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0 votes
1 answer
28 views

SmartCard authentication for Dovecot using Microsoft Active Directory as the authentication backend

I have set up successfully an email server with Postfix and Dovecot. I also have succcessfully integrated Dovecot authentication with Microsoft AD. This is, Dovecot queries AD when a user creates or ...
Juan Alejandro's user avatar
2 votes
1 answer
131 views

Fapolicy blocking Ansible on RHEL 9

I work in a STIG environment with Active Directory integration for logins. When I try and run an Ansible script, my RHEL 9 machines return back the following error: "module_stdout": "/...
Will Burnside's user avatar
1 vote
0 answers
1k views

Bursts of errors "Failed to initialize credentials using keytab [MEMORY:/etc/krb5.keytab]: Client (...) not found in Kerberos database."

I have set up some RHEL9 servers to authenticate through the AD for the domain EXAMPLE.XYZ; this is done via Ansible playbooks, and so far all works well. (It's the same setup as this previous ...
dr_'s user avatar
  • 32.4k
0 votes
0 answers
107 views

Samba Winbind in Trusted Forest can't enumerate group membership

Hello, i'am issuing e problem with winbind samba joined computer. the system is unable to verify the group memberships in Forest B. All users from Forest B are only part of the "Domain Users"...
Talo's user avatar
  • 1
0 votes
1 answer
149 views

What is changing /etc/sssd/sssd.conf?

I have an Ansible playbook that writes to /etc/sssd/sssd.conf this Jinja template (variables are defined somewhere else): # This line is just to check that the file is written correctly [sssd] ...
dr_'s user avatar
  • 32.4k
1 vote
2 answers
2k views

Realm Join Linux - can't login with AD user

I have added my Red Hat Linux 9 to the Active Directory with realm. I see the computer in AD now. Then I did realm permit --all In /etc/ssh/sshd_config I added : # Authentication: AllowGroups "...
Roger McCarrick's user avatar
0 votes
1 answer
417 views

Joining domain via Ansible returns error "Already joined to this domain" while via shell is OK

I'm getting a strange message with Ansible. On a RHEL 9 server, I can join our domain via the shell command line realm join example.xyz --user=svc-ansible --computer-ou="OU=Linux Servers, OU=...
dr_'s user avatar
  • 32.4k
1 vote
2 answers
147 views

Add Linux server to AD without entering password

When I run command: realm join -U [email protected] porton.com.il --verbose I am prompted to enter the password for [email protected]. Since I want to run this in a script for a lot of ...
paul's user avatar
  • 13
2 votes
1 answer
720 views

SSSD-AD allowing sshd login without password nor key

When trying to get an Ubuntu 22 joined to our AD domain via SSSD, I have encountered an odd situation where any AD user can login to the system without any password prompt and no ssh-key setup on the ...
Alex's user avatar
  • 85
-2 votes
1 answer
521 views

LDAP: What is the most suitable solution for remote home directories today? [closed]

I have created an LDAP (OpenLDAP and LAM) server with a structure, I solved the remote configuration of using sudo. I configured the client stations (will be exclusively Linux Ubuntu) to use LDAP with ...
Mato's user avatar
  • 609
0 votes
1 answer
118 views

Enabling Java JNDI LDAP connection to Active Directory using SSH through remote SSH tunnelling

Firstly, I would like to validate my idea for the PoC, specifically I would like to understand whether this can be possible or not and furthermore some pointers with regards to how it can be done ...
theimpatientcoder's user avatar
0 votes
1 answer
697 views

How to join the Ubuntu 22.04 Server to the Window Active Directory

I have new server running on the ubuntu and I want to join that server to our existing AD which is resolve as "ad.xyz.edu" and under that AD our department (OU) "med.abc.edu" is ...
Aditya vakharia's user avatar
0 votes
1 answer
941 views

Samba AD not able to login domain user on linux client

I am experimenting with Samba as active directory controller in my home network for the last two weeks. I installed samba on ubuntu server 22.04 following a couple of guides and videos, but this page ...
bas's user avatar
  • 101
0 votes
0 answers
159 views

How to get a Linux VM to pass MSAL SSO authentication?

I have a React app that uses the Microsoft Authentication Library (MSAL) to identify users. It works just fine on my Windows machine; however, for a variety of reasons, I'm trying to get a Linux VM ...
EJoshuaS - Stand with Ukraine's user avatar
0 votes
0 answers
694 views

Ubuntu, failed to join an AD over TLS/SSL with realmd

actualy I tried to establish a connection between a Ubuntu-Host and an Active Directory, with the goal to authentification my Linux-Host over the AD. For this, I use SSSD and Realmd, but not ADSys. We ...
Alphabeit's user avatar

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