How to install OpenLDAP

1. Install the following packages

(Assuming that yum repository is already configured)

# yum -y install openldap-clients openldap-servers

2. Start and Enable slapd service

# systemctl start slapd

# systemctl enable slapd

# systemctl status slapd

3. create LDAP admin password

# slappasswd

e.g. set it as redhat

4. Modify the olcSuffix and olcRootDN attributes in the LDAP database using ldapmodify

a. prepare my_config.ldif

dn: olcDatabase={2}hdb,cn=config
changetype: modify
replace: olcSuffix
olcSuffix: dc=example,dc=com

dn: olcDatabase={2}hdb,cn=config
changetype: modify
replace: olcRootDN
olcRootDN: cn=admin,dc=example,dc=com

References

1. https://www.golinuxcloud.com/install-and-configure-openldap-centos-7-linux/