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

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-1
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0answers
24 views

Algorithm detection from user IDs and passwords [on hold]

An example. Given a conspicuous list of usernames and passwords, how can I find out the algorithm which generated those passwords?
1
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0answers
27 views

Password doesn't work for desktop but does for terminal

I'm a Linux newbie, I'm doing quite well starting to get my head around it. But I've run into a problem. I don't plan to use the GUI much but here's the problem: My root account password works in ...
0
votes
1answer
23 views

Every installation on desktop asks for passwords that I never set in the first place

Everytime I boot up and try to log in using ubuntu, it asks for a username and password: which I have never set in the first place. So I log in under guest account. But when I try to change ANYTHING ...
0
votes
2answers
38 views

Allow root access without passwd

Have a VirtualBox Ubuntu guest (14.04) used for the sake of testing only. The root user has its own password, so I can login as root in a separate terminal (su -), or directly from a login session (eg ...
0
votes
0answers
11 views

after installing firefoe, while in update: can't log in although password is correct

I installed firefox and update using apt-get updat , in between i got poweroff. next time when i am trying to login below is the observaion The password is correct- when I type in a wrong one, I am ...
0
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0answers
7 views

Logging in on TeamViewer only shows password screen UBUNTU 12.10 [closed]

I have been trying to conncet to my Linux Ubuntu computer through my Win 7 computer and i get stuck on the login page on UBUNTU. If i click with my mouse the dots of the password just flicker and if i ...
0
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0answers
23 views

I am not getting the root prompt in recovery mode

I have dual boot Ubuntu 13.04 OS. I forgot my administrative password. I have tried the method in which you told to reset the password. After logging in recovery mode I selected root but it is not ...
0
votes
0answers
23 views

Very Novice - Can not login after upgraded from 12.10 to 14.04.1

So I opened the cmd prompt and have gotten as far as login to the computer's Directory, but it won't let me on to the desktop. Every time I try my password there it says it fails and to try it again. ...
0
votes
1answer
26 views

Cannot re-enable password requirement for login to my account after disabling it. (14.04)

Okay, yesterday I temporarily took the password requirement off my login account (the only account on the machice). I then later tried to re-enable it. The password took (it uses this when I sudo for ...
0
votes
0answers
22 views

14.04 Password recovery options [duplicate]

I have just completed a new basic install of 14.04. Upon first boot I am now prompted for a password - of which i have no idea. Could somebody assist with identifying if there are any password ...
-1
votes
0answers
12 views

Hydra-gtk, error: file for password not found

i have some problems using hydra-gtk on ubuntu 12.04. It says there that file for passwords isn't found and i put password list in it... here are screen shots: http://oi57.tinypic.com/1j56vs.jpg ...
0
votes
0answers
68 views

Stuck in login loop following a password change; solutions don't work or make no sense [14.04]

I forgot my desktop password and did a password change via Recovery Mode. But after that, the login screen puts me into a loop. Though it seems to be a common problem, the solutions I've been given ...
0
votes
1answer
17 views

Stuck in log-in loop, Ubuntu randomly crashes, Windows still boots first

I'd really appreciate it if someone could shed some light on 3 problems of mine: I tried to reset my forgotten account password using the "standard way" in this guide. However, when I enter the new ...
0
votes
0answers
35 views

Xubuntu 14.04 vnc not showing password lock screen

It's actually two problems which I think somehow connects to each other. I am using Xubuntu 14.04 LTS. After the screen is locked and gets to a black screen, the keyboard mouse is dead and I can't ...
0
votes
0answers
21 views

Forget Authentication/System Password [duplicate]

How to change the authentication (i forget the current password) password?
0
votes
0answers
25 views

Is it possible to run software-updater without a password?

I know that I can add commands in /etc/sudoers to obtain passwordless sudo in the command-line, but I don't think this applies to the software-updater (does that use gksudo or some other form of ...
0
votes
1answer
18 views

After inserting a new OS entry, GRUB2 asks for password

Yesterday I installed a new fresh Ubuntu system, and installed Android-x86 in another partition. Then I followed this tutorial to add an entry for Android-x86. My 40_custom file: #! /bin/sh -e cat ...
2
votes
1answer
21 views

How can I create a non password user?

@work (using Red Hat) we have the notion of npa users, these users are normally for services or applications (git, mysql, nginx etc) and these users can't login themselves. Only as a login authorized ...
0
votes
0answers
21 views

Install boto without password

I am new to Ubuntu. I have a virtual box on a Windows 7 computer. I went to this page. https://github.com/boto/boto I need to install boto. The commands are $ git clone ...
0
votes
1answer
36 views

Xubuntu 14.04 Light Locker Password Not Working

I was trying to install epsxe psx emulator for my desktop. For some reason after I ran the download in the terminal all my partitions got unmounted as i viewed them from my file system and since I ...
1
vote
1answer
46 views

Is there a PDF viewer that supports password protected files (username and password)?

I need a pdf viewer that supports password protected files, I don't want to crack the files or anything like that I have the required information. The thing is that Document Viewer asks for a password ...
0
votes
1answer
41 views

I can't make Ubuntu ask for a password anymore!

I enabled auto-login some time ago and now I can't disable it. I've switched it at the user accounts options and it doesn't work! It says "off", but it's actually still on. And I also can't make ...
1
vote
0answers
46 views

su - Authentication failure; account accessible from root, not from user

I know there are tons of articles about authentication failure, but I think my case is specific. I have created groups and user oracle using this link: ...
0
votes
0answers
36 views

OpenVPN Username/Password

An OpenVPN server is installed on Ubuntu 14.04. This server is working for remote users to access local network. Each user has his own certificates generated by the CA (OpenVPN server itself). What is ...
1
vote
0answers
38 views

Authentication required before suspend

Since the last update of Ubuntu 14.04, when I press the sleep button in my laptop, a pop-up window appears with "Authentication is required for suspending the system". Password is not requested when ...
0
votes
1answer
38 views

How to turn off Automatic Login

I have turned on Automatic Login in Ubuntu 14.04. Now I cant install any updates as I cannot authorize. I tried to turn off Automatic Login, using the User Accounts screen in System Settings. But to ...
0
votes
0answers
10 views

Subversion does not store password in gnome-keyring [migrated]

I am using Linux Mint 16 Petra and svn, Version 1.8.10 (r1615264) and I want to store the passwords of my svn repositories encrypted. Although I think I set all the correct options, I get prompted for ...
0
votes
0answers
23 views

Cannot reopen session after launching startx on UBUNTU

had an issue with Xorg so I launched startx from my terminal on ubuntu. It wasn't working well (only my wallpaper was on the screen after I launch the command). Then I force to shut down. My actual ...
0
votes
2answers
89 views

How to find the root password?

I'm using Ubuntu 12.04 installed with Wubi. My problem is I cannot connect to my wifi and I cannot see my files at data. It asks for the root password to login but I don't know it.
0
votes
0answers
23 views

Cannot execute sudo command without correct password (Even though my account has no password). Why? [duplicate]

My account on my computer does not require a password, and I have admin privelages. As I understand it, so I'm trying to run sudo [...] and getting the following result when leaving the password field ...
1
vote
2answers
35 views

Password Manager for Ubuntu with ports available for android

I need a password manager for Ubuntu (a program in which I can save all my password like site access, credit card codes, software licenses, etc.) that has also a version for android in order to have ...
0
votes
1answer
39 views

give temporary password to root ubuntu

is there a way to give root a temporary password? that is after a certain time or 'manually deactivate' the password will be deleted I want to give my colleague a permission to access server with ...
1
vote
0answers
16 views

Entering an encrytion phrase through a serial port connection

I am building an Ubuntu 14.04 stand alone server, text install. I have rerouted the console through serial port /dev/ttyS0. During boot I am getting the full boot up display through the serial port. ...
0
votes
0answers
14 views

Is there a way to have a user account to have different user password and ssh password?

I am connecting to an Ubuntu 14.04 server through SSH using a sudo user with a randomly generated password (very lengthy). Of course running a command with sudo requires me to enter that lenghly ...
0
votes
1answer
43 views

Stuck in a user log-in loop on startup (fresh install)

So I wanted to set up my Lenovo Flex 2-15D to dual-boot Ubuntu alongside the pre-installed Windows 8.1. I installed the Universal USB Installer from pendrivelinux.com, created a USB stick loaded with ...
0
votes
0answers
51 views

Upgraded Ubuntu 12.10 to 14.04.1 LTS and loging password won't work

I just upgraded my ubuntu version from 12.10 to 14.04.1 LTS via the use of a bootable DVD. In the install menu I selected the upgrade option so that my personal files from the old version would be ...
1
vote
1answer
52 views

smb mount via fstab mount error 5

Something weird happened in the last weeks don't know why, before it worked perfectly so here's my problem: I am mounting my NAS via fstab and a script which looks like this, taken from fstab: ...
0
votes
1answer
53 views

Xubuntu: Turn off password after suspend

On a new install of 14.10 beta, I'm getting prompted for my password when the laptop is coming back from suspend (ie closing the laptop lid). Weirdly, everyone else seems to have the opposite problem. ...
0
votes
0answers
17 views

alternative of dmg for ubuntu (to password protect folders)

I used dmg files on Mac osx to password protect files. I can create a password protected zip file. But decompression is very long for big files. On other hand dmg are so fast in mounting. So is ...
0
votes
2answers
60 views

I can't open secured PDF in Ubuntu (open password), but can in Windows XP

I can open a certain PDF in Windows XP like any other, but I can't open the same PDF in Ubuntu because I get asked for "open password". In XP Foxit reader shows that the file is secured for all ...
0
votes
0answers
14 views

Trying to change passwd in 12.04 [duplicate]

From GRUB v1.99 Recovery mode I enter ROOT and then "passwd username" I enter username and get "Enter new password" at this point my keyboard stops working. That is keys do not respond. If I enter ...
0
votes
0answers
19 views

Change your password on the command line 14.04 [duplicate]

How can I change my password on the command line with Ubuntu 14.04
1
vote
1answer
46 views

Asking for a sudo password in advance

I have some scripts for backing up data. Some of them need root access, so I use them with sudo. However, sometimes I get confused, e.g. for the mySQL backup, which also needs a mySQL root password. ...
2
votes
1answer
74 views

How to enable autologin but still require password

I am running Ubuntu GNOME 14.04, using gdm display manager and gnome-shell environment and I need to achieve the following behaviour: after boot, a selected user is automatically logged in, but a ...
0
votes
0answers
58 views

How do I unlock my SSH keys on login in Ubuntu Server?

I'm making a new server that will pull backups from multiple sources on a schedule, so I'd like it to connect via SSH using a key. Setting this up in Ubuntu 14.04 Desktop is trivial, you write the ...
0
votes
0answers
102 views

Samba will not accept my password

I have recently done a fresh install of Ubuntu 14.04lts. samba is installed and I can see the computers in my workgroup. I was able to transfer files from a Windows XP computer on my workgroup ...
1
vote
0answers
68 views

Administrative Password doesn't work after it changed by GUI

I am new to Linux. I have changed my administrative password by GUI (under user accounts setting). But Now its not accepting my password. It says wrong password try again. I am using Ubuntu 14.04 LTS ...
5
votes
2answers
86 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++ ...
1
vote
1answer
61 views

After Ubuntu 14.04 upgrade, two different lock screens

I've done a lot of searching around for a solution but only found results that were only similar to my problem and not quite exactly the same. My problem is that ever since I upgraded to Ubuntu 14.04 ...
1
vote
1answer
22 views

chpasswd -e not seting password correctly

I'm trying to set my password with echo "user:SOME_PASSWORD_STRING" | sudo chpasswd -e but when I do this, my password is not set to the correct password. The passwords I'm using are one's I've ...