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Questions tagged [active-directory]

Questions that relate to Ubuntu using this directory service created by Microsoft. Compatibility questions include LDAP, Kerberos and DNS-based naming and other network information.

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Problem Joining Windows Server

i was trying to connect my ubuntu 18.04 to my company windows server by this tutorial https://bitsofwater.com/2018/05/08/join-ubuntu-18-04-to-active-directory/ all went great until i tried to join ...
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Apache 2.4 how to authenticate a user against two different OUs

Does anyone have any idea how to authenticate a user against two different OUs on the same Active Directory server? I am using Apache 2.4 on Ubuntu 18.04.   Server version: Apache/2.4.18 (...
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1answer
63 views

Kerberos and Ubuntu 18

I am trying to configure a automated join to domain on my Ubuntu workstations. I have everything in place (I at least I believe so as the following command works fine) net ads join -U <username>...
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45 views

Run a Linux LDAP Server as a Slave to Active Directory

I have looked at some of the questions and they come close to what I'm going to ask, but my client's request is a bit more complex. The company I'm working with has an Ubuntu setup using LDAP. ...
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51 views

Ubuntu map CIFS / SMB share using active domain credentials without password file

Is there a way in Ubuntu 18.04 to map an SMB share when the users login without using a password file? The boxes I have are members of a Windows Active Directory domain and the users will use their ...
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95 views

“user NOT in sudoers” when using RealmD, SSSD

Recently began joining our Ubuntu server to the domain for authentication. For the most part I have been successful and believe to have all configs identical on each system. However, ran into two ...
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28 views

Permit sudo for Windows AD group not working well

I want to grant root permissions (sudo) for a specific Windows AD group(s) Here is what I added in the /etc/sudoers file %DockerLinuxUser ALL=(ALL) ALL %LinuxAmins ALL=(ALL) ALL %Admins\ du\ domaine ...
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1answer
140 views

Issue for restricting SSH access from a Windows AD Group (using sssd)

I joined a ubuntu 16.04 server to my Windows AD for SSH authentication. It works fine until I want to restrict access to a specific group with sssd here's the content of my /etc/sssd/sssd.conf [sssd]...
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1answer
133 views

How to add an AD group members to a local group

I already have the AD integration working via sssd where a user logging in is a member of one of two AD groups. They are able to ssh into the server and if it's their first login they're granted ...
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1answer
779 views

Installation candidate for AD join not found

I'm trying to rebuilt a server wich is part in the Active Directory. I'm using Bionic Beaver: administrator@vmssnt1:~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: ...
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194 views

Cannot connect to samba member server as local user a few days after AD join and SSSD

Edit: I tried to simplify the question: ========================================================================= How can I enable a local (linux/samba) user to access a samba share (member server) ...
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308 views

Integrate Ubuntu 18.04 box with one AD domain and user with other AD domain

I will try to explain my problem as simple as I can. I have the following problem: Our organization has two Active Directory forests, in one hand computer.forest.com has the computer objects, in the ...
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392 views

How to give root privilege to Windows Group

I have joined my Ubuntu server to Windows AD environment. Ubuntu server can successfully authenticate with the AD. I want to give Windows "domain admins" group to root privileges. then I edited /etc/...
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50 views

DNS issues after installing Samba4 Active Directory

I installed Samba Active Directory Domain Controller on Ubuntu Server 18.04 running on VirtualBox. I used the procedure from this link When I got to Step 16 and queried the AD Controller, the ...
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38 views

X2go with AD domain users

I have a 16.04.5 server that is joined to a Samba-based AD domain. Everything works fine so far, people can log in via ssh as domain users. For some graphical applications I thought x2go would be a ...
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1answer
28 views

Get pwd EXPIRE_DATE

I am trying to get EXPIRE_DATE of pwd for an active directory user in ubuntu. I can get information about the user with lslogins user but no information about password expire dates that are set in AD. ...
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2k views

Failed to start Samba NMB Daemon and other errors

I'm trying to set up an Ubuntu active directory domain controller with Samba. I installed Samba, and configured it using samba-tool. During system boot, I get 3 errors: [FAILED] Failed to start ...
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1k views

realmd domain join with kinit in Ubuntu 18.04

I’m trying to set up an Ubuntu 18.04 machine and joining it to an Active Directory domain. Previously (e. g. on Ubuntu 17.10) I could do # kinit -kt /path/to/keytab my_username # realm join ad....
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How can make freeradius works with Active directory for authentication for 802.1X wireless clients?

I dont know why, but with freeradius 3 installed, is joined in the AD 2016, I can view users and groups by samba...but when I try a radtest command, they respond me access-reject. But I see on the ...
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Prevent AD users changing the background in Ubuntu 16.04 with Unity desktop [duplicate]

I run a high school computer science lab with 17 desktops running Ubuntu 16.04 with the standard Unity desktop rather than Gnome. The users log in with Windows Active directory IDs and have standard ...
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1answer
662 views

Join server to active directory without adding login via AD

Everything I've found so far about joining an Ubuntu machine to a Windows Active Directory domain includes allowing logging in to the Ubuntu machine using user accounts from the Active Directory. I've ...
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111 views

groupadd on Ubuntu 16.04 with PBIS Open stuck with 100% CPU

I have Ubuntu 16.04 servers and workstations which are members of an Active Directory domain, using PowerBroker PBIS Open versions 8.5.0.153 and 8.6.0.427. When I try to add a local group using ...
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87 views

What XMPP server suport efficiently users´s search trough Active Directory

I´m searching a XMPP server that suport efficiently users´s search trough Active Directory. With ejabberd I can authenticate the users, however not search. In the logs file a warning: Module ...
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1answer
45 views

Tab and prompt only has $

in our organisation we have ubuntu systems in domain, due to which we are not able to get the username and hostname in the command prompt instead it just shows the "$" sign when i open the command ...
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581 views

How can I configure PAM to do a simple LDAP authentication against an Active Directory server, without having to join the Ubuntu 16.04 VM to a domain?

I'm using Vagrant and some ansible scripts to provision an Ubuntu 16.04 server image on my Windows 10 computer that is joined to a domain. I want to log into the VM using the same credentials as I log ...
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508 views

Ubuntu 16.04 Samba Server on a Windows Domain

I'm trying to use Samba Server to share folders with Windows Domain Groups. first steps of joining my ubuntu 16.04 server to the domain works fine and has installed the following packages apt ...
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202 views

Unable to authenicate using AD users on Ubuntu Server 17.10

Windows 2012 R2 AD Ubuntu 17.10 Completed the setup for Ubuntu Server 17.10, all indications that it successfully join Windows domain. Ubuntu server shows up in AD Computers OU, and wbinfo -u, ...
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35 views

Error while joining Ubuntu to active directory

I am following this turorial. Everything works well and I was able to join AD. But when I issued command kinit administrator@XXXXX.COM, I had this error : kinit: Cannot find KDC realm "XXX.COM" ...
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118 views

setgid to AD group

I have an ?Ubuntu 17.10 server that has been joined to an Azure AD domain using these instructions Whenever a user's home folder is created I would like to set the group ID to that of a specifc AD ...
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344 views

samba 4 as an active directory domain controller

I want to install samba 4 as an active directory domain controller. and I followed the following link 's steps https://ubuntuforums.org/showthread.php?t=2146198 everything was going well but at the ...
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1answer
245 views

Users can't access samba AD shares

We moved up from a 3.x NT-type Samba server and built a new AD server using the SambaWiki, methodically making sure each step and test worked correctly. It's fine in administrator or Domain Admin mode,...
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209 views

Active Directory not fully activating

I cannot seem to get everything working together. Here is my smb.conf: [global] workgroup = xxxx realm = xxxx.NET netbios nmae = xxx xxx server role = active directory domain controller ...
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1answer
183 views

adcli and sssd behavior

I used to observe a ton of these messages on my domain machine. It seems after rebooting or restarting sssd, it would be normal and given time, it would start forking more and more processes and my ...
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1answer
5k views

What are the limitations of the Windows Subsystem for Linux?

I played around with the WSL last year, but at the time it was not capable of running the neural network project that I wanted to try on it. Apparently had something to do with it having an outdated ...
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Can't log in to Ubuntu as domain user “no passwd entry for user” (SSSD, KRB5, Samba)`

I followed this guide to join my Ubuntu 14.04 server to my domain. I have everything working - the server joined AD fine, I can kinit just fine, and dynamic DNS is working great. However, when I log ...
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2answers
1k views

How to get netplan on 17.10 server to work with a Windows Server DHCP server using MAC address reservations?

To do this on recent Fedora and Arch, it is necessary to set dhcp-client-identifier = hardware to get DHCP to work. I suspect the same is true on 17.10. However, Artful uses netplan and systemd-...
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1answer
1k views

Active Directory users unable to change passwords [SSSD]

I've set up an Ubuntu 16.04 system to join a AD domain following the instruction set here. I can login with AD users and everything is working correctly there, however AD users are unable to change ...
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1k views

How to join Ubuntu 17.10 to Active Directory

I read that LikewiseOpen is old but i cant find a guide to join a new Ubuntu17.10 to a Windows Server 2012 Active Directory Its for my educational purpose
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74 views

Cannot change password for local account [duplicate]

I have a non-root, local account where I have been unable to use 'passwd' as user root to change that password. The system is an AWS instance running Ubuntu 14.04 bound to Active Directory using both ...
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841 views

Ubuntu 17.10 - Kerberos/SSSD AD User login only sometimes works

I am new here, so please advise me, if I did miss something about the rules here. We are running a network of computers in a Windows Server 2016 AD domain. In Ubuntu 16.04 we configured Ubuntu to ...
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1answer
2k views

How do you configure a TACACS+ tac_plus server on Ubuntu 16.04 that authenticates against Microsoft Active Directory?

How do you configure a TACACS+ tac_plus server on Ubuntu 16.04 that authenticates against Microsoft Active Directory?
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1answer
2k views

AD login and smbclient login successful, but fails from Windows clients

I am able to login to Ubuntu 16.04 system using AD/LDAP authentication and access everything. However, when I configure samba to connect from windows clients, it fails. smbclient from another Ubuntu ...
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2answers
923 views

16.04 LTS Active Directory Integration with SSSD - authentication no longer working

By following this documentation, I succesfully joined my Ubuntu 16.04 LTS servers to my Active Directory running a pair of Windows 2016 domain controllers. It has been working for about two weeks but ...
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2answers
453 views

Attempting to Ubunutu to Active Directory, sssd.service failed

I'm working on adding Ubuntu to an AD domain. I've followed several guides and keep hitting the same problem: sssd.service failed. So far I have: apt-get'd samba, krb5, ntp, winbind verified that my ...
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1answer
525 views

pam / ad issue with lightdm

im having issues logging in the desktop via AD with my current setup with sssd, kerberos, samba, and AD. heres the output of the auth.log file. it seems that pam and lightdm aren't working well with ...
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1k views

Kadmin: Client not found

I'm attempting to join ubuntu 16.04 LTS to a windows AD. My goal is for this client machine to be able to log in with the Windows AD username and be able to access the Windows shares. I started by ...
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1answer
342 views

error while installing samba 4.6.5 on ubuntu 16.04 samba/bin/asn1_compile: not found

error while installing samba 4.6.5 on Ubuntu 16.04 samba/bin/asn1_compile: not found I'm trying to install samba 4 and after clone using this command: git clone -b v4-6-stable git://git.samba....
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1answer
944 views

How can I add an Ubuntu 16.04 desktop to a Windows active directory which is XXXX.local?

I am trying to add my Ubuntu 16.04 machine to a Windows 2012 R2 active domain. I keep getting the message that it cannot join. I had the same problem trying to do the same thing with an Apple Mac and ...
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0answers
3k views

Login as Windows server Active Directory user into ubuntu through login screen

I've joined my ubuntu 16.04 machine to a windows server 2008 Active Directory using realmd and krb5-user. Now I can su into any user of the AD and login as it through terminal but I want to be able to ...
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1answer
698 views

SSSD list allowed users only

With nscd/nslcd authentication scheme, it was possible to get a list of allowed users issuing this command: getent passwd How can this be achieved with SSSD? There is an option enumeration, but this ...