Ubuntu 18.04
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FreeIPA : Configure FreeIPA Client
2018/11/27
 
Configure FreeIPA Client to connect to FreeIPA Server.
[1] Add DNS entry for FreeIPA client on FreeIPA server first.
(if not using FreeIPA integrated DNS, no need to add)
# ipa dnsrecord-add [domai name] [recorde name] [record type] [record]

root@dlp:~#
ipa dnsrecord-add ipa.srv.world node01 --a-rec 10.0.0.51

  Record name: node01
  A record: 10.0.0.51
[2]
[3] Install Client tools on FreeIPA Client.
root@node01:~#
apt -y install freeipa-client oddjob-mkhomedir
[4] Setup as a FreeIPA Client.
root@node01:~#
vi /etc/netplan/01-netcfg.yaml
      nameservers:
        # change DNS setting to refer FreeIPA server
        addresses: [10.0.0.30]

root@node01:~#
netplan apply
# setup Client with specifying FreeIPA server and Domain name

root@node01:~#
ipa-client-install --server=dlp.ipa.srv.world --domain ipa.srv.world

Autodiscovery of servers for failover cannot work with this configuration.
If you proceed with the installation, services will be configured to always access the discovered server for all operations and will not fail over to other servers in case of failure.
Proceed with fixed values and no DNS discovery? [no]: yes
Client hostname: node01.ipa.srv.world
Realm: IPA.SRV.WORLD
DNS Domain: ipa.srv.world
IPA Server: dlp.ipa.srv.world
BaseDN: dc=ipa,dc=srv,dc=world

# confirm settings and proceed with [yes]
Continue to configure the system with these values? [no]: yes
Synchronizing time with KDC...
# answer with admin
User authorized to enroll computers: admin
# admin password
Password for admin@IPA.SRV.WORLD:
Successfully retrieved CA cert
    Subject:     CN=Certificate Authority,O=IPA.SRV.WORLD
    Issuer:      CN=Certificate Authority,O=IPA.SRV.WORLD
    Valid From:  2018-11-26 04:58:38
    Valid Until: 2038-11-26 04:58:38

Enrolled in IPA realm IPA.SRV.WORLD
.....
.....
SSSD enabled
Configured /etc/openldap/ldap.conf
Configured /etc/ssh/ssh_config
Configured /etc/ssh/sshd_config
Configuring ipa.srv.world as NIS domain.
Client configuration complete.
The ipa-client-install command was successful

root@www:~#
vi /etc/pam.d/common-session
# add to the end if need (create home dir automatically at initial login)

session optional        pam_oddjob_mkhomedir.so umask=0077

root@node01:~#
systemctl restart sssd oddjobd

root@node01:~#
systemctl enable sssd oddjobd
root@node01:~#
logout
Ubuntu 18.04.1 LTS node01.ipa.srv.world ttyS0

node01 login: redhat    # IPA user
Password:                 # password
Password expired. Change your password now.  # required to change password at initial login
Current Password:         # current password
New password:             # new password
Retype new password:
Welcome to Ubuntu 18.04.1 LTS (GNU/Linux 4.15.0-20-generic x86_64)

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

  System information as of Mon Nov 26 15:12:45 JST 2018

  System load:  0.06              Processes:           103
  Usage of /:   7.3% of 28.45GB   Users logged in:     0
  Memory usage: 3%                IP address for ens3: 10.0.0.51
  Swap usage:   0%


  * MicroK8s is Kubernetes in a snap. Made by devs for devs. One quick
    install on a workstation, VM, or appliance.

   - http://bit.ly/microk8s

14 packages can be updated.
10 updates are security updates.

The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.


The programs included with the Ubuntu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Ubuntu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.

Creating home directory for redhat.
redhat@node01:~$      # just logined
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