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

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2
votes
1answer
23 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
15 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
23 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
24 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 ...
4
votes
1answer
39 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
41 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
13 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 ...
4
votes
1answer
45 views

What are the allowed characters for a password?

I'm asking for the type of characters supported by user passwords (the passwd command precisely) Are spaces allowed? NULL characters (\0)? a subset of ASCII or more? If spaces are allowed do I need ...
1
vote
1answer
32 views

Updates Installed without asking password

Software Updater installed updates on my computer without asking any password. Is it normal or suspicious? It always asked for password in times before. I use Ubuntu 14.04 and I haven't tweaked ...
0
votes
0answers
18 views

Ubuntu 14.04 will ask current password twice

I manually set the Ubuntu account password expired then I logout and login again. The expect is that it will ask me to change my password. but why it will ask me to input twice for the current ...
0
votes
0answers
15 views

add authentication prompt to thunar file manager

I would like to know if there's a way to be asked for authentication every time I open thunar file manager. sort of like when you open synaptic package manager. I've tried cryptkeeper and other things ...
0
votes
0answers
13 views

How do I enter my passphrase correctly?

I replaced windows XP with ubuntu 14.04 and everything seemed to install/work fine. I chose to have a password required upon login. The problem is, my keyboard works fine until I reach the login ...
0
votes
0answers
9 views

Passwword is not reconized after sign on [duplicate]

Running 14.04 LTS. I am the only user and have administrative rights. When I go into terminal mode to increase space needed for updates, I am prompted for my password then it is not recognized. Also ...
0
votes
1answer
33 views

Logging in to an encrypted home directory after forgetting my password

I want to try Ubuntu and make it my permanent OS. Hence installed it alongside with Windows 8 on my HP laptop. I have faced lot of problems to make my system dual boot. I thought it was because lack ...
2
votes
1answer
20 views

Multiple hosts password problem using mpirun

So I am running a parallel c++ program by sending jobs from an Ubuntu machine to remote hosts (also Ubuntu), the command line I use on the terminal is something like: mpirun -np 4 --host host1,host2 ...
0
votes
1answer
93 views

How to reset my password in ubuntu 14.04

I recently installed Ubuntu 14.04. I am not able to install any software because it is not accepting my password. However I am able to log in to my account using the same password on my pc.
0
votes
3answers
93 views

Never ask me for passwords [duplicate]

I'm using Kubuntu 14.04 and I'm asked for password when: Using sudo in terminal. Login. Installing/removing/updating programs with Muon. KWallet initiates or adds a password. I don't want to write ...
2
votes
1answer
30 views

User cant access samba from windows 8.1

[Open_Share] path = /home/brady/open_share available = yes guest ok = yes valid users = brady read only = no browseable = yes public = yes writable = yes force user = brady create mask = 0640 ...
0
votes
1answer
25 views

After logging in my password does not work

I'm running a fresh install of ubuntu 14.04 and I've got a strange problem. When I login to the GUI I successfully get to my desktop and can use everything fine, but as soon as I try to sudo anything, ...
2
votes
0answers
21 views

Validate password against regular expression?

Is it possible to somehow set a regular expression that would validate a user's password? So that if the regexp is set to: ^qwerty|йцуке$ than both qwerty and йцуке will be valid passwords. I want ...
0
votes
0answers
9 views

VPN not remembering password

The VPN will not save the password in dialog box, so it needs to be re-entered each time! Often despite having re-entered and re-saved the password it will still not connect until the machine is ...
0
votes
0answers
36 views

14.04: How to ssh/scp as root with NO password prompting? [duplicate]

We upgraded from 12.04 to 14.04. We have a dozens of processes that perform automation tasks for us and we use root with ssh/scp. After the upgrade root couldn't ssh/scp into the servers at all. We ...
0
votes
0answers
25 views

Ubuntu 14.04.01 user login not possible

I upgraded to the new ubuntu version, in the middle hade a power failure...so i followed these instructions Ubuntu 13.04 to 13.10: Filesystem check or mount failed The update is now complete and at ...
-1
votes
1answer
34 views

AUTHENTICATION PASSWORD UNKNOWN [duplicate]

I have ubuntu 12.04 LTS and I do not know my authentication password due to which i cannot install any software. Its urgent. Please tell me a solution and not a suggestion. In case , if I have set the ...
0
votes
0answers
6 views

Cannot enter user account in Ubuntu 14.04 LTS [duplicate]

Recently I had a few problems with my laptop. First, after a reboot cuz the bluetooth doesn't started, after the dots screen appeared, the screen just got black. Using Ctrl+Alt+F2 I could get back the ...
0
votes
0answers
41 views

Sudo is working without password? Is this a bug? [duplicate]

sudo commands are running without any passwords. I had not made any setting to make something like "sudo without password" This view show how sudois running without prompting for password ...
1
vote
0answers
14 views

How to change pptp vpn remote password 12.04

I'm looking for a way to change my pptp VPN connection password on the remote server, is there any way to do this? I know that from windows if the password expires the connection automatically prompt ...
0
votes
1answer
50 views

DigitalOcean droplet root password not accepted for client, but works for console

I have an Ubuntu 14.04 droplet with PubkeyAuthentication set to yes and PermitRootLogin set to no. Since I created it, my pubkey has worked fine. For some unknown reason today it's not accepting my ...
1
vote
2answers
82 views

Password protect changing wallpaper

In order to prevent someone (other than me) from changing my background, how can I make wallpaper changing an action requiring a password?
0
votes
0answers
45 views

How to make an admin account like guest account

I need an admin account to work as guest session - I need all settings restored - files deleted, background wallpaper restored after reboot. This is for school - I cannot use guest session on school ...
0
votes
1answer
65 views

logon without password kubuntu 14.10

I just set up Kubuntu 14.10 beta, how can I set it up to not require a password when booting up (after a restart). I want to start or reboot the PC and it NOT to ask for a user name/password, just go ...
-1
votes
0answers
70 views

ERROR: Failed to load session “ubuntu” after ubuntu 12.04 LTS updates…Ubuntu 14.04.1 LST was not selected/unwanted & installed

Ubuntu session fails to load after this update manager debacle. I DID NOT select to upgrade from 12.04 LTS to 14.04.1 LTS. I ignored canceling the prompted partial install I've been prompted with ...
1
vote
0answers
40 views

How to reset admin password, without grub/boot/recovery mode, and without live distrib [closed]

I recently purchased a used notebook running Ubuntu 9.04, but I don't know the password. It doesn't have a boot menu, so I can't access the recovery mode. (can it be accessed an other way ?) There ...
0
votes
1answer
38 views

Ubuntu 14.0.4 freezing

I've just installed 14.0.4 and it freezes if left for any amount of time (more than a few minutes) The mouse moves, but any input on the keyboard isn't shown on screen (password lock screen) The ...
1
vote
2answers
68 views

Can not get two Ubuntu 14.04 computers to work via Samba

First, I am using Samba because, though primary computers are Ubuntu 14.04, I have Windows laptops. These laptops should gain read access to the primary database. The primary database is on my ...
1
vote
1answer
58 views

Ubuntu 14.04 won-t pass login screen after update and terminal won't accept password

So, I've been using Ubuntu 14.04 for several months now [still a newbie] and today, disaster has struck. I installed an everyday update, not really sure which, the kinds that I'm prompted for all ...
0
votes
2answers
57 views

ERROR 1045 (28000) on mysql-server installation [duplicate]

I am new to Ubuntu trying to install MySQL. sudo apt-get install mysql-server php5-mysql then to create database directory structure sudo mysql_install_db Then to secure I use sudo ...
0
votes
1answer
74 views

Password dialog doesn't work on lock screen 14.04

I have a two-monitors configuration. Sometimes after a long period the passord dialog on lock screen doesn't work. Input control doesn't appear. Is may happen in one or both monitor dialogs. What ...
0
votes
0answers
19 views

How to assign the password to mount any drive other than login password?

I have searched for the above stated problem but did not find any answer. The answer stated in other questions only provide a method to ask for password while mounting the drive, which helped me a ...
1
vote
0answers
30 views

Is it possible to enter password once for 2 encrypted partitions at start-up? [duplicate]

I have my ubuntu 14.04 installation set up with my / and swap partitions encrypted. They both have the same password. My /home is on a separate HDD. My user login password is different to that of the ...
0
votes
0answers
15 views

Samba printing: difference in prompt for authentication vs set authentication details

I'm connecting a printer via Samba and am observing the difference in Authentication. When I hit 'Verify' using the 'Prompt user if authentication is required' details, and I enter my username, ...
-1
votes
1answer
157 views

Ubuntu touch Terminal app asks for password

I just installed ubuntu touch latest devel on my nexus 7 2013. Everytime i open the terminal app it asks for a password. I am not talking for the root password that i read it is "ubuntu". Does anyone ...
0
votes
2answers
161 views

localhost/phpmyadmin root password recovery in ubuntu

I have recently installed phpmyadmin in ubuntu 14.4 but when I go to localhost/phpmyadmin to login and enter user as root and password it will generate the error Login without a password is forbidden ...
-1
votes
2answers
50 views

Just installed UBUNTU and two problems [duplicate]

First every time it asks me for a password in a terminal all the keys on my keyboard stop working completely fine all the time until it asks for the terminal password so I cant do anything Second. ...
0
votes
2answers
57 views

How recover encrypted home when lost because user password was changed with root?

My Ubuntu-encrypted home directory was lost when I changed my user password. This was because I did it from the command line as root. So my user password is no longer linked to my encrypted user ...
0
votes
1answer
49 views

I've changed my login by manual editing the /etc/passwd and my former password is not recognised

I've modified the /etc/passwd by changing manualy mickey to mike such as: mike:x:1000:25357:mike:/home/mickey:/bin/bash Unfortunately, when I'm trying to log as mike, my former password in not ...
0
votes
0answers
38 views

Anyway to bring back encrypted home information

Recently forgot my password? And I've tried to reset the password. The problem is that the home direct is encrypted. So there is no way to log in through new password. Cannot remember old password ...
0
votes
1answer
60 views

Correct password is not accepted for Evolution

Evolution does not accept my password when I try to send/receive mail. I have set up my gmail account in Evolution with these settings: SEND: smtp.gmail.com RECEIVE: pop.gmail.com (also tried imap ...
0
votes
1answer
103 views

glassfish: Authorization has been refused for credentials [user: admin] given in this request

On Ubuntu 14.04 Tahr and Glassfish 4.1, I managed to reset my glassfish master password as so: ejb@ix:~$ ejb@ix:~$ glassfish4/glassfish/bin/asadmin change-master-password Enter the current master ...
0
votes
0answers
12 views

Forgotten my main ubuntu login password [duplicate]

Im trying to log in to my old pc after a couple if years of not using it, but can't for the life of me remember my old password. I really need to transfer some files over to my laptop, but can't ...