What is the live session user password in Kubuntu 15.04? Furthermore, why is there a password for the live user at all?
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When I boot Ubuntu 10.04.3 from a live CD, it asks me to enter a username and password. I have not booted before, and I haven't created an account.
25313
I am on Ubuntu and I have forgotten the password for my Gnome Keyring (yes, stupid me, I know). Any way I can get it back? I have already looked at , but it says it's not possible if my home directory is encrypted and unfortunately my home directory is encrypted.
115664
It asks for login profile name and then password. Is it some kind of problem or it looks that way?
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On login the password is accepted but I'm returned to the login screen. Tried multiple times even after reboot... same behavior.  I left my laptop (Lenovo Ideapad z510) in suspend mode (lid down) last night, but it did not resume this morning, as it usually does. It had shutdown or crashed, and on booting with Ubuntu the login failure mentioned above started.  cat ~/.xsession-errors /usr/sbin/lightdm-session: 1: /usr/sbin/lightdm-session: ls: not found /usr/sbin/lightdm-session: 104: exec: gnome-session: not found   Okay. I've tried a bunch of suggestions from    Changed id to /usr/sbin/id in /etc/profile removed .Xauthority removed /tmp removed,  purged and re-installed lightdm checked .profile for syntax errors (source .profile worked fine, so I guess no syntax errors)   Nothing worked. My guest login is working fine, so another user should also work. I'm now going to create another user and continue working, but a solution to this problem is still warranted... it's likely going to repeat in future.  Installing and reconfiguring gdm also did not work.  sudo apt-get install gdm
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Ubuntu disables root login for "security reasons". However it seems to me that it doesn't help with security at all.  If an intruder manages to get your login password for Ubuntu, then he also has the super-user password, since it's the same as the login password.  However if the root password is required, then just having the login won't help the intruder much - that's right isn't it?  So basically, what I want to know is: Why did Ubuntu choose to disable the root password? What are the security reasons?  Please don't answer according to what you "think" was the reason - I'm looking for an answer from official sources, or linked to them.
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What is the default password of the sudo? I visit some forums, it tells that the default password is password, but it doesn't work, how can I determine the password?
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how do i set the password settings of a user (named: interface) to not asked on login via the command line on ubuntuMATE?  i need to do this via the command line because the screen resolution on the raspberry pi is a very low 420x360 making doing it via the GUI impossible since it doesn't display fully.
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Want to set a guest session password for login. How do you do this after skipping it at OS install?
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Is it possible to disable direct login for normal users (like oracle) in Linux but allow scp and sftp for that use?
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I have a shell script that can only be run from a live session (LiveCD or Live USB) because it shrinks the root filesystem of an actual installation, which can only be done when the filesystem is not mounted.  If the script is run from the live session, it should pursue its execution. If not, it should fail.  I cannot find a way to differentiate the live session and a "normal" user session, as the live session has a look-and-feel very close to the installed system sessions. The only thing I can tell so far is that live sessions always have ubuntu as the hostname, but I cannot rely on that since the user can choose this when installing Ubuntu.  Is there a way of identifying this in a shell script / command line?  (I hesitated between posting on Ask Ubuntu or Stack Overflow, I can delete the post and re-post on Stack Overflow if more appropriate)
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When I install the Ubuntu, I set a short password(&lt;4). Now I want to change the other short password by "passwd" or change passphrase on "Password and Keys" program, it needs a password >4 char.
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I am writing a script to add a large amount of users to a system. Part of this involves setting default passwords for each user. How can I set users' passwords without it prompting me for the password up front?  Unfortunately passwd doesn't seem to take an argument stating the new password to set. I'm using Ubuntu 11.10.
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If you use sudo su - or sudo -s you will get the full root certification  "likewise a root user ".  Is this user an official user or is it from canonical?  ~$ sudo su - [sudo] password for username:  root@lp:~# id uid=0(root) gid=0(root) groups=0(root) root@lp:~# pwd /root root@lp:~#
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Why does Ubuntu not allow the GUI users to login as root at the time of system start up like administrator in Windows?  Why they are restricting us to login only through the terminal?
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How can I limit the number of active logins per user?  I've seen this on various servers before, and I was wondering how I could set this up myself.  Perhaps in those cases, this was accomplished by limiting the number of active SSH logins per user?  And I guess that would be the way to go.  How would I set this up?
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How do I disable the guest session in Ubuntu 11.10 or higher? I don't want people to be able to use my computer without using a password to log in!
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I'm trying to install the  IDE in my Ubuntu and in the process it's asking for my root password which I don't remember. I know my  user password. How can I recover my root password?