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Install FreeIPA Server Centos 7

by · March 24, 2019

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Install FreeIPA Server Centos 7 – Artikel kali ini akan membahas cara Install FreeIPA Server Centos 7

Untuk cara Install Centos 7, anda bisa melihat pada artikel sebelumnya disini.

Install Centos 7 64 Bit Minimal Server

Install FreeIPA Server Centos 7

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Hostname: cipa1.cacan.local
IP Address: 192.168.3.51
Domain: cacan.local
 

Setting Hosts & Hostname

Set hosts dan hostname dengan perintah berikut:

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sudo cp /etc/hosts{,._orig}
sudo cp /etc/hosts{,.`date +%Y%m%d-%H%M%S`}
sudo echo "192.168.3.51  cipa1.cacan.local" | sudo tee -a /etc/hosts
sudo hostnamectl set-hostname cipa1.cacan.local
 

Update Repository

Lalu update repository terbaru dengan perintah sebagai berikut:

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sudo yum -y install epel-release
sudo yum -y update
 

Install FreeIPA Server

Setelah itu kita install FreeIPA dengan perintah sebagai berikut:

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sudo yum install -y ipa-server-dns bindipa-server bind-dyndb-ldap
 

Configure FreeIPA Server

Selanjutnya konfigurasi FreeIPA Server dengan perintah berikut:

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sudo ipa-server-install --setup-dns --allow-zone-overlap
 
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The log file for this installation can be found in /var/log/ipaserver-install.log
==============================================================================
This program will set up the IPA 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)
  * Configure the KDC to enable PKINIT
 
To accept the default shown in brackets, press the Enter key.
 
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.
 
 
Server host name [cipa1.cacan.local]:
 
The domain name has been determined based on the host name.
 
Please confirm the domain name [cacan.local]:
 
The kerberos protocol requires a Realm name to be defined.
This is typically the domain name converted to uppercase.
 
Please provide a realm name [CACAN.LOCAL]:
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 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 password:
Password (confirm):
 
Do you want to configure DNS forwarders? [yes]: yes
Enter the IP address of DNS forwarder to use, or press Enter to finish.
Enter IP address for a DNS forwarder: 8.8.8.8
DNS forwarder 8.8.8.8 added
Enter IP address for a DNS forwarder: 8.8.4.4
DNS forwarder 8.8.4.4 added
Enter IP address for a DNS forwarder: <enter>
Do you want to configure the reverse zone? [yes]: yes
Please specify the reverse zone name [3.168.192.in-addr.arpa.]: 3.168.192.in-addr.arpa
Using reverse zone 3.168.192.in-addr.arpa.
 
The IPA Master Server will be configured with:
Hostname:       cipa1.cacan.local
IP address(es): 192.168.3.51
Domain name:    cacan.local
Realm name:     CACAN.LOCAL
 
BIND DNS server will be configured to serve IPA domain with:
Forwarders:       8.8.8.8, 8.8.4.4
Forward policy:   only
Reverse zone(s):  3.168.192.in-addr.arpa.
 
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)
  [1/4]: stopping ntpd
  [2/4]: writing configuration
  [3/4]: configuring ntpd to start on boot
  [4/4]: starting ntpd
Done configuring NTP daemon (ntpd).
Configuring directory server (dirsrv). Estimated time: 30 seconds
  [1/44]: creating directory server instance
  [2/44]: enabling ldapi
  ...
  [44/44]: configuring directory to start on boot
Done configuring directory server (dirsrv).
Configuring Kerberos KDC (krb5kdc)
  [1/10]: adding kerberos container to the directory
  [2/10]: configuring KDC
  ...
  [10/10]: configuring KDC to start on boot
Done configuring Kerberos KDC (krb5kdc).
Configuring kadmin
  [1/2]: starting kadmin
  [2/2]: configuring kadmin to start on boot
Done configuring kadmin.
Configuring ipa-custodia
  [1/5]: Making sure custodia container exists
  [2/5]: Generating ipa-custodia config file
  [3/5]: Generating ipa-custodia keys
  [4/5]: starting ipa-custodia
  [5/5]: configuring ipa-custodia to start on boot
Done configuring ipa-custodia.
Configuring certificate server (pki-tomcatd). Estimated time: 3 minutes
  [1/28]: configuring certificate server instance
  ...
  [27/28]: adding 'ipa' CA entry
  [28/28]: configuring certmonger renewal for lightweight CAs
Done configuring certificate server (pki-tomcatd).
Configuring directory server (dirsrv)
  [1/3]: configuring TLS for DS instance
  [2/3]: adding CA certificate entry
  [3/3]: restarting directory server
Done configuring directory server (dirsrv).
Configuring ipa-otpd
  [1/2]: starting ipa-otpd
  [2/2]: configuring ipa-otpd to start on boot
Done configuring ipa-otpd.
Configuring the web interface (httpd)
  [1/22]: stopping httpd
  [2/22]: setting mod_nss port to 443
  ...
  [20/22]: starting httpd
  [21/22]: configuring httpd to start on boot
  [22/22]: enabling oddjobd
Done configuring the web interface (httpd).
Configuring Kerberos KDC (krb5kdc)
  [1/1]: installing X509 Certificate for PKINIT
Done configuring Kerberos KDC (krb5kdc).
Applying LDAP updates
Upgrading IPA:. Estimated time: 1 minute 30 seconds
  [1/10]: stopping directory server
  [2/10]: saving configuration
  [3/10]: disabling listeners
  [4/10]: enabling DS global lock
  [5/10]: disabling Schema Compat
  [6/10]: starting directory server
  [7/10]: upgrading server
  [8/10]: stopping directory server
  [9/10]: restoring configuration
  [10/10]: starting directory server
Done.
Restarting the KDC
Configuring client side components
Using existing certificate '/etc/ipa/ca.crt'.
Client hostname: cipa1.cacan.local
Realm: CACAN.LOCAL
DNS Domain: cacan.local
IPA Server: cipa1.cacan.local
BaseDN: dc=cacan,dc=local
 
Skipping synchronizing time with NTP server.
New SSSD config will be created
Configured sudoers in /etc/nsswitch.conf
Configured /etc/sssd/sssd.conf
trying https://cipa1.cacan.local/ipa/json
[try 1]: Forwarding 'schema' to json server 'https://cipa1.cacan.local/ipa/json'
trying https://cipa1.cacan.local/ipa/session/json
[try 1]: Forwarding 'ping' to json server 'https://cipa1.cacan.local/ipa/session/json'
[try 1]: Forwarding 'ca_is_enabled' to json server 'https://cipa1.cacan.local/ipa/session/json'
Systemwide CA database updated.
Adding SSH public key from /etc/ssh/ssh_host_rsa_key.pub
Adding SSH public key from /etc/ssh/ssh_host_ecdsa_key.pub
Adding SSH public key from /etc/ssh/ssh_host_ed25519_key.pub
[try 1]: Forwarding 'host_mod' to json server 'https://cipa1.cacan.local/ipa/session/json'
Could not update DNS SSHFP records.
SSSD enabled
Configured /etc/openldap/ldap.conf
Configured /etc/ssh/ssh_config
Configured /etc/ssh/sshd_config
Configuring cacan.local as NIS domain.
Client configuration complete.
The ipa-client-install command was successful
 
==============================================================================
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 certificates stored in /root/cacert.p12
These files are required to create replicas. The password for these
files is the Directory Manager password
 

Untuk melihat log dari proses konfigurasi FreeIPA Server, gunakan perintah berikut:

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sudo tail -f /var/log/ipaserver-install.log
 

Configure Firewall

Selanjutnya kita buatkan firewall untuk port-port yang dibutuhkan oleh FreeIPA Server

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TCP Ports:
  * 80, 443: HTTP/HTTPS
  * 389, 636: LDAP/LDAPS
  * 88, 464: kerberos
UDP Ports:
  * 88, 464: kerberos
  * 123: ntp
 

Untuk membuat firewall, gunakan perintah berikut:

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sudo firewall-cmd --add-service={dns,freeipa-ldap,freeipa-ldaps} –permanent
sudo firewall-cmd --reload
 

Access FreeIPA Web Interface

Selanjutnya akses FreeIPA Web Interface melalui browser kesayangan anda dengan URL https://cipa1.cacan.local/

Install FreeIPA Server Centos 7 - URL FreeIPA Web Interface
Install FreeIPA Server Centos 7 – URL FreeIPA Web Interface
Install FreeIPA Server Centos 7 - Login FreeIPA Web Interface
Install FreeIPA Server Centos 7 – Login FreeIPA Web Interface
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Username: admin
Password: ********
 
Install FreeIPA Server Centos 7 - Dashboard FreeIPA Web Interface
Install FreeIPA Server Centos 7 – Dashboard FreeIPA Web Interface

Kerberos ticket

Setelah instalasi FreeIPA selesai, kita konfigurasi user administrator dengan menggunakan Kerberos dengan perintah berikut:

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​​sudo kinit admin
 
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Password for admin@CACAN.LOCAL:
 

Selanjutnya cek dengan menggunakan perintah berikut:

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sudo klist
 
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Ticket cache: KEYRING:persistent:0:0
Default principal: admin@CACAN.LOCAL
 
Valid starting       Expires              Service principal
05/16/2019 01:25:02  05/17/2019 01:24:58  krbtgt/CACAN.LOCAL@CACAN.LOCAL
 

Management User

Add User

Selanjutnya kita buat user baru dengan perintah berikut:

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sudo ipa user-add rony  --first=Rony --last=Chandra --email=rony@cacan.local  --shell=/bin/bash –password
 
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Password:
Enter Password again to verify:
-----------------
Added user "rony"
-----------------
  User login: rony
  First name: Rony
  Last name: Chandra
  Full name: Rony Chandra
  Display name: Rony Chandra
  Initials: RC
  Home directory: /home/rony
  GECOS: Rony Chandra
  Login shell: /bin/bash
  Principal name: rony@CACAN.LOCAL
  Principal alias: rony@CACAN.LOCAL
  User password expiration: 20190315182758Z
  Email address: rony@cacan.local
  UID: 1806600001
  GID: 1806600001
  Password: True
  Member of groups: ipausers
  Kerberos keys available: True
 

Find User

Untuk mencari data user gunakan perintah berikut:

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sudo ipa user-find
 
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---------------
2 users matched
---------------
  User login: admin
  Last name: Administrator
  Home directory: /home/admin
  Login shell: /bin/bash
  Principal alias: admin@CACAN.LOCAL
  UID: 1806600000
  GID: 1806600000
  Account disabled: False
 
  User login: rony
  First name: Rony
  Last name: Chandra
  Home directory: /home/rony
  Login shell: /bin/bash
  Principal name: rony@CACAN.LOCAL
  Principal alias: rony@CACAN.LOCAL
  Email address: rony@cacan.local
  UID: 1806600001
  GID: 1806600001
  Account disabled: False
----------------------------
Number of entries returned 2
----------------------------
 

Sampai disini cara Install FreeIPA Centos 7 sudah selesai. Pada kesempatan lain kita akan bahas tentang FreeIPA lebih mendalam lagi.

Semoga bermanfaat

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