ubuntu 11.10 and am looking for a solution to password protect a bunch of pdf files in a directory in batch. I came across PDFtk and it looks like it might do what I need, but I've reviewed ...
11
votes
1answer
2k views

Where is the per-user salt kept?

Where does Ubuntu keep the password salt for each user?
0
votes
0answers
73 views

how to back to be the administrator in ubuntu 11.10? [duplicate]

Possible Duplicate: How to know my root password? how to back to be the administrator in ubuntu 11.10 i was exploring in the users account. and i have changed my account rom administrator ...
0
votes
0answers
121 views

how to back to be the administrator in ubuntu 11.10 [duplicate]

Possible Duplicate: How do I add myself back as a sudo user? I was exploring in user accounts. I only have my account but i changed from administrator to standart. and I didn't can put to ...
0
votes
2answers
2k views

Why Ubuntu doesn't ask me for password before login?

When I had 11.04, there was an option "ask for password", something like this. I checked it out, and instead of password field I got "login" button. Now, when I got 11.10, I doesn't see that option. ...
23
votes
2answers
7k views

How do I force a user to change the password periodically?

I'm by far no network admin, but I know on the PC I use at work, we need to change our passwords every 30 or 45 days. Is there something like that on Ubuntu that can prompt users to change their ...
56
votes
5answers
79k views

How to encrypt individual folders?

Let's say that I have a folder, within my Documents folder, that has files I want no one to access without a password. Is there a way to lock down that folder so that it's password protected / ...
0
votes
2answers
641 views

Missing password [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? I just installed again ubuntu 11.10 because ubuntu asked me for a password that I didn't have... And now again... ...
39
votes
2answers
50k views

How can I allow SSH password authentication from only certain IP addresses?

I'd like to allow SSH password authentication from only a certain subnet. I see the option to disallow it globally in /etc/ssh/sshd_config: # Change to no to disable tunnelled clear text passwords ...
0
votes
1answer
715 views

I cannot change my ubuntu user account password

Changing the user account password seems to take forever. Do any of you have this problem?
6
votes
2answers
745 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 ...
0
votes
0answers
54 views

Authorization Code [duplicate]

Possible Duplicate: How do I reset a lost Administrative(root) password? When trying to download updates, e.g., flash, there comes up a prompt for authorization code. I tried my password ...
3
votes
1answer
2k views

Does libpg-java support passwordless login? [closed]

The following command runs fine, that is, doesn't ask for a password, prints no warnings or errors, and simply provides a DB prompt: $ psql -U dbuser dbname psql (8.4.10) Type "help" for help. ...