Fedora Security :: Forgot Login Password?
May 8, 2009
I just installed Fedora 10 on my laptop 2 days ago. I dont seem to remember the password i userd for my username. Is there a way to reset or change the password? I cannot login to the system.
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Aug 26, 2010
I have a problem with my ubuntu account. I am running 4 virtual machines, based on jeos-8.04 and I am using a public key authentication to login to my account (via ssh). This is not the problem, I have the key and the passphrase. But when I am logged in, I can't sudo, because I forgot the password for the accout.
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Sep 21, 2009
what does one do when he forgets the root password ? i still have a terminal logged in as root how can i change the password in terminall
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Mar 2, 2010
We use a linux (centOS I believe) cluster for our research. My professor somehow forgot the new password he set for root, and now can't login as 'su'. What is the way (or best way) to reset the root password without damaging something. I don't know whether it's even setup for 'sudo'. What will the procedure with and without 'sudo'?
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Feb 19, 2010
I opened my note book. I have installed XP, Ubuntu. When I boot, I select ubuntu os. But I forgot my Password. How to recovery or reset my password?
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Jul 28, 2010
I am new to ubuntu and I've installed it but I didn't use it too much. Now I was trying to login into ubuntu but I forgot the root password. Can I login into ubuntu or change the root password. I didn't make any other user than the installation were asking me. If I try to reinstall the ubuntu, the setup will help me to choose the same partition (to overwrite on the previous ubuntu)?
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Feb 4, 2011
I am using 10.04 ubuntu and I have forgotten my password to login to a ssh tunnel. It is not the root password on my computer. Is there any way I can find the password out, change it, or just start over and create a new one? I know it isn't a connection problem because I can't login to ssh from localhost either. I've tried reinstalling ssh too.
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May 22, 2011
I've encrypted my root partition with LUKS and cannot remember my password. My main question is this: is it possible to extract the hash (or key; not sure on the correct terminology here) from the LUKS header and run it through a cracker? The hash type is SHA1 and I can remember the characters I used for the password, just not in the correct order (lots of special characters). That being said, given such a small charset, it should be crackable within a reasonable time, correct? Especially if I used a GPU accelerated cracker. What I don't know how to do is go about getting the hash from the LUKS header. Is any of this possible, or am I SOL? Of course, I have physical access to the system so I can boot it into any utilities I may need to.
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Jan 21, 2010
I forgot my new password. I followed the guide on how to recover the password but in recovery mode my keyboard doesn't work, I have tried a usb and a ps2 keyboard. What is going on? Or is there another way to reset my password?
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Feb 15, 2010
My computer was working this morning and both hard drives were working fine, then all of a sudden for about two hours I was stuck with this "problem", then after fumbling and moving and stablizing things, then Windows works? See below for details. I've finally reinstalled both hard drives, but the one with the Linux partition doesn't work: it says nothing is discovered on the disk. I can't login at the LUKS login after grub starts, therefore I can't get into Linux, but Windows works?! I used to be able to go directly into Grub when the computer starts, I forgot how to do that but it doesn't matter. If you need details I'd be glad to provide them. I just wondered why Linux doesn't work, but Windows does. I have Linux & Windows on two different separate hard drives
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Sep 17, 2009
Forgot root password on fedora 10. Reboot into runlevel one and changed passwd and it said all tolkens updated. Typed exit and it didn't reboot and at login screen I logged in as other "root" and it didn't work with new password. So I redid the runlevel 1 and password change and typed init 6. It didn't work after that also. How to change fedora 10 root password if the old password is forgot?
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Jan 27, 2010
Can't seem to do it, wondering if anyone knows how? Normally there's something in sshd_config that can be switched to true or yes to allow root login but I can't see it in fedora 12.I can login via root at a terminal no problem, just not via ssh, I get access denied every time. Also, I need to login using password authentication.I've done: 227169 but that's just for GUI which I don't really need since I rarely ever log into the GUI.I have also searched through here and mostly only found info such as above, how to enable root login for GUI, or billions of posts about how logingin as root is bad but I cannotswer to my question.DISCLAIMER: Please do not reply to this thread if all you can contribute is the question of why I need root or to put some message telling me I can do everything using su, etc, etc. Please only contribute if you can answer my question. A: My machine and a valid quesiton. B: Spirit of Linux is open, not restrictive
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Oct 1, 2010
I am running Fedora 13 in vmware player for a class that I am taking at school and I forgot the root password, anyway I can change it or recover it?
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Jun 14, 2011
everytime i try to vnc to my box, it pops up the keyring authentication, which is obviously a huge problem when logging in remotely.how do i change my keyring password to match my login password?
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Jul 2, 2010
i forgot root password and how to change the password
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Dec 14, 2010
I'm seeing really bad user login format under a standard installation and am wondering why ubuntu does this as default. I have noticed that the graphical login for gnome sizes itself to accommodate a user's exact password length. This indicates to me that somewhere on the unencrypted part of a standard installation with user encryption contains at least some indication of the content of the password length which seems a security flaw even if not a complete hole, it majorly reduces the number of attempts a cracker would have to cycle through.
And that's assuming that *only* the length is contained. Furthermore it seems that it would be MUCH better to simply display the number of characters entered into the pw field and allowing the gui to expand itself from an fixed size as the field is filled out so the the user still receives visual feedback for entering characters. Either a simple character count display should be entered into the field or a 10 dot to new line so that one can visually quickly count the number enter by multiplying from a 10base graphical observation.
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Jan 19, 2011
I installed linux system into a USB stick, but it never asks me to enter login password (i am the default user "root") when booting. I checked the settings in "User and Group" panel, and found everything there is OK. What additional settings should I make to this problem?
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Jan 1, 2010
I forgot my ubuntu password, trying to follow the instruction on the web but keep fails to recover my password.
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Jan 20, 2010
Found a major security hole in one of my more crucial linux servers today. (Only locally) I can use the user name "root" and any string for the password. So I can literally type "poop" as the password and the server lets me in. I know how to set root password settings for SSH and sudo, but where are settings located for local access that would allow something like this?
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Nov 25, 2010
Kernel 2.6.21.5, Slackware 12.0
GNU bash 3.11.17
Being in a text console (VT, that is, the screen with 25 x80 chars), say tty1, and just after booting linux, I logged in as usual,typing my password.What happened then astonished me. In Slackware distros, a small quotation from some book is written on screen just after typing the correct password. Well, after typing my password, I could see it split into two halves instead of the quotation.
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May 5, 2010
There is this one server running CentOS5.4 Final which has certain application like Bugzilla. I have setup ssh on it and setup is for password less authentication. Have also setup PasswordAuthentication to no. So with password authentication should succeed. But it is. Though password less authentication is working fine, but I am also able to login using password.
Code:
RSAAuthentication yes
PubkeyAuthentication yes
PermitEmptyPasswords no
PasswordAuthentication no
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Sep 30, 2010
I was just wondering about logging in to my remote server via SSHv2.
But I want to set a passphase key but not make the server ask for it when logging in, would this at all be possible?
I am well aware I may leave it blank but doesnt this pose a security threat possibly?
I have heard somewhere that you can get Linux Centos 4.8 to do this
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Feb 21, 2010
I am running the latest xubuntu and I lost my password or so I think I might be typing it wrong, is there way to recover it (easy please).
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Mar 11, 2010
I forgot my usrename and password to get in what can I do?
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Oct 25, 2010
I read a few pages on how to get my password or reset or whatever and the pages don't apply to Ubuntu 9. They seem to describe older versions of Ubuntu and as i haven't done this before i have no idea where to go with it. One site suggested i add a line into an edit page after getting into the recovery mode but i can't see how. I am using a livecd to post right now. I forgot the password because it took forever for me to get my replacement motherboard after frying the previous one.
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Dec 3, 2010
Does any know if there is a way to recover or reset my password. Its the only account on the desktop.
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Jun 16, 2010
How can I get root passwd when I forgot it?
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Aug 30, 2010
Im trying to get into my system for first time in 2 years, i've forgotten all of my login info.. is there a back door..BTW ive never gone behind the scenes with this o/s before
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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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Apr 4, 2011
Second off, I'm trying to capture a user password on login (through gdm) such that I can re-use it for a service like Kerberos or AFS. The idea is that the user has to log in only once, and then I renew the tickets and tokens until they log out again. If there's a better way to do this
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