Ubuntu Security :: How To Disable Login Prompt
Feb 17, 2011
How do I disable showing Usernames? I want to be prompted for BOTH un and pw. If it is necessary I could just change it so that it boots into a fullscreen terminal so that you would have to input "startx" and then username and password. Or I could just change it through gui or 3rd party software.
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Apr 2, 2010
Whenever I boot up my computer, Ubuntu (10.4) brings me to my desktop, then immediately displays a prompt to enter my login keyring. After some searching on the forums, it appears that this is because I set my laptop to auto-login. Am I missing something here, but what does auto-login have to do the the keyring? Why do I even need to enter that password? I understand that many Ubuntu users are picky about security, but why isn't their any option to disable this? It's almost as bad as UAC from Vista, which is one of the reasons I'm dual-booting Ubuntu in the first place. This is an annoying "problem" that has been bugging me since I first installed Ubuntu - how can I change it?
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Nov 12, 2010
I click on the corresponding checkbox in users and groups but but it doesn't do anything. I also want to disable password prompts in general. Also when I try using Computer Janitor it says it could not complete and to check if other package managers are open, but none are.
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Aug 17, 2010
I'm running Fedora 12, and I need to disable the firewall from within a shell script, which rules out system-config-firewall. I tried the following:
Code:
service iptables stop
service ip6tables stop
chkconfig iptables off
chkconfig ip6tables off
but that didn't do it.
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Dec 17, 2010
I've recently installed Ubuntu 10.10 on my laptop -- clean HD, no other partitions.
(It's odd, though; when I go to System -> About Ubuntu, it tells me I have version 11.04 Natty Narwhal.)
Anyhow, when switching on my laptop, a short drumming sound effect can be heard when the login prompt appears on the GUI.
There are numerous threads on the Internet explaining various methods to disable this. I have done everything as instructed in these threads to no avail, including:
1) System -> Administration -> Login Screen -> Unlock -> [enter password] -> make sure "Play login sound" is unchecked (it was already) -> Close
2) System -> Preferences -> Startup Applications -> uncheck "Gnome Login Sound" -> Close
3) System -> Preferences -> Sound -> Sound Effects -> Alert volume -> check "Mute" -> Sound theme -> No sounds -> Close
It's foolproof, really. Nevertheless, when restarting the computer, the drum sound is heard again at the login prompt.
I realize I can simply find and delete the sound files, but isn't that a bit harsh? Surely there must be a more elegant way to silence the login.
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Jan 22, 2011
I have tried everything to disable automatic login from the login screen (gdm). I've changed my password, I've changed the settings in System -> Admin ->Login Screen, and I've edited /etc/gdm/custom.conf (gdm.conf doesn't exist, but I created it just in case!).No auto login is set up, but I can't get it to ask for my password. This is affecting my ability to switch sessions, as I can't switch sessions without clicking on my name in gdm, and because it's set to auto login,
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Sep 28, 2010
How can I disable the password request when i login? Not the password for the user but the password to connect to the net?
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Mar 18, 2011
I'm the only user of my PC and as of upgrading to 10.04, I get a login screen, that requests only a password, when the PC goes idle.
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Sep 4, 2010
Is there anyway I can disable an account from being logged in via Putty, but permits someone else to "su" into the account? For example, an application is being run as "app_account". Because there will be multiple people administering this application and the password is shared for this "app_account", I want to disable 1st level login for it. I want to make it such that only the permitted people can "su - app_account", once they have logged into their personal account. How can I do this? If I set app_account's shell to /sbin/nologin, the users are also not allowed to do "su - app_account".
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Feb 25, 2011
I want to disable the remote login for particular user id in linux server.
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Apr 4, 2009
Remote root login is enabled. How do I disable this
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May 5, 2011
I always get this prompt in Ubuntu and the option to auto login is grayed out so i cant choose it. Its not a serious issue but does anybody know how to unlock it when i sign in on Ubuntu 11.4?
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Jan 6, 2010
When I try and login at the main login in prompt after boot, it just returns me back to the prompt again.
If I login as root it's fine...OpenSuse: 11.3 Kde: Latest
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Jan 27, 2010
I just installed Fedora 12 on a laptop. I changed the default shell on the root account to /bin/tcsh and changed the runlevel to 3 and then rebooted. Now I can't login into the root account: it returns me immediately to the login prompt and I can't see any error message (the screen is cleared).Why is this happening?Can I boot into some sort of safe mode so I can undo my changes to the /etc/inittab and /etc/passwd file?I tried booting with a Live CD with the intention of mounting the filesystem and making the changes, but the new filesystem is a LVM and it won't let me mount it (or I don't know how to mount a Logical Volume).
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Dec 9, 2010
How do you disable the keyring prompt in 10.04
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Sep 10, 2010
I configured my flash drive to be bootable using the gui startup disk creator, and it's working pretty well for me, but every time it boots, it pops up the dialog where you have two options, to use the live usb mode or to install. Is there any way to bypass that prompt and just go straight to the live usb mode?
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Aug 23, 2011
Can I disable the password prompt after I come out of suspend. I remember a setting in the last release but I can't find it in 11.04. Is this setting still there? Where can I find it?
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Jan 13, 2011
I've looked quite a bit, but didn't find an answer.
I have a Thinkpad x61s which comes with a "Sierra Wireless Mini Card module".
When I start up my computer, I get prompted for a PUK / PIN.
"Unlocking SIM PUK required" (sorry, this is a direct translation of the French, might not be the exact same words in English)
With three fields to fill:
Code PUK
New PIN Code
Reenter new PIN Code.
I don't have a card in my computer, and broadband mobile is not activated in networkmanager.
Does anyone have an idea how I can disable this prompt (I don't intend to put in a SIM card before some time).
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Apr 22, 2010
how to disable this prompt screen
from appearing every time I move my mouse pointer to the top left corner.This is annoying because every time i try to select 'computer' from my top placed taskbar, this prompt shows up.
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Jun 25, 2010
I don't get a UI login prompt at startup and it makes a sound. I'm using 10.04, though this did happen to me in 9.0x as well. When I press ctrl-alt-F1, I login and sudo gdm stop and do sudo startx this seems to put me at root and there is an error with the applets and the panel does not load. "Killall gnome-panel" does not fix it.
If I simply do startx (w/o going to root), it goes to a black screen and if I press ctrl-alt-F1 it repeats "No protocol specified" until I get the error message xinit: Resource file temporary unavailable (errno 11): unable to connect to Xserver.
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Dec 19, 2010
I managed to change the background by copying over a new image file to some directory. However, there is still the big boring login window. Is there any way to change that? I'd like something darker, and smaller. I copied over the image file to /usr/share/backgrounds/warty-final-ubuntu.png My image file was actually a jpeg file, but copying it over to /usr/share/backgrounds/warty-final-ubuntu.png posed no problems.
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Apr 30, 2011
I am not getting the new login prompt that allows you to select classic. I still get the same login prompt i had on 10.10. How do i correct that?
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Jul 6, 2011
This might be simple but i am unable to find an answer anyplace online. How do you change the terminal login prompt on a Ubuntu server?Right now when you go to log into the server it displays:<old_servername> login:
I would like it to just display login without the server name or the new server name. I am not sure how that info go in the login prompt to begin.
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Feb 26, 2010
I had received ununtu HH CD, which I loaded few times in few machine without problem (CD is ok). But in a perticular machine ubuntu HH, makes the screen garbled during installation and after installation at login prompt, but screen is just OK before the login prompt. This is happening in one machine and when i tried to load ubuntu 9 and fedora core in this machine, all goes fine (installation and use) means machine is reasonably ok. As I load edubuntu on HH, hence this ubuntu loading is important for me.
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May 24, 2010
I installed 64 bit Lucid Lynx last week. There were some issues with the grub boot manager and my windows boot manager. However, about half the time i would boot to reach only a login prompt. If i used CTRL ALT DEL i would then reboot usually into the GUI.So now i only reach a login prompt all the time. How do i get the the GUI to run automatically?
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Aug 13, 2010
I'm getting some weird behavior when I log in via ssh to a ubuntu server. When I log in, there is only a $ at the command prompt, no user name. The arrows don't work, they just put the arrow characters in the prompt. Everything else seems to be ok. Also, when I say logged in as User, I meant a new user I just created.
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Dec 9, 2010
A lightning burned out our server disk, which ran Ubuntu 8.10. We installed Ubuntu 10.1 and followed instructions to install CoovaChili access controller for our network. All went fine as before, ifconfig indicates subnets eth0 and eth1, as well as the local network lo. Subnet eth0 works fine, but eth1 does not provide the login prompt window.
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Feb 1, 2010
After upgrading to Ubuntu 9.10 I no longer get a login prompt when switching to console mode e.g. (CTRL+ALT)-F1. Instead i just get blinking cursor in the top left corner. Key strokes are printed the screen but otherwise nothing happens. I can switch back and forth between X and the console normally.
Where are the consoles configured, and is there a corresponding log somewhere i can check? Has anyone had similars problem?
My system is an old Amilo Pro laptop with a VIA 800 compatible chip-set.
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Feb 6, 2010
Usually I get a login prompt on Ctrl+Alt+F[1-6], but now I just see a blinking cursor in all of them, along with some boot messages in the first virtual terminal.
Code:
fsck from util-linux-ng 2.6
init: bootchart main process (462) terminated with status 2
init: bootchart post-stop process (474) terminated with status 127
/dev/sda2: clean, (integer)/(integer) files, (integer)/(integer) blocks
init: ureadahead-other main process (870) terminated with status 4
What's even weirder about this is that I uninstalled bootchart a few months ago. Whether that's related or not is beyond me, but the virtual terminals did stop working somewhere around that time. I solved this by reverting to my original /etc/network/interfaces file. Without the loopback "lo" device, the runlevel was never set, and virtual terminals never loaded.
This should be somewhere in the interfaces file:
Code:
auto lo
iface lo inet loopback
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Jun 30, 2010
I can boot up ubuntu but it's just showing the default background, the login prompt won't come up. What do I do? Startx doesn't work in the terminal (ctrl-alt F1), it gives an error. I can log in as root (recovery mode) and startx works and the desktop comes up though.
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