How to install FreeIPA on Ubuntu 18.04

FreeIPA is an open-source Identity, Policy, and Audit (IPA) suite that provides centralized authentication, authorization, and account information by combining services such as LDAP (Lightweight Directory Access Protocol), Kerberos, DNS, and a certificate authority (CA) into one solution.

Below are the steps to install FreeIPA on Ubuntu 18.04:

1. Update the system:

sudo apt update
sudo apt upgrade

2. Install the necessary packages:

sudo apt install freeipa-server

3. Configure the FreeIPA server:

sudo ipa-server-install

During the installation, you will be prompted to enter the realm name (e.g. EXAMPLE.COM), the Directory Manager password, and other relevant information. Make sure to provide accurate details for successful installation.

4. Configure the firewall settings:

sudo ufw enable
sudo ufw allow 53
sudo ufw allow 80
sudo ufw allow 88
sudo ufw allow 389
sudo ufw allow 636
sudo ufw allow 88/tcp
sudo ufw allow 464
sudo ufw allow 883/tcp
sudo ufw allow 7389
sudo ufw allow 9443/tcp

5. Access FreeIPA web interface:

Open your web browser and navigate to https://your_server_ip or https://your_domain_name. You should see the FreeIPA web interface where you can log in with the Directory Manager credentials.

That's it! You have successfully installed FreeIPA on Ubuntu 18.04. You can now manage users, groups, and other identity-related features using the FreeIPA web interface. Enjoy the centralized authentication and authorization provided by FreeIPA!