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FreeIPA サーバーの設定
2016/06/23
 
各サーバー間でユーザーのアカウント情報を共有できるように FreeIPA サーバーを構築します。
[1] FreeIPA をインストールします。
[root@dlp ~]#
dnf -y install freeipa-server freeipa-server-dns bind bind-dyndb-ldap
[2] FreeIPA をセットアップします。
[root@dlp ~]#
ipa-server-install

The log file for this installation can be found in /var/log/ipaserver-install.log
==============================================================================
This program will set up the FreeIPA Server.

This includes:
  * Configure a stand-alone CA (dogtag) for certificate management
  * Configure the Network Time Daemon (ntpd)
  * Create and configure an instance of Directory Server
  * Create and configure a Kerberos Key Distribution Center (KDC)
  * Configure Apache (httpd)

To accept the default shown in brackets, press the Enter key.

WARNING: conflicting time&date synchronization service 'chronyd' will be disabled
in favor of ntpd

# 内蔵 DNS を設定するかどうかを回答 (当例では no で進む)
Do you want to configure integrated DNS (BIND)? [no]:

Enter the fully qualified domain name of the computer
on which you're setting up server software. Using the form
<hostname>.<domainname>
Example: master.example.com.

# ホスト名を確認して Enter
Server host name [dlp.srv.world]:

The domain name has been determined based on the host name.

# ドメイン名を確認して Enter
Please confirm the domain name [srv.world]:

The kerberos protocol requires a Realm name to be defined.
This is typically the domain name converted to uppercase.

# realm 名を確認、または変更して Enter
Please provide a realm name [SRV.WORLD]:
Certain directory server operations require an administrative user.
This user is referred to as the Directory Manager and has full access
to the Directory for system management tasks and will be added to the
instance of directory server created for IPA.
The password must be at least 8 characters long.

# Directory Manager のパスワード設定
Directory Manager password:
Password (confirm):

The IPA server requires an administrative user, named 'admin'.
This user is a regular system account used for IPA server administration.

# IPA admin のパスワード設定
IPA admin password:
Password (confirm):


The IPA Master Server will be configured with:
Hostname:      dlp.srv.world
IP address:    10.0.0.30
Domain name:   srv.world
Realm name:    SRV.WORLD

# 設定を確認して yes で進む
Continue to configure the system with these values? [no]: yes

The following operations may take some minutes to complete.
Please wait until the prompt is returned.

Configuring NTP daemon (ntpd)
...
...
...
==============================================================================
Setup complete

Next steps:
        1. You must make sure these network ports are open:
                TCP Ports:
                  * 80, 443: HTTP/HTTPS
                  * 389, 636: LDAP/LDAPS
                  * 88, 464: kerberos
                UDP Ports:
                  * 88, 464: kerberos
                  * 123: ntp

        2. You can now obtain a kerberos ticket using the command: 'kinit admin'
           This ticket will allow you to use the IPA tools (e.g., ipa user-add)
           and the web user interface.

Be sure to back up the CA certificate stored in /root/cacert.p12
This file is required to create replicas. The password for this
file is the Directory Manager password
[3] Kerberos チケットを取得し、デフォルトシェルを bash に変更しておきます。
[root@dlp ~]#
kinit admin

Password for admin@SRV.WORLD:    
# IPA admin パスワード

[root@dlp ~]#
klist

Ticket cache: KEYRING:persistent:0:0
Default principal: admin@SRV.WORLD

Valid starting       Expires              Service principal
06/24/2016 15:25:35  06/25/2016 15:25:32  krbtgt/SRV.WORLD@SRV.WORLD

[root@dlp ~]#
ipa config-mod --defaultshell=/bin/bash

  Maximum username length: 32
  Home directory base: /home
  Default shell: /bin/bash
  Default users group: ipausers
  Default e-mail domain: srv.world
  Search time limit: 2
  Search size limit: 100
  User search fields: uid,givenname,sn,telephonenumber,ou,title
  Group search fields: cn,description
  Enable migration mode: FALSE
  Certificate Subject base: O=SRV.WORLD
  Password Expiration Notification (days): 4
  Password plugin features: AllowNThash
  SELinux user map order: guest_u:s0$xguest_u:s0$user_u:s0$staff_u:s0-s0:c0.c1023$unconfined_u:s0-s0:c0.c1023
  Default SELinux user: unconfined_u:s0-s0:c0.c1023
  Default PAC types: nfs:NONE, MS-PAC
[4] Firewalld を有効にしている場合は FreeIPA サービスの許可が必要です。
[root@dlp ~]#
firewall-cmd --add-service={freeipa-ldap,freeipa-ldaps} --permanent

success
[root@dlp ~]#
firewall-cmd --reload

success
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