FreeIPA : Configure Client2021/08/04

Configure FreeIPA Client.

This example is based on the environment like follows.

+----------------------+          |          +----------------------+
| [  FreeIPA Server  ] |10.0.0.40 | 10.0.0.61| [  FreeIPA Client  ] |
|  dlp.ipa.srv.world   +----------+----------+ node01.ipa.srv.world |
|                      |                     |                      |
+----------------------+                     +----------------------+

[1]	Add DNS entry for FreeIPA Client in integrated DNS on FreeIPA Server. (if not using FreeIPA integrated DNS, skip this step)

# ipa dnsrecord-add [domain name] [record name] [record type] [record]

[root@dlp ~]#

ipa dnsrecord-add ipa.srv.world node01 --a-rec 10.0.0.61

  Record name: node01
  A record: 10.0.0.61

[2]	Setup NTP Client on FreeIPA Client to sync time with FreeIPA Server, refer to here.
[3]	Install FreeIPA Client packages.

[root@node01 ~]#

dnf module -y install idm:DL1/client

[4]	Setup FreeIPA Client.

# set DNS to FreeIPA server host

[root@node01 ~]#

nmcli connection modify enp1s0 ipv4.dns 10.0.0.40

[root@node01 ~]#

nmcli connection down enp1s0; nmcli connection up enp1s0

# setup FreeIPA client

[root@node01 ~]#

ipa-client-install

This program will set up IPA client.
Version 4.9.2

.....
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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
Do you want to configure chrony with NTP server or pool address? [no]:
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 answer [yes]
Continue to configure the system with these values? [no]: yes
Synchronizing time
No SRV records of NTP servers found and no NTP server or pool address was provided.
Using default chrony configuration.
Attempting to sync time with chronyc.
Time synchronization was successful.
# authenticate 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:  2021-08-04 00:57:26
    Valid Until: 2041-08-04 00:57:26

Enrolled in IPA realm IPA.SRV.WORLD
Created /etc/ipa/default.conf
Configured sudoers in /etc/authselect/user-nsswitch.conf
Configured /etc/sssd/sssd.conf
Configured /etc/krb5.conf for IPA realm IPA.SRV.WORLD
Systemwide CA database updated.
Adding SSH public key from /etc/ssh/ssh_host_ed25519_key.pub
Adding SSH public key from /etc/ssh/ssh_host_ecdsa_key.pub
Adding SSH public key from /etc/ssh/ssh_host_rsa_key.pub
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

# set if you need (creare home directory at initial login)

[root@node01 ~]#

authselect enable-feature with-mkhomedir

[root@node01 ~]#

systemctl enable --now oddjobd

[root@node01 ~]#

exit

logout

Rocky Linux 8.4 (Green Obsidian)
Kernel 4.18.0-305.3.1.el8_4.x86_64 on an x86_64

Activate the web console with: systemctl enable --now cockpit.socket

node01 login: rocky       # FreeIPA user
Password:                 # password
Password expired. Change your password now.  # required to change password at initial login
Current Password:         # current password
New password:             # new one
Retype new password:
[rocky@node01 ~]$         # logined

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