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
1answer
217 views

ubuntu drop to root shell prompt asks for password

I'm using ubuntu 14.04 and I messed visudo and now sudo code is not working. So, I tried to fix it but because I'm not root user, I can't access to visudo to fix what I messed. so I tried reboot and ...
0
votes
1answer
45 views

Evolution 3.10.4 password nuisance

I have been using `evolution' since 2007. This summer evolution has started, for no apparent reason, to ask for mail account passwords and key-ring passwords at 5 minute intervals. Can Anyone tell me ...
1
vote
0answers
50 views

Ubuntu Samba share files with different passwords?

I am trying to figure out how to make separate passwords for all of my shared folders. For example. [Share Name] path = /location/of/directory guest ok = yes browseable = yes read only = no I ...
0
votes
1answer
55 views

Further username and password problems

I'm new to Ubuntu. I'm testing out 14.04 on several netbook, tablet and tower platforms and am impressed by how easy trying & installing is compared to my first efforts 10 years back! Both ...
2
votes
4answers
785 views

Is there any difference between sudo password and the one I used to login? [duplicate]

I was under the impression that both the sudo password and the password that I use to login to Ubuntu are the same. But it happened that after logging into the system, tying the password in terminal ...
2
votes
1answer
83 views

Have I killed my Ubuntu 14.04.3 trying to recover password and get Grub to work?

Been happy Ubuntu convert since late 2013 when paid to ditch Win8 and install Ubuntu. [Ubuntu 14.04.3 on HP Compaq CQ58] Like many others forgot my password For me that happened after lappie lay idle ...
11
votes
1answer
1k views

Why is there an inconsistency in base64 output?

I am using the java based neo4j graph database on lubuntu 15.04. The neo4j HTTP authentication header uses base64 encoding of 'username:password' (not including quotes). Using wireshark I can see ...
1
vote
1answer
49 views

sudo doesn't request a password after installing PiNet

After installing PiNet on my Ubuntu machine, I noticed that sudo is no longer prompting me for a password. This is still the case after rebooting or after running sudo -k: $ whoami thang $ sudo ...
0
votes
0answers
30 views

Recover data from /home

I have changed my laptop's hard drive because the Elemmentary OS that was installed on it, didn't start, and I can't figure out how to fix it without formatting the drive. Now I have installed in the ...
0
votes
0answers
28 views

How do I change full disk encryption password [duplicate]

I have recently fallen in love with the new Xfce4 desktop environment. After trying out Xubuntu 14.04.3 LTS, I made up my mind that it shall be my new OS. Just as any Ubuntu flavour I have installed. ...
0
votes
2answers
62 views

Install CryptoTE for 14.04 (trusty)

I am trying to install CryptoTE on 14.04 (trusty) using these instructions which are for 12.04. Link to CryptoTE, Instructions First is this: wget -O- https://panthema.net/repo/key.asc | sudo ...
0
votes
0answers
21 views

password reset doesn't really work [duplicate]

I forgot my password and used the methods recommended here. I tried both the more manual, command line, method and the graphical menu method listed in the following link: How do I reset a lost ...
0
votes
1answer
41 views

Convert Ubuntu to _not_ using sudo

I've searched this forum but not found an answer. I've a user that uses sudo I've set a root password so I can use su What I would like to do is remove the use of sudo, so that the system asks for ...
2
votes
1answer
97 views

Root shell is not helping in recovering access to administrator account whose password I have lost

I lost administrative password. I have tried - I know the regular method by which I go to GRUB menu and go to root (drop to root shell prompt) and set password there. It is well described - here. To ...
0
votes
1answer
40 views

Can console be suspended and ask for a password on wakeup?

Although I suspect that this is not currently possible, I would just like to ask because it would be something very useful in my opinion. Because when I close my lid and I am in the GUI my computer ...
0
votes
0answers
15 views

Username Password doesn't work after upgrading to ubuntu-14.04 [duplicate]

I have upgraded Ubuntu from 13.04 to 14.04 and I get an update pop-up box. But after the upgrade I am unable to login to the system. It gives me an error that the user name or password is invalid. ...
1
vote
1answer
172 views

How to prompt for sudo password using GUI?

I have written a Python script that executes several sudo-requiring actions. How can I make the script provide a GUI prompt for the sudo password when executed? I've tried placing gksudo -s python ...
0
votes
0answers
67 views

Ubuntu cannot connect to samba workgroup

I have two desktop computers in my network, both of them running Ubuntu 15.04. From my own I have shared my Public folder (local network share), then Samba got installed. After that I tried to access ...
0
votes
0answers
27 views

Authentification problems in Ubuntu 14.04 [duplicate]

My admin password is not accepted. All the solutions given in similar posts require to enter a password at some point, but in my case it is never accepted. Caps lock is not on, it just doesn't work. I ...
2
votes
0answers
65 views

In Ubuntu 14.04, password works for system login but nothing else

TOTAL noob here, having installed Ubuntu 14.04 on my laptop (with some difficulty, as I have no clue what I'm doing). I set a strong login password that continues to let me log in to my system. I can ...
0
votes
0answers
39 views

Display all images using next arrow from a compressed file(zip or rar )

Is there a way to display an image from compressed file(zip or rar file) and then press next arrow to display the next image in that compressed file (zip or rar file). In both cases(where we have a ...
0
votes
0answers
49 views

Ubuntu backup - at the end of my teather

getting really frustrated with Ubuntu at the moment. I have been using the inbuilt backup system since I built Ubuntu 14.04, I use encryption and use the same password and it has never changed. HDD ...
0
votes
0answers
25 views

why the first to switch root user password is required ?

When I Bahrain ubuntu system , the first time in the terminal to switch to root users are prompted for a password , I did not remember to set the root password when loading system . Who can tell me ...
3
votes
1answer
51 views

hep me git rid of the password

This is Jim from Detroit. Long time listener, first time caller. Let me first say I'm a big fan of your show. I've got this Ubuntu 15.04 on my laptop and just about everything I do requires me to ...
2
votes
1answer
57 views

No password required for user login [duplicate]

I am running Ubuntu 15.04, but I have had the problem since 14.04. When i start the computer, the login screen shows up but i don't need to enter my password to login. I also cannot lock the computer, ...
0
votes
1answer
38 views

admin passwd lost [duplicate]

y'all..well, i created an another user and then changed the password for it, but after i tried to log in by that new user account it said that password is wrong, yea seems like i have entered an wrong ...
0
votes
0answers
57 views

On boot I'm prompted for keyring at login, how do I stop this?

Every time I boot up the laptop, this message pops up on the login screen: "enter password for keyring "default" to access" (slightly paraphrased but same gist). It all started when I bought a mobile ...
2
votes
1answer
58 views

Password-protected GRUB does not boot Ubuntu, but Windows works

So, I was trying to password protect my Windows 8.1 partition following the under-mentioned tutorials: http://www.howtogeek.com/102009/how-to-password-protect-ubuntus-boot-loader/ ...
-1
votes
2answers
48 views

Changing file's properties so you could only add text to it, is it possible?

Is it possible to make deleting text from a text file impossible while still being able to add text to it? For example, let's say i have a text file with these three letters in it : A B C How can ...
0
votes
1answer
271 views

Can't change root password, passwd doesn't do anything

I just got a dedicated server with ubuntu 14.04 on it. I haven't received root details in my server info email, but instead for a different user. So I wanted root access and tried to change the ...
0
votes
1answer
39 views

How to prevent loggin in via ssh as my domestic user?

Hi i am kind of a newb in ssh but i setup a domestic server in a laptop. I have a user called e.g. USERBRUNO with a password authentication required. The problem is that if my friend does ssh ...
1
vote
1answer
38 views

Why the Software Updater asked for password only in the first attemp of installing updates?

Sometimes, the Software Updater asks for a password (normally when you try to install kernel updates). Every time that I connect to the Internet, the first thing I do is check for updates. And I got ...
0
votes
1answer
30 views

Ubuntu doesn't ask for password after booting [duplicate]

I'm using Ubuntu 15.04 and already changed the settings refered to password. But my PC doesn't ask for any when I start it. There is only my user available.
0
votes
0answers
29 views

Password Keyring unlocked too late in Chromium

The first time in a session I go to the login page of a frequently visited site, the password field isn't filled. I must enter the site password and login. I only then get asked to unlock my password ...
0
votes
0answers
19 views

password changed by poppassd doesn't reflect smbpasswd

I have installed poppassd and coded a php script for users to change their passwords via web. However I noticed that what being changed via poppassd did not reflect users' samba password. Any pointers ...
21
votes
6answers
1k views

How to make super-user permissions last longer than using sudo? [duplicate]

Is there a way through which I can make the sudo command give me permissions for a longer period than its default time? It can be a pain having to keep entering the sudo password, when requiring the ...
0
votes
1answer
46 views

Ubuntu 14.04LTS on windows 8.1 virtaul machine unable to login to GUI with correct password

I am new to linux OS learning and facing following issue. I have installed ubuntu 32 bit on Virtual Box 5.0 . I am using HP Pavilion laptop with windows 8.1 installed. Issue is that even after ...
0
votes
0answers
7 views

Can't Install MySQL Server 5.6, Gettin Error: Unable to set password for the mysql “root” user [duplicate]

Unable to set password for the Mysql "root" user An error occurred while setting password for the mysql administrative user.This may have happened because the account already has a password, or ...
1
vote
0answers
213 views

14.04 try Ubuntu asking for username and password

Hi I've seen this question but no answers I've downloaded an ISO and burned a DVD and then booted from it, then it displays try Ubuntu and install Ubuntu I would like to try first but when I do this ...
0
votes
0answers
63 views

Ubuntu won't accept my password for authentification

I downloaded Ubuntu through WUBI. When asked for authentication for anything using Ubuntu it does not accept my password. It considers me strictly a guest. What can I do to rectify this issue.
0
votes
0answers
15 views

Resetting windows 10 password from Ubuntu [dual boot]? [duplicate]

I dual boot having Windows 10 and Ubuntu 14.04 LTS. Yesterday I just updated my windows and after that I can not login using my password(I had my email account for windows authentication, I am able to ...
1
vote
0answers
20 views

No taskbar, tty incorrect login

I'm on Ubuntu 12.04. I've just installed libfolks25 and it had to restart a few services to complete installation. Once it restarted and rebooted the system, the taskbar and Unity sidebar have now ...
0
votes
1answer
31 views

Need run scripts as different users on same host to different hosts without password prompt

I need to run scripts with different linux users on same host to different hosts without password prompt. In other words, the deferent users are on a source host able to login (ssh/scp/other shell ...
1
vote
1answer
78 views

I used the terminal to change my password, but it's not applying the change

I changed my password using sudo passwd. It worked fine, with no errors, but my password hasn't been changed. I rebooted, but that didn't fix anything. What am I doing wrong?
0
votes
0answers
37 views

Reseting ssh password for accessing a virtual machine

I am trying to ssh into a ubuntu virtual machine, however the the ssh password is not the same as the login password of the virtual machine, is there a way to reset the ssh password from the virtual ...
0
votes
2answers
95 views

password does not work with useradd -p

I am running ubuntu 14.04 LTS. I ran the following command to create a user $sudo useradd -m -p password1 guest_user and then tried to switch to the user with $su guest_user But i could not ...
1
vote
0answers
107 views

create multiple users from csv file and communicate them the password

I have to create multiple users in an Ubuntu environment from a csv file that lists their names and password. I am using the following tutorial Import users from CSV file But I am not been able to ...
0
votes
0answers
26 views

Default Keyring asks for passwords instead of keyring

The default keyring is asking me for a password and then the keyring password. I made a backup of my mails in Evolution and made a restore and this are the passwords asked at start-up Can this be ...
0
votes
1answer
70 views

How Ubuntu does encrypt user's password?

How Ubuntu does encrypt user (session) password? What algorithms/mechanisms are involved in that?
0
votes
1answer
219 views

How secure and portable are Cryptkeeper encrypted folders?

I have some questions about Cryptkeeper. Is it safe to use Cryptkeeper for password protecting folders in ubuntu?Is there a chance that using Cryptkeeper causes data loss?(in cases other than ...