Kerberos is a network authentication protocol.

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SSSD password change not working with LDAP backend

Environment info: AD on win 2k8r2 Ubuntu 12.04.5 LTS SSSD v1.8.6 everything is in the same vlan I have an LDAP / SSSD solution in use on our Ubuntu servers. The auth process works correctly -...
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1answer
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Ubuntu : Kerberos With LDAP

I am using ubuntu 12.04. I am installing LDAP with Kerberos authentication. I followed the steps in the ubuntu documentation. https://help.ubuntu.com/12.04/serverguide/kerberos-ldap.html After ...
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1answer
55 views

/etc/hosts configuration error , ping not working

I am newbie to ubuntu plus kerberos , trying to configure kerberos in my vm ubuntu by i am not able to pass the step 2 in configuring hosts .below are the files. i am in the process of learning so ...
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55 views

Share directories with Active Directory users

I need to configure an Ubuntu, to share directories. The allowed users are in an Active Directory in Windows 2003 server. Can I use ntlm for that or only kerberos?
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1answer
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Kerberos and google-authenticator (2-factor auth)

Does anyone know how can I use google-authenticator in combination with kerberos and thus provide to my users 2-factor authentication?
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188 views

kerberos ticket watcher

I just switched from openSuSe to Ubuntu 12.04. At work we use kerberos to auth to different systems. In openSuSe I had a nice little tray app "kerberos ticket watcher" that could renew and initialise ...
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1answer
242 views

Password not accepted at login

I had tried to setup kerberos authentication to log into some ADS thing at my new university, however that didn't work and resulted in me having to enter my password twice for everything. So I did: ...
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466 views

krb5-multidev, libk5crypto3, libk5crypto3:i386 package dependency

Using Ubuntu 12.04 Asus U43F I can no longer update, install or remove packages via software center because of package dependency errors. sudo apt-get install -f reads the following: Reading ...
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Samba Share not accessible with AD user

I try to install a samba server for active directory authentication and shares. I managed to configure kerberos (kinit klist works) I configured smb.conf. wbinfo -u wbinfo -g getent group *showing ...
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Multiple DC's in the krb5.conf realms

I have the following configuration in my /etc/krb5.conf (note this is only part of the config): [libdefaults] ticket_lifetime = 24h default_realm = HQ.LOCAL forwardable = true [realms] ...
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44 views

Connect with an AD user to a ubuntu Machine

I try to log on under a ubuntu machine with an AD user via the GUI lightdm , but access is denied with "invalid password , please try again " My machine has been added in the AD : net ads join -U ...
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winbind and passwd issues

I successfully configured a Ubuntu 15.10 Workstation to authenticate against Active Directory. The only thing left so far is the ability to change the Active Directory password. When I enter the ...
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Kerberos TGT in default session gnome-keyring

I am using a 3rd party kerberos kit to authenticate to my work site. In RHEL/CentOS, my ticket is saved into the default session gnome-keyring; yet I am missing something with Ubuntu. When I kinit, ...
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Hostname / VPN / NFS / Kerberos

At home I'm running Ubuntu Server 14.04.1 with Kerberised NFS Shares. The NFS clients obtain their full FDQN via DHCP. When away from home and trying to access NFS shares via VPN, Kinit fails with: ...
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479 views

I have a problem with domain trust between samba and AD

I configured Samba PDC and AD Domain. Here is my Topology. enter link description here And I saw that Samba PDC loading AD users. With "getent passwd" command and "wbinfo -ug" command. Here is my ...
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Kerberized NFSv4 no write permission

I have some trouble with installing NFSv4 with Kerberos. I can't write on my NFSv4-Share. That's my /etc/exports: /srv/export/ gss/krb5p(rw,fsid=0,no_subtree_check,async,no_root_squash) Thats ...
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0answers
707 views

Where is krb5_util on Ubuntu 14.04?

The crucial krb5_util command (http://web.mit.edu/kerberos/krb5-latest/doc/admin/admin_commands/kdb5_util.html#kdb5-util-8) doesn't seem to be available on Ubuntu 14.04 although it ships with 1.12.x ...
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73 views

NFS4 Kerberos can't cd to user's home directory

I have the following problem. I set up some Servers: one CentOS machine with freeipa, acting as KDC, LDAP, DNS and NTP one Ubuntu machine acting as NFS Fileserver after this i set up a test Client ...
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131 views

Problem with AD user authentication after joining Windows Domain

I've been trying to add my linux machine into the AD of my office in order to work without problems. I started following this guide: SSSD and Active Directory in my ubuntu 16.04 (fresh install) and ...
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How to revoke a kerberos token for OpenAFS on client side?

I authenticate to my OpenAFS with kinit [username] && aklog so that a authentication token is displayed in tokens. How can I revoke this authentication in order to perform tests? sudo ...
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299 views

Samba will not connect to domain via active directory

I am so close to being able to connect to my windows active directory. I want to use the ubuntu server as a simple file server for domain users When I do a kinit I can get a ticket but when I try to ...
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53 views

Samba error when connecting to Active Directory

hoping someone can give me some insight into an error I'm getting. I'm trying to connect a Ubuntu workstation to Active Directory using Kerberos, Samba, and Winbind. When I run the kinit command, it ...
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257 views

kerberos passwd: Authentication token manipulation error

(note - ignore the upgrade 15.10 bit, see "more info", below) I've just upgraded to Ubuntu 15.10 using the Live CD over an existing 14.04 version. Users that were configured before were lost from /...
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31 views

gubuntu 14 screensaver kerberos

It seems gubuntu 14.04.3 default screensaver don't renew the kerberos afs token. I've created the file /etc/pam.d/gnome-screensaver with: @include common-auth auth optional pam_gnome_keyring....
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476 views

npm kerberos install issues

thanks for your time, this is the case, i have some problems when try to install kerberos nodejs package on my ubuntu 14.04 x64. This is the terminal output: khan@khan-Satellite-L645D:~$ npm install ...
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Replicate Microsoft Active Directory to Ubuntu Server

I finally installed MediaWiki on my Ubuntu server. Now I want my users to use the same password as for their windows login. The guide on the MediaWiki page tells that a LDAP server is needed. https://...