Ubuntu :: Su And Gksu Don't Accept Password?
Sep 1, 2011
I have this issue on both Ubuntu and Lubuntu 11.04 64-bit on 2 different machines. I have not tested 32-bit.
When I run synaptic or update-manager it presents me with gksu, not gksudo as it previously did in previous Ubuntu releases, no matter how many times I try it will not accept my password.
I have even given it command line arguments to print the password to the terminal and it's correct.
I have found a workaround - by running gksu-properties and changing the mode from su to sudo it will now display gksudo and accept my password.
However, I want to know why it won't accept my sudo password for the su and gksu commands? There are no error messages which are outputted, the gui just says incorrect password.
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Apr 25, 2010
I'd like to be able to run gksu (i.e. the default windowed authentication) without a password. I tried to find this on the wiki and here on the forums but wasn't able to find anything. I've allowed 'sudo' to run without a password:
Code:
<username> ALL=NOPASSWD: ALL
for my username but this has no effect on 'gksu'. As I am the only user on my machine and I have to enter a password on login
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Apr 19, 2011
How to fix the problem that is happening with gksu. It prompts me for the administrative password. I don't (for advised security reasons) have a password associated with the root account.
The sudo works fine and accepts my sudo password. Gksu fails with "incorect password... try again." error.
This is a new install of the Ubuntu Server 10.10 x64 Maverick edition.
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May 21, 2010
I can log into the user directly, ssh, but can't su to anyone
My problems: When i try to so su to any of the user I get this message
Also when screen saver is lock it won't accept my password as well
Example:
Steps and other way I have try to get this problem fix but fail
1] boot up a working version machine and look at
2] check the permission and the sticky bit on /bin/su file
3] went and copy the entire /bin; /usr/bin ; and /etc/pam.d from a working system over the the failed system and it also doesn't help
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Nov 19, 2010
Just like the title says, if I were to try to run anything through gksu and accidentally put in an incorrect password, instead of the gksu window coming up again, it would just terminate.
Code:
theyain@theyain-laptop:~$ gksu update-manager
GNOME_SUDO_PASSGNOME_SUDO_PASSSorry, try again.
sudo: 3 incorrect password attempts
Whats interesting is that it gives me the sudo error after only one incorrect password attempt.
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Jul 17, 2010
i set my pass on ubuntu 10.4 and it work so good on installing app but suddenly it stopped working i thought i would restart my pc i tried to inter my pass again ubuntu don't accept it although it's surely true
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Jun 15, 2010
I just reinstalled ubuntu lucid after accidentally damaging it, And I used all the same passwords and user names as before, I can login fine, and I can do sudo commands, but the gnome keyring wont accept my password, I tried changing my password using Applications>accessories>Passwords and encryption but that didn't work. How can I fix this so that keyring will accept my password, I need it to save my wireless router password.
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Aug 14, 2010
For some reason, several irksome changes have occurred. The worst is that it won't let me log in. It will not accept my password.? I was told that if I downloaded Ubuntu, I could use that to get to control panel and fix the problem. After 4.5 hours on another pc, I had the download and the cd does boot Ubuntu. What is my next step I have no working knowledge of Ubuntu.
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Oct 10, 2010
I've read through some threads here but the problem I'm having doesn't seem to be the problem others are having.
I just reinstalled 10.04 today after my last installation messed up after a month.
early when I first installed the terminal and sudo were working perfect but now, this is what I'm getting:
[sudo] password for dimebag:
<password>
Sorry, try again.
[sudo] password for dimebag:
[Code].....
I tried every solution I saw and nothing works. I've been having a heck of a time trying to install things.
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Nov 29, 2010
I recently did a clean install of Maverick Meerkat and copied a few configuration files from my old system. I can log on normally, and the system works just fine. However, when I lock the workstation with any method, the system will not accept my password. I'm certain that I'm typing it correctly (I tried over 20 times) and that the capslock is not on. When I reboot, I can log in again just fine. In other words, my password only works at initial login, not when unlocking the workstation.
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Dec 20, 2010
I have an Ubuntu 10.10 box authenticating Users against an LDAP server. User authentication works fine - ssh, console or Gnome.
The only place it has an issue is when the gnome-screensaver is activated and locks the computer. When I try to enter the correct password at this point I get these error in the logs;
Dec 20 14:42:23 box-ubuntu unix_chkpwd[12240]: password check failed for user (myname)
Dec 20 14:42:23 box-ubuntu gnome-screensaver-dialog: pam_unix(gnome-screensaver:auth): authentication failure; logname= uid=10038 euid=10038 tty=:0.0 r
user= rhost= user=myname
Dec 20 14:42:23 box-ubuntu gnome-screensaver-dialog: pam_ldap(gnome-screensaver:auth): Authentication failure; user=myname
[Code]....
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Apr 3, 2011
After not using Ubuntu for a couple of weeks - suddenly it will no longer accept my username or password- it does not say which one it doesn't like - been using the same ones for 3 years.How can I get in to reset ?It is on a multiboot PC... Ubuntu/WinXP Pro/Win XP home
MTIA
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Feb 12, 2016
I just set up my Debian 8.3.0 Jessie install a couple of days ago. Today I am having a problem carrying out a command in terminal. All I want to do at the moment is make sure my firewall is active. I log in and out of my computer using the password that I set when I originally installed Debian, and I use the same password in the package updater, but today it would not accept that password in terminal. Here is what I am seeing;
rocky@debian:~$ sudo ufw-enable
[sudo] password for rocky:
rocky is not in the sudoers file. This incident will be reported.
rocky@debian:~$ sudo ufw-enable
[sudo] password for rocky:
Sorry, try again.
[sudo] password for rocky:
How do I use terminal? What password am I to use?
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Feb 1, 2010
I installed Asterisks On a VM machine.
The asterisk I downloaded came with Centos 5.3 It runs well on VM console But the problem is when It request for localhost login which accepts input but the password does not accept input at all.
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Mar 16, 2010
I have recently installed CentOS 5.4. I went ahead and enabled encryption for the root partition. everything was fine for the first few days, but today it started refusing my password on boot. The weird thing is after refusing the password several times it accepted it once, then when I rebooted to test refused the password it had accepted moments earlier. I guessed the password file got corrupt or something so I did a clean install. During the install it asked for the password to access the partition and accepted (!) the password. I went ahead and deleted the old partition and reinstalled from scratch just to be sure. And I made extra certain I put in the correct password with no fumble fingers. Sure enough the blasted thing refuses the password I just created during boot. However, if I input the password into the setup it accepts it. What the hell is going on here?
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Apr 7, 2010
I'm using 9.10 most recent updates. I want to connect to a wireless network and get a dialog box offering "WPA & WPA2 personal" as the only choice. The passphrase I was given is 6 letters but the "Connect" button does not light up until I get to 8 when entering wpa/wpa2.
Do I need to convert the passphrase somehow?
Atheros 9k and Linksys "Wirelss G router with SRX200".
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Oct 10, 2010
I had 9.04 64-bit with / and /home in separate partitions. Today I used 10.10 alternate install to install a command line system. Then installed gnome-core, synaptic, gparted, and a few other things. Now when I go to System > Administration > Synaptic Package Manager or to Gparted, I am asked for the "administrator password". I type in my password, but it is not accepted. However, from a terminal I can "sudo synaptic", give my password, and install whatever I want.
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Nov 24, 2010
It's a pretty weird issue I'm having, when I need to provide access for a command in terminal IE: something using sudo, it just doesn't accept text. I thought it might be my keyboard at first (g15) but I tried copying and pasting the password into there and it just wouldn't do anything except for remain blank
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Jun 20, 2010
I have just completed a debian netinstall, but am stuck at the "Welcome" screen. Though I took careful notes during the install re the "user account" (did not use my name as my purpose is to get the pc running and give it away) and "user password," it will not accept them. I would like to change or edit both (debian isn't telling me which is incorrect). How can this be done?
Also, this is looking for the "user account" - not the root info, right?
If I am forced to reinstall the OS, will I have to go through the entire process (partitions and all)?
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Nov 14, 2010
My 1st time using Terminal with sudo it would not accept my password.I use it successfully to log in and is the only password i used during installation.is there a way to get terminal yo accept my password-it does recognize my user name.
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Oct 24, 2010
Just installed SUSE11.3 and everything was ok until did initial online update. Following update, YAST will not accept root password when launched from KDE (have not tried other window managers). Dialog box is presented to enter root password. It reports back "invalid root password". But I can run yast or yast2 from command line (as root) and that seems to come up, but not all items seem to work.
I can log in as root with no problem. Only YAST will not accept my password. I'm running KDE on a Dell D610. Ran SUSE 11.0 for several years, absolutely no problem.
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Jan 3, 2011
I'm running 64-bit 11.3 on a Dell 1535 laptop.At lunch today, the system booted-up as normal, then shut-down as normal. A handful of updates were installedduring that time.This evening, however, I arrive at the password splash screen, enter my password, and then the system churns a few seconds before resetting the splash screen. No error message, no "wrong password," just a normal splash screen. I tried going into Xen, the default 11.3 and failsafe -- same thing happened with each. When I navigated to the command line, my password worked fine, both for user and super-user.
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Feb 2, 2010
Strange thing happend two days ago. I just wanted to reboot my computer and now I'm no longer able to boot o0. My system is runnig with a full encryption with luks/cryptsetup. I'm using a passphrase to unlock my first partition and it will unlock the others by itself. So far so good. But now it doesnt work anymore... I'm not sure what I did before, but what I know, I didn't change anything! about cryptsetup. I did only a little "update" with the recommended packages from the repositories (guess only 4-5 updated)
I already checked with live cd and same thing there. Not able to unlock any device (what seems strange to me, cause there are 4 of them and all corrupted at the same time...?)
I always get the error message: unlock failed, bad password or options? (on boot) Command failed: No key available with this passphrase (live cd)
First thing I did was checking wheter all modules are loaded:
Code:
ubuntu@ubuntu:~$ lsmod
Module Size Used by
sha256_generic 11580 0
[Code].....
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Mar 7, 2010
I think this started just lately.gksu refuses to authenticate me; it just tells me my password is incorrect.sudo and gksudo both work fine. This is no problem if what I want is in the menu, because I can just change gksu to gksudo, but some functions, like the Check button in Update Manager,
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Jun 8, 2010
I have an old PC (130mb RAM, 6gb hard drive).
I installed a command-line version of Ubuntu 10.04 using the Alternate CD. The machine was wiped, and I used most of the default settings.
I used a thirteen character user id which consisted of mixed case letters and numbers, and an eighteen character password that contains mixed case letters and numbers and a # sign.
When I rebooted, the command-line login would not accept my password. I assumed I had somehow made a mistake, and just wiped the machine again and reinstalled. This time I was very careful with the user name/pw.
Again, the command-line login did not accept my password!
On a hunch, I took an old Ubuntu 7.10 Alternate CD and erased the machine again. I installed a command-line version of Ubuntu. AGAIN --- it will not accept my password even though I'm 100% sure it is correct.
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Feb 18, 2010
The login screen does not accept the password for users. Only the password for Root. The problem is not in the command line, but check the password in the screen. I have tried to change the password from the root and it is still the problem. What I can do?
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Jul 6, 2010
I am trying to be a super user in terminal but I can't. I am sure that I type the correct password, I check also the caps lock button and the language. Also I can't go to the yast. note that the root password is exactly the same as user password
Code:
nobani@linux-m9c6:~> su
Password:
Permissions on the password database may be too restrictive.
su: incorrect password
nobani@linux-m9c6:~>
I am using KDE 4.3.5 on openSUSE11.2
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May 20, 2010
It seems xdg-su is unable to accept my admin/root password whenever I try to install a new AIR application or make an upgrade.Upon every attempt to add my admin/root password I get an error: "su: Authentication failure". In the end: "Error# 5100"!I have recently upgraded to Lucid, but the problem has arisen back in Karmic.
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Oct 7, 2010
My wifes computor crashed during an update with a message to fill in a report. It would not respond to any key presses. The computor has been running 11.3 since it was realeased without problems other than jerky video. The computor will not boot it asks for the password but does not accept it, Although I can see the Home folder it does not mount. I have tried testdisk but although it sees the partions it cannot acess them.
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Dec 12, 2010
I am using a ubuntu 10.10 desktop,i cannot login to my system it doesnt accept the password. when i login in safe mode i get through but when i run any command i get segmentation fault.
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