Ubuntu 18.04 as LDAP Authentification Client -- What am I missing?

[Robert Heller]

OK, I followed the instructions here:

https://computingforgeeks.com/how-to-configure-ubuntu-18-04-ubuntu-16-04-lts-as-ldap-client/

But things are not working:

Script started on Wed 06 Mar 2019 04:38:06 PM EST
newserver.wendellfreelibrary.org% slogin ub180464

Welcome to Ubuntu 18.04.2 LTS (GNU/Linux 4.15.0-46-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage


 * Canonical Livepatch is available for installation.
   - Reduce system reboots and improve kernel security. Activate at:
     https://ubuntu.com/livepatch

0 packages can be updated.
0 updates are security updates.

Last login: Wed Mar  6 16:35:25 2019 from 192.168.1.251

heller at ub180464:~$ ldapsearch -v -x '(uid=wendelladmin)'
ldap_initialize( <DEFAULT> )
filter: (uid=wendelladmin)
requesting: All userApplication attributes
# extended LDIF
#
# LDAPv3
# base <dc=wendellfreelibrary,dc=org> (default) with scope subtree
# filter: (uid=wendelladmin)
# requesting: ALL
#

# wendelladmin, People, wendellfreelibrary.org
dn: uid=wendelladmin,ou=People,dc=wendellfreelibrary,dc=org
uid: wendelladmin
cn: wendelladmin
objectClass: account
objectClass: posixAccount
objectClass: top
objectClass: shadowAccount
shadowLastChange: 13664
shadowMax: 99999
shadowWarning: 7
loginShell: /bin/bash
uidNumber: 1001
gidNumber: 50
homeDirectory: /home/wendelladmin
gecos: wendelladmin,,,,

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1
heller at ub180464:~$ sudo su -l wendelladmin
[sudo] password for heller: 
No passwd entry for user 'wendelladmin'
heller at ub180464:~$ logout
Connection to ub180464 closed.

newserver.wendellfreelibrary.org% exit

Script done on Wed 06 Mar 2019 04:39:50 PM EST

But it works just fine for Ubuntu 14.04:

Script started on Wed 06 Mar 2019 04:40:20 PM EST
newserver.wendellfreelibrary.org% slogin ub140464

Welcome to Ubuntu 14.04.5 LTS (GNU/Linux 3.13.0-165-generic x86_64)

 * Documentation:  https://help.ubuntu.com/

6 packages can be updated.
5 updates are security updates.

New release '16.04.6 LTS' available.
Run 'do-release-upgrade' to upgrade to it.

No mail.
Last login: Wed Mar  6 16:14:09 2019 from newserver.wendellfreelibrary.org

ub140464.wendellfreelibrary.org% ldapsearch -x '(uid=wendelladmin)'

# extended LDIF
#
# LDAPv3
# base <dc=wendellfreelibrary,dc=org> (default) with scope subtree
# filter: (uid=wendelladmin)
# requesting: ALL
#

# wendelladmin, People, wendellfreelibrary.org
dn: uid=wendelladmin,ou=People,dc=wendellfreelibrary,dc=org
uid: wendelladmin
cn: wendelladmin
objectClass: account
objectClass: posixAccount
objectClass: top
objectClass: shadowAccount
shadowLastChange: 13664
shadowMax: 99999
shadowWarning: 7
loginShell: /bin/bash
uidNumber: 1001
gidNumber: 50
homeDirectory: /home/wendelladmin
gecos: wendelladmin,,,,

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1
ub140464.wendellfreelibrary.org% sudo su -l wendelladmin

[sudo] password for heller: 
]0;wendelladmin at ub140464.wendellfreelibrary.org: /home/wendelladminwendelladmin at ub140464:~$ logout
ub140464.wendellfreelibrary.org% ^Dlogout
Connection to ub140464 closed.

newserver.wendellfreelibrary.org% exit

Script done on Wed 06 Mar 2019 04:41:06 PM EST


-- 
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