How to Install OpenLDAP on Fedora CoreOS Latest

OpenLDAP is an open-source implementation of the Lightweight Directory Access Protocol (LDAP) used for managing a directory of user or system data. This tutorial will guide you through the installation steps of OpenLDAP on Fedora CoreOS Latest.

Prerequisites

Before starting with the installation process, make sure you have the following prerequisites:

• A running instance or virtual machine of Fedora CoreOS Latest.
• The privileges of the root user or an account with sudo permissions.

Step 1: Update the System

The first step towards installing OpenLDAP on Fedora CoreOS Latest is to run the system update to ensure all the packages are up to date. Run the following command in the terminal:

sudo dnf update -y

Step 2: Install OpenLDAP

Once the system is updated, install OpenLDAP by running the following command in the terminal:

sudo dnf install -y openldap openldap-clients openldap-servers

This command will install the OpenLDAP client, server, and clients library.

Step 3: Configure OpenLDAP

After installing OpenLDAP, configure it by creating the LDAP database directory, setting permission, and initializing the LDAP database. Run the following commands in the terminal:

mkdir -p /var/lib/ldap/
chown ldap.ldap /var/lib/ldap/

cd /etc/openldap/

slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d/

chown ldap.ldap /etc/openldap/slapd.d/

Step 4: Start and Enable the OpenLDAP Server

Start the OpenLDAP server and enable it to start automatically after the system reboots by running the following commands:

systemctl start slapd
systemctl enable slapd

Step 5: Configure the Firewall

Add rules to the firewall to allow network connections to the OpenLDAP service. Run the following command in the terminal:

firewall-cmd --add-service=ldap --permanent

Step 6: Test LDAP Connection

To verify that the OpenLDAP service is running, run the following command:

systemctl status slapd

To test the LDAP connection, you can use the ldapsearch command. For example, to search for all the users in the LDAP database, run the following command:

ldapsearch -x -b "dc=example,dc=com" "(objectClass=*)"

Replace dc=example,dc=com with the appropriate LDAP base domain.

Congratulations! You have now installed OpenLDAP on Fedora CoreOS Latest.

Conclusion

In this tutorial, you learned how to install OpenLDAP on Fedora CoreOS Latest, configure it, and test the LDAP connection. You can now use OpenLDAP to manage the directory of user or system data on your Fedora CoreOS Latest instance.

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