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I am building a LTSP environment with LDAP authentication. I have configured the LTSP,LDAP server and client perfectly. I checked with getent passwd command in LTSP/LDAP client. I can see my LDAP users details.

When I booted my LTSP thin client, I am able to login with LDAP user credentials in Alt+Ctrl+F1 mode. But, Not able to login through GUI( lightdm ). See the logs which is from LTSP/LDAP Client.

/var/log/ldm.log:

Apr 15 18:15:53: [ldm] INFO: started on client with IP address: 192.168.12.34
Apr 15 18:15:53: [ldm] INFO: calling rc.d init scripts
Apr 15 18:15:55: [ldm] INFO: authenticating with backend: ssh
Apr 15 18:16:09: [ssh] INFO: calling rc.d pressh scripts
Apr 15 18:16:32: [ssh] CRITICAL: no response, restarting
Apr 15 18:16:34: [ldm] INFO: started on client with IP address: 192.168.12.34
Apr 15 18:16:34: [ldm] INFO: calling rc.d init scripts
Apr 15 18:16:35: [ldm] INFO: authenticating with backend: ssh
Apr 15 18:17:55: [ssh] INFO: calling rc.d pressh scripts
Apr 15 18:18:18: [ssh] CRITICAL: no response, restarting

/var/log/auth.log ( LDAP Server ):

Apr 16 18:41:54 dennis sshd[2727]: Connection closed by 192.168.12.34 [preauth]
Apr 16 18:41:54 dennis sshd[2729]: Connection closed by 192.168.12.34 [preauth]
Apr 16 18:42:09 dennis sshd[2731]: Invalid user myusername from 192.168.12.34
Apr 16 18:42:09 dennis sshd[2731]: input_userauth_request: invalid user myusername [preauth]
Apr 16 18:42:09 dennis sshd[2731]: pam_unix(sshd:auth): check pass; user unknown
Apr 16 18:42:09 dennis sshd[2731]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.168.12.34 
Apr 16 18:42:11 dennis sshd[2731]: Failed password for invalid user myusername from 192.168.12.34 port 38059 ssh2
Apr 16 18:42:11 dennis sshd[2731]: Connection closed by 192.168.12.34 [preauth]

How to solve this?

1 Answer 1

-1

At the client side run the following:

#authconfig-gtk

Now, try setting the Authentication Configuration as LDAP Password(in the Identity and Authentication tab). It worked for me.

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