DO NOT USE

not complete in any way

LDAP

• 192.168.1.65 ldap (virtual IP-address)
• 192.168.1.66 ldap01
• 192.168.1.67 ldap02

really ?

• anything prior to 2.4.54 should be avoided

apt-get install slapd ldap-utils

important article to set the password for ldapadd, etc. https://www.djaodjin.com/blog/setup-open-ldap.blog.html needed to provide rfc822mailmember from misc.ldif

root@kall:~# slappasswd
New password: 
Re-enter new password: 
{SSHA}XXX

root@kall:~# ldapmodify -Q -Y EXTERNAL -H ldapi:/// << EOF
dn: olcDatabase={0}config,cn=config
changetype:modify
add: olcRootPW
olcRootPW: {SSHA}XXX

root@kall:~# ldapadd -x -H ldap:/// -f /etc/ldap/schema/misc.ldif -D "cn=admin,cn=config" -W
Enter LDAP Password: 
adding new entry "cn=misc,cn=schema,cn=config"

root@kall:~# slapadd -F /etc/ldap/slapd.d/ -l backup.ldif 
-#################### 100.00% eta   none elapsed                 spd  29.9 k/s 
Closing DB...

References

• https://www.linuxjournal.com/article/5505

• https://www.openldap.org/doc/admin24/replication.html

• https://linoxide.com/linux-how-to/install-openldap-2-different-hosts-configure-mirror-mode/

• https://ypbind.de/maus/ldap_ha_loadbalancing.html

• https://www.openldap.org/doc/admin24/replication.html#N-Way%20Multi-Provider%20Replication

• https://www.openldap.org/doc/admin24/replication.html#N-Way%20Multi-Provider%20Replication

• https://mishikal.wordpress.com/2019/04/23/configuring-mmr-using-delta-syncrepl-in-openldap-updating-an-existing-standalone-configuration/