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

learn more… | top users | synonyms (1)

0
votes
3answers
118 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 ...
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 ...
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
42 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: ...
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
809 views

Trying to access Windows 8 computer asks for password 14.04 LTS

I have installed Samba share on Ubuntu 14.04 LTS - I can see my Windows machine via 'Browse Network' but when I double click the icon it asks me to verify my username, workgroup and password. The ...
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
1answer
74 views

How to hide new created user in /etc/passwd in Linux?

I have created new user named "testuser" in linux system. After that i used "cut -d: -f1 /etc/passwd" cammand to show user list in system. Now I can see all users including new created user ...
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
59 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
1answer
49 views

Script to list passwords for wifi connections

I am writing a script that finds various pieces of information about the ethernet interfaces. I have got most using ifconfig and iwconfig. However I now need to extract the passwords. The passwords ...
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
1answer
194 views

Change expired password via ssh

I have added some new users and set default passwords. Using chage -d 0, I have expired them, hoping that they will be prompted to change their passwords the first time they login. Unfortunately, ...
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
3answers
472 views

Computer not asking for password after waking from sleep

I have recently installed Ubuntu 14.04 and set up an account with a password. I configured the computer to ask for a password after waking up from a sleep however, I am still brought back to desktop ...
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 ...
5
votes
2answers
15k views

How to reset a password from kwallet?

How to reset a password from kwallet? I've read about a kwallet GUI that could be installed from synaptic, but I found nothing. Actually, it shows a GUI asking me the password, so is must have ...
0
votes
0answers
57 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
101 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 ...
0
votes
2answers
125 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 ...
1
vote
1answer
59 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
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 ...
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 ...
4
votes
1answer
55 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 ...
2
votes
1answer
211 views

How do I get openldap password policy to work on 12.04 or 14.04?

I have installed the overlay, set up a default policy, I see in syslog that the policy is being referenced, but it does not seem to be enforced. Specifically, I have been testing out pwdMinLength of ...
1
vote
1answer
59 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
36 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
18 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
138 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 ...
0
votes
1answer
42 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
37 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
217 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.
2
votes
1answer
172 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 ...
1
vote
2answers
98 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?
3
votes
1answer
3k views

Looking for pageant equivalent

I was wonder if there is an equivalent to pageant for Ubuntu, for those of you who are unfamiliar with this tool, its basically a tool that runs and types in your password for public and private keys. ...
0
votes
1answer
32 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
26 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 ...
1
vote
2answers
131 views

Screensaver started and locked the “guest account” and asks for password.

I were logged in as a guest user on Ubuntu 12.04. I left the computer for a while and when I came back the screensaver had started, and locked the computer. Now it asks for a password to log in to the ...
0
votes
0answers
17 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 ...
3
votes
2answers
868 views

Password field of login screen is disabled

I'm using ubuntu 14.04, here in the 'login screen' the password field is disabled, this issue also occurs sometimes during 'lock screen'. I don't want to remove password from my account nor do i want ...
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 ...
5
votes
2answers
241 views

First password often wrong when unlocking computer

I have a laptop with Ubuntu 14.04, when I lock my computer and try to unlock it after some time has passed (not if I do it immediately) the first time I try to unlock it, it will tell me that my ...
0
votes
0answers
46 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 ...
4
votes
1answer
3k views

unable to reset root password of mysql

I need to reset the root password of my local mysql installation but it woudln't let me. I've tried this: $ sudo /etc/init.d/mysql stop * Stopping MySQL database server mysqld ...
0
votes
1answer
3k views

Want to remove Unlock login key ring when no keyring directory is there?

Recently I lost my root user password. So I had reset it using the Recovery terminal. Now whenever I login, the Ubuntu shows a dialogue box with unlock keyring. I already tried for deleting the ...
-1
votes
1answer
41 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 ...