Fedora :: Kerberos Authentication Fails At Boot?
Sep 9, 2010
I recently upgraded my video card from a GeForce4 MX 440 AGP 8X to a GeForce FX 5500 AGP 8X. After that my 1360x768 monitor was stuck on a 1024x768 resolution. I ran system-config-display and under Hardware tab I changed the monitor setting from "Generic LCD Screen" to "1360x768 LCD Screen" with the acknowledgment that /etc/X11/xorg.conf file was been modified. After reboot the boot process stuck on:tarting kojid: Kerberos authentication failed. "Resource temporary unavailable" (11) [FAILED]I tried that with both 2.6.34.6-54 and 2.6.34.6-47 kernels available on my system.I use the latest KDE version available for Fedora.
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Jun 15, 2011
I am looking for some links to configure kerberos authentication for ssh.I did tried google-ing it, but could not found any good link to go ahead with it.
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Jun 16, 2011
Pretty much as described in the thread title. I'm running RHEL6 on both the server and the client.I followed Red Hat's own instructions to set the kdc upI have a user called krb, that has been added to the KDC and I can get a ticket from the KDC, by using
Code:
kinit -p krb
If I then try to log in to the KDC, from the KDC, with
[code]...
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Oct 14, 2010
I have a samba server for company file shares but we do not use domain services or active directory service. Each workstation is its own standalone system. (And we want to keep it this way.) I would like to have some centralized authentication though, and it looks like Kerberos will provide that. After a lot of searching though, I can't find any instructions for setting up samba to authenticate users using kerberos without an ADS (active directory service) or domain. Is this possible?
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Apr 15, 2009
I've configured kerberos authentication on my centos 5.2 box. When I kinit with a username in AD and not on the centos box, I get a TGT. However, I cannot log into the centos box as any of the AD users. This is probably a stupid question but do I also need to create the account's on the centos box that I have in AD? If so, does that mean i can then use pam to authenticate users on my cyrus imap process running on the centos box?
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Feb 25, 2011
I have the following version of centos,kerbose and samba (Samba version 3.0.33-3.29.el5_5.1, krb5-libs-1.6.1-36.el5_5.5 , krb5-workstation-1.6.1-36.el5_5.5 , centos-release-5-5.el5.centos) i have configured it and qhw i givit give me the following error Failed to set password for machine account NT_STATUS_ACCESS_DENIED) Failed to join domain: Access denied
[Code]...
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Apr 14, 2010
So I was trying to configure my CUPS server and checked the box marked "Use Kerberos Authentication." Now, I cannot change anything and get an unauthorized error every time I try. How can I remove Kerberos? I have access to the local computer as root and can use sudo.
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Jun 3, 2010
I have installed keberos on my suse machine, but after installation now I am not able to login in it even with the root password. I search over the internet but could not find the solution. What to do now and how to configure Kerberos on a local machine with only local users authentication. I mean client and server both are on the same machine.
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Jun 8, 2011
I have set up my KDC and telnet in the same server.
I am trying to telnet from a local PC . This is the output I am getting ..
[sudip@kdcclient root]$ telnet -a -F -x kdc
Trying 192.168.1.3...
Connected to kdc.example.local (192.168.1.3).
Escape character is '^]'.
[Code]....
So why it is asking for password ? What I am missing here ?
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May 18, 2010
I had a working client installation with CentOS 5.4, using kerberos and PAM to authenticate. After an upgrade to 5.5, logins for users are no longer possible. Instead I get this:
/var/log/messages: gdm: Couldn't set acct. mgmt for <user> /var/log/secure: gdm: pam_krb5: authentication fails for '<user>': (<user@domain>): Authentication failure (Cannot read password) gdm: pam_krb5: account checks fail for '<user>': unknown reason -1765328254 (Cannot read password) gdm: pam:krb5: User not known to the underlying authentication module (Client not found in Kerberos database) "kinit <user>" still works as expected, and <user> has no problems logging in from other types of clients. Something kerberos-related apparently broke in CentOS 5.5,
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Aug 26, 2015
I upgraded yesterday from Wheezy to Jessie and I don't have any wifi connexion now. The wifi card is working because I see neighbours networks around but WAP authentication fails. I did not change any authentication datas of course.
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Aug 3, 2011
The first time PackageKit Update Applet ran, it asked me for the root passwordI accidentally pressed enter after making a typo, and ever since then Update Appletfails rror:Authorization failedYou have failed to provide correct authentication.Please check any passwords or account settings.Failed to obtain authentication. It never lets me input a new password. Two questions:1) Am I doing something wrong, or is this actually a bug? The possibility has been mentioned in other posts on the topic.2) Where does PackageKit store its files? I'll either change the password myself or delete the file where it's written, hopefully that will trigger PackageKit to ask again.
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Mar 29, 2010
My first post here. I've been using Ubuntu to run our internal mail server for a while now on Ubuntu server 9.04 and ISPconfig 2. I've read a lot of threads on poeple that have difficulty connecting to their server using SSH from outside the LAN and it is not the same problem I have. Well, not entirely the same.
My problem is that my authentication fails from outside the LAn, but I can connect to the SSH port from outside my LAN. The other threads pointed towards checking the router port forwarding etc, but I can see my SSH log in asking for my username and password. So, at this stage I know the port forwarding worked, otherwise I wouldn't even see the log in prompt.
Has anyone see this before where you can connect, but the authentication fails? I can use the correct username and password from inside the LAN, but using the same credentials from outside fails.
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Sep 16, 2010
One I cant figure out is a problem of authentication. I'm using open ldap server and try to authenticate a groupware (simple groupware) against it. As it fails, I tested with a ldap client to understand things better. Using GQ ldap client, I 'm able to browse my ldap tree successfully and to search some args from the base DN i specified. but when entering the exact uid as a search string iI got no answer whereas searching the cn returns the correct entry (and display its related entry including the uid I can't find ..) Here is the only thing I can trace in logs (syslog) when trying to seach firstname.lastname (= uid)
[Code]....
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Feb 6, 2010
I'm trying to connect to my Xubuntu box (zelda) remotely using my RSA key. I'm using Cygwin on my Windows box (link) to SSH in to the Xubuntu box. I've created the key and placed it in the authorized_keys file on my remote box. Here's where it gets weird. When I ssh into zelda the first time, it prompts me for my password. However, if I'm already connected to zelda and try to open another connection, it prompts me for my RSA passphrase. This is very confusing, and I have no idea what's going on.Here's my sshd_config file on zelda.
Code:
# Package generated configuration file
# See the sshd(8) manpage for details
[code]...
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Jun 13, 2010
I recently tried installing a new version of VirtualBox PUEL version, after uninstalling an earlier version. But the major issue I have now is that I can no longer modify my User Settings. Clicking on the "Autnenticate" icon gets me a failure notice: "System policy prevents modifying the system configuration", with details reading "Action: org.freedesktop.systemtoolsbackends.set". Hovering over this link says to click on the link to edit the file, but nothing happens. Searching the file system tells me this file does not exist. Prior to this episode with VirtualBox, I had no trouble modifying Users and Groups. I was able to remove a group from the command line, but the cannot get the GUI authorization to work. I have searched the forums and bugs for similar problems, and, although there appear to be a number of similar issues, no where can I find any clear information on how this system is supposed to work, or what I need to do to correct the problem.
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Sep 2, 2011
I am able to see my samba shares on a windows xp machine, but the username/password combination fails.I setup samba with YaST.firewall is disabled.
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Mar 4, 2010
I am trying o configure phpLDAPadmin on OEL 5 with apache 2.2.14 ,php 5.13 and phpLDAPadmin 1.2.0.4
apache directory = /apache
php directory = /apache/php/
phpLDAPadmin directory = /var/www/phpLDAPadmin 1.2.0.4
I am following the way given in the website : [URL]... but after configuring when i am trying to connect to the site [URL]... Authentication Fails and I am not able to log in with my LDAP user "Manager" I am using openldap version 2.4.21
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Jul 21, 2010
I installed freenx-0.7.3-i486-1alien.tgz on the server (with Slack 12.1), all according to instructions. I installed the no machine nxclient 3.4.0-7 on the client (with Slack 12.2). I ran setup and configured. I used the default no-machine keys, not custom ones. Since authentication failed at the beginning, I enabled DBauthentication, and added my user and password, which seemed to allow authentication to occur.
Here is my node.conf:
# node.conf
#
# This file is provided by FreeNX. It should be placed either into
# /etc/nxserver/node.conf (FreeNX style) or /usr/NX/etc/node.conf
# (NoMachine NX style).....
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Jul 1, 2010
I just upgraded my Ubuntu 8.04 server to 10.04 and now I cannot receive mail on my Ubuntu 10.04 Evolution client, although I can send mail. No errors appear in auth.log or mail.log when I attempt to log in from my Evolution client, in fact mail.log shows 'pop3d-ssl: connection' from my laptop IP, followed by 'pop3d: Disconnected' when the log-in attempts fail.
I'm able to ssh into the server using the same log-on and password as before the upgrade, however I haven't changed the public or private keys in my .ssh directory. I updated the ssl keys in /etc/postfix/ssl but wasn't able to receive mail before or after the update.
The error in the client reads: 'Unable to connect to POP server mail.mydomain.com, error sending username'
I ran this test and the output appears to be related:
Is the pop3 server not running TLS? /etc/postfix/main.cf says it should, and I get no errors restarting / reloading postfix.
I am receiving messages in /home/user/Maildir, but I cannot download them.
I checked for supported authentication types in my Evolution client - 'Password' is the only one supported, as was true before. The client is not using any certificates.
The output of openssl s_client -tls1 -connect 127.0.0.1:995 shows 'certificate has expired' on the 'Verify return code' entry, not sure if that's significant.
What's different about incoming versus outgoing mail authentication?
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Jan 14, 2011
At home in Guangzhou, I have no problem connecting to a WPA-secured wireless router.Now I'm on vacation in another city trying to use a dLink DI-624 router. If I connect immediately after reboot, no problem. If I suspend the session and then wake the machine up again, it will try to connect and then tell me WPA authentication failed.This happens both with network manager and wicd.sysinfo says the network controller is an Atheros AR9285 (ethernet is Realtek RTL8101E/8102E, probably not relevant).Since everything works correctly with routers other than the dLink, I'd have to guess it's not a general wireless configuration problem, nor a wireless card malfunction. Maybe some bad handshaking that manifests only after waking from sleep?More out of curiosity -- I'll only be here for a few weeks and a wired connection is readily available. But, say I end up in a hotel somewhere that uses dLink for WiFi
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May 26, 2011
I am attempting to set up an automatic transfer via sftp using public key authentication. I have created a public/private key pair to connect to the remote server without using a password. I have also been able to use this key pair to login from the command line: sftp -vvv -oPort=<server-side port> user@server.Debug info from interactive command:
Code:
debug3: authmethod_is_enabled publickey
debug1: Next authentication method: publickey
[code]...
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Sep 16, 2010
I'm running eeebuntu on a Toshiba Satellite R10, I installed the Netbook Remix Package which was apparently a horrible idea. I cant click properly. I tried to open synaptic package manager to uninstall it but it tells me my password is wrong, which i know it is not. Is there anyway to fix this, i can open terminal.
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Jul 11, 2011
on my Fedora box, updates have caused some major issues. Since kernel 2.6.30, the boot sequence goes through my BIOS boot, then to Grub, and then just flashes colours repeatedly. Red, green, white, black, blue, over and over again. This happens for 2.6.32 also. I have to boot into 2.6.27 in order for it to work properly.
I'm using a Dell XPS M1730 with (I believe) an NVidiao 9800M GTX graphics card. I'm using the "Gallium 0.4 on NV84" graphics adapter.
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Nov 14, 2009
I am running Fedora 11 on a Gigabyte GA-MA790X-DS4 MB, AMD x2, and three WD5000AAKS 500Gb drives. Today, I had to reboot, and the PC stops on a normal reboot with merely the word GRUB on a line on its own.
It takes a long time to perform the "Detecting IDE drives" process which may be some help in diagnosis.
When I tried to boot in with the installation disk to do a rescue, it got as far as complaining with the following messages before freezing completely:-
ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata1: link online but device misclassified, retrying
ata1: reset failed (errno=-11) retrying in 5 secs
then it displays
ata1: limiting SATA link speed to 1.5Gbps
after which it freezes
diagnosis of what is wrong will be gratefully received. I am beginning to think that I will need to replace the MB.
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Aug 3, 2010
I just took a job and the admin password for the AFS is missing. How do I find/reset this password? I have the root password for the machine it is installed on.
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Oct 1, 2009
As the post title says I have attempted to move my FC11 from a 120 gig ide drive to a 250 gig sata drive. I have tried all of the following with the same result listed below: Basic setup is as folows:
old hdd /dev/sda1 (boot) /dev/sda2(swap) /dev/sda3 (/)
attempt 1- boot fc11 live cd with old drive detected as sda and nwe drive detected as sdb.
dd if=/dev/sda of=/dev/sdb bs=512
attempt 2 - boot into fc11 live cd fdisk remove old partitionon /dev/sdb and create exact copy of partition table on /dev/sda on /dev/sdb - mark /sdb1 as bootable and copy /dev/sda1 + /dev/sda3 to /dev/sdb1 and /dev/sdb3
dd if=/dev/sda* of=/dev/sdb* bs=512 (* denotes 1 or 3 respectively)
attempt 3 boot linux rescue cd based on debian
run gparted to remove old partitions on /dev/sdb
use gparted to copy partitions from /dev/sda to /dev/sdb
All of the above result in the following (as best as I can describe it)
system self checks OK
system loads GRUB menu -OK
system appears to load kernel and then hangs after outputting device information regarding my USB keyboard and mouse.
Is there some magic that I am missing? system.map perhaps? Additonal info: grub.conf looks like:
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
[code]....
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Nov 9, 2009
The boot process fails using; 2.6.30.9-96.fc11.x86_64. I am able to successfully boot by selecting 2.6.30.5-43.fc11.x86_64 from GRUB. The last few messages I receive when booting using 2.6.30.9-96.fc11.x86_64;
ADDRCONF (NETDEV_UP): eth0: link is not ready
Sky2 eth0 link is up at 100 mps, full duplex flow control rx
ADDRCONF (NETDEV_CHANGE):eth0: link becomes ready
audit (1257757711.701:20095): auid=4294967295 ses=4294967295 subj=system_u:system_r:readahead_t:s0 op=remove role key=null list=2 res=0
audit (1257757711.701:20096): audit_enabled=0 old=1 auid=4294967295 ses=4294967295 subj=system_u:system_r:readahead_t:s0 res=1
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Dec 10, 2009
My computer refuses to boot. When I try to boot from my hard drive, it's just stuck at that annoying little thing in the upper left corner, blinking, driving me crazy
When I try to boot from a live media it just gets stuck at "ACPI: Core revision 20070126"
I've tried various CD's and it's just telling me the same thing. I can't figure out what is wrong.
Lately my i've experience that for some reason my computer would just turn off, and sometimes reboot.
I've read a little about ACPI, and it's a shortening for Advanced Configuration and Power Interface.
When entering my BIOS and going to the "Power"-tab i have the possibillity of enabling ACPI 2.0 support. Don't know if this is a good idea though, and i won't risk destroying my computer
Hardware configuration:
Processor: Intel Pentium 4 3.2Ghz
Motherboard: Some old ASUS
Memory: 2GB
Video Card: Ati Radeon 9600 128MB
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Jan 7, 2010
I just did a software update moments ago of things that were in the auto update thingthere were around 20 of them and some were for abrt and some kerneloops thing...But now i can't boot up...I get the following error...
Code:
[drm:drm_mode_rmfb] *ERROR* tried to remove a fb that we didn't own
Boot has failed, sleeping forever.
[code]....
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