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

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4
votes
2answers
283 views

Will my data be safe if my laptop is stolen when there is FDE and auto-login?

My SSD supports Full Disk Encryption (FDE). I have enabled FDE and set a password in BIOS. In case my laptop is stolen or lost, I want nobody to be able to get my data. Is it now secure to allow auto-...
0
votes
1answer
48 views

Ubuntu 11.10 not accepting password to change printers?

Ubuntu 11.10 not accepting root password to change printers. Keeps saying password may be invalid. Password works to unlock root user.
0
votes
0answers
57 views

Very basic command line question [duplicate]

I'm very new to Ubuntu (and Linux). I forgot my main password and looked up how to delete it and now I'm at a root menu screen that says "-d, --delete". My question is what do I actually need to type ...
3
votes
1answer
3k views

Cryptsetup failed

Totally new to Ubuntu here, and I decided to give it a go and do a fresh install on my free-DOS Lenovo e330. Everything went smoothly all the way through the installation, and I decided to add an ...
2
votes
0answers
240 views

Prevent that TrueCrypt gets Administrator rights

If I try to open a TrueCrypt drive, TrueCrypt asks me for my administrator-password (also when I am a normal user). I know, that i can prevent this password-asking by editing the sudoers file = giving ...
1
vote
1answer
366 views

How to export saved FTP password from GNOME Commander?

I am migrating to another computer. And I need saved FTP passwords from Gnome Commander which I was using for the connection. Where should I search for these password?
4
votes
4answers
13k 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, ...
0
votes
2answers
806 views

How to make ubuntu not ask for password after login

I'm not trying to delete my password or anything. I just want ubuntu to remember my password after I login as an admin user and use that when installing/removing software or running sudo commands. The ...
1
vote
1answer
3k views

password reconnecting to wireless network Ubuntu 12.04? [duplicate]

I am using Ubuntu 12.04 with gnome-classic, and every time the wireless goes down, be it because I lose signal or some other reason, my laptop automatically tries to reconnect but I am asked to ...
0
votes
0answers
44 views

set no password but still asks for one [duplicate]

I recently got rid of my password for my account on my ubuntu ce 12.04 and when I try to go in to the software center or terminal or just back in my account, it asks for a password. I don't know what ...
6
votes
2answers
72k views

What is the root password for a live usb stick? [duplicate]

ubuntu@ubuntu:~$ su Password: su: Authentication failure I installed Ubuntu to a USB stick. I didn't set any password any time - why can't I use su?
1
vote
2answers
2k views

BlueScreen after installing Ubuntu 12.04 with wubi

First : I not good in english and totaly new with linux. I googling and it's say that ubuntu good for fresh user. My problem here, I installed Ubuntu 12.04 with wubi. When my pc boot it give two ...
1
vote
0answers
23 views

Locked out of administrator account and do not remember root password (password was manually set for root) [duplicate]

I was writing a script to help force myself to go to bed. It had two parts, first, it would lock my account at 11PM using crontab. Then, I added a unlock if statement that was supposed to unlock the ...
0
votes
2answers
229 views

how do I change permissions?

On my new install of Ubuntu 12.10, I keep having to enter passwords for EVERYTHING! I am the only user on this computer, and I am tired of having to enter all these passwords, can anyone help?
0
votes
1answer
136 views

I signed into the keyring thing, and now Chrome crashes as soon as it opens.

I decided to start using Ubuntu One again, and it asked for my password to that obnoxious keyring thing. When that pops up when I start Chrome, I always click Cancel, but Ubuntu One wouldn't take that ...
0
votes
1answer
191 views

Turned on the automatic login & now the password doesn't works. Also having problem with keyboard input

I am new to Ubuntu. I own a Samsung series 5 notebook. I installed Ubuntu today only & I was checking the options in User Accounts. I switched on the Automatic Login option and the password was ...
0
votes
1answer
1k views

Lock Hard drive partition using ubuntu password

i want to use my ubuntu password , to lock a hard partition with it can i ?! use my password so no one else can acess type of partition
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 ...
1
vote
1answer
109 views

How to set up a new user with admin rights on a USB Ubuntu 12.04 installation?

I have successfully installed 12.04 LTS on a USB stick with persistence and it is working well. I have even managed to add Flash player and get wifi working. I would like to password protect the ...
-1
votes
1answer
995 views

How can I prevent the hacking of my wired and wireless networks by tools like feedingbottle? [closed]

I am network administrator and I am always worried about network security as I know people use different techniques of hacking to penetrate wireless and wired networks. Recently I came to about ...
3
votes
2answers
8k views

How do I stop Thunderbird from forgetting my passwords?

I'm using Thunderbird for quite a while now and have successfully ported all my emails - some of them several years old - from my Windows7 setup to Ubuntu. My Thunderbird contains five different email ...
0
votes
1answer
78 views

Error Reporting [duplicate]

I am relatively new to Ubuntu (have installed 12.1 on my desktop). There are certain software updates done by Ubuntu automatically without asking for password recently. Every now and then it now ...
2
votes
2answers
953 views

How can gain root access whilst logged into a normal account?

I've set up an ubuntu computer for my sisters. There is the admin account which only I can access and there are two normal accounts. Occasionally I'm going to be called upon to install an extra ...
0
votes
1answer
156 views

Dead keyboard when entering password [duplicate]

I lost all icon from my desktop. When I use the terminal I am able to enter the commands but the keyboard goes dead when ask for my password. The only key that works is the enter key and after 3 ...
11
votes
2answers
4k 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 ...
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 ...
0
votes
0answers
27 views

I have a problem with root password [duplicate]

I set my user account to auto login by mistake, so the key ring keeps popping up, but that's not the real problem, My root password seems not to be my user password I can't install apps from the ...
1
vote
0answers
14 views

Cannot login after changing password in Kubuntu via System Settings [duplicate]

I just changed my password in Kubuntu 12.04, via the Systems Settings dialog. After this I was able to "sudo su" and work on some other unrelated tasks. After restarting the computer, I can no longer ...
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 ...
1
vote
1answer
121 views

How to make Ubuntu Server 12 read keyboard input by the password line on login?

I have recently installed Ubuntu Server on my machine - successfully. However, the system does not read my keyboard input on the password on login. Is there something I did not do right? How do I go ...
3
votes
1answer
415 views

Lock screen turn off and on : Goes to a loop asking to enter password to unlock- then turns off again.

I recently updated my laptop from 12.04 to 12.10. And now, whenever I lock screen with "CTRL+ALT+L", the screen locks, and monitor turns off. But within 30 seconds, it turns on and asks for password. ...
5
votes
3answers
614 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 ...
0
votes
1answer
233 views

12.10 Login Screen Skipped, Just begins session

so ive got windows 8 and Ubuntu 12.10 dual booted with Windows 8 bootloader and grub timeout set to 0. When it boots i dont even see the orange logo with the orange dots (loading screen) just a blank ...
1
vote
1answer
100 views

New as new can be to this. Needed password reset. Now cant login at all

Well. I forgot the password to my laptop. So I asked a friend from work if there was anything that could be done about it. So, of course. I let him "fix" it for me. Now when I try to login. It accepts ...
1
vote
1answer
583 views

Can I change user in the Unity interface without having to type password when changing back?

First of all, let me emphasize that I am talking about my home computer that I use for personal use. I have two accounts in Ubuntu: one for me, one for my wife. We don't use separate accounts to ...
0
votes
1answer
135 views

Is it possible to create disposable password for a user account

Some time I want to give access to my computer for my Guests. How can I create a disposable password to my user account so that they have no access to my account in the future, without my permission. ...
2
votes
1answer
1k views

How do i stop Ubuntu from asking for a password to decrypt my drive on start up?

Ubuntu keeps asking for me to decrypt my drive on start up. This is expected, because I had set up full-disk encryption. How do I stop this now?
1
vote
1answer
309 views

Why Ubuntu ask me for for root password while upgrading?

I frequently upgrade the desktop of my daughter (using ubuntu 12.04.1) through the official processes,but in the latest attempt the computer is asking for a root (or super user) password. In the past ...
0
votes
0answers
54 views

How can I change a forgotten Password? [duplicate]

We've forgotten our password and cannot download and install software. We have followed the instructions in the help file using GRUB but when asked for a new UNIX password we become stuck as when we ...
0
votes
0answers
26 views

Deactivate Authentication? [duplicate]

I have Ubuntu 12.10 and I want to deactivate the authentication because for every action I have to type the OS password and I don't want to continue doing it anymore.
0
votes
1answer
376 views

Installation of Software Password

I want to install eclipse on my ubuntu. I entered the same password as I did for login but it rejects it. The login password is the only one I have entered. What do I do to install eclipse.
1
vote
1answer
925 views

Issue with first time login/getting to boot menu [duplicate]

Recently, I reinstalled Ubuntu as it was just, not happy. I noticed that Ubuntu had updated from 12.04 to 13.something, I can't recall. Once booting, I immediately noticed a change. In 12, it ...
0
votes
1answer
3k views

i cant remember my password [duplicate]

my computer goes on standby every 5mins and will then request for an authentication password; i cant remember setting any password. so i will have to restart the computer again before i can use it. ...
0
votes
0answers
47 views

Can I store a password in a bash script? [duplicate]

Is there some way to store (for example hashed etc.) secured password in a script that will be used during connection to server? Storing password and username as clear text in code for me is quite ...
1
vote
2answers
112 views

How do I find out what credentials I need to run a command?

Whenever I go to use my computer I always get the message "Your computer is running in low graphics mode". People have directed me to the terminal to enter a command but I don't know what my ...
2
votes
1answer
419 views

Gigolo/gnome password safety

I was proposed to save a password in gnome-shell @ 12.04 using Gigolo: Where exactly are these passwords saved and how are they encrypted?
1
vote
1answer
219 views

Migrating users from Fedora, anything to look out for?

I've migrated around 300 users from a Fedora server to Ubuntu. I copied over all the relevant entries in /etc/passwd, /etc/shadow, /etc/group, and /etc/gshadow. One thing that was a bit concerning is ...
1
vote
0answers
60 views

Wireless passwords are seen by all users

Wireless passwords are seen by all users who use a Ubuntu machine. How do I prevent this?
1
vote
2answers
274 views

What to do if I can no longer become the user root? [duplicate]

Possible Duplicate: How do I reset a lost administrative password? How can I give admin permissions to my account? I have no root password and I accidentally removed the sudo privileges of ...
0
votes
1answer
2k views

Password on Keyring ubuntu 12.04

I have changed my settings to not use a password for my account. I can log in okay, but I can't perform any updates. Every time I try, it asks me for a password which I no longer have. There are two ...