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Source: [https://www.linuxbabe.com/ubuntu/install-configure-openldap-server-ubuntu-16-04 linuxbabe.com]▼
= Install OpenLDAP Server =
▲
Install Stand-Alone LDAP Daemon:
sudo apt install slapd ldap-utils
Set a password for the admin entry in the LDAP directory
Check out status of slapd
systemctl status slapd
Basic Post-Installation Configuration:
sudo dpkg-reconfigure slapd
Omit LDAP server configuration: NO
DNS domain name: Enter your domain name: testlab.com
Organization name: TestLab
Administrator password: Enter the same password set during installation
Database backend: MDB.
BDB (Berkeley Database) is slow and cumbersome. It is deprecated and support will be dropped in future OpenLDAP releases.
HDB (Hierarchical Database) is a variant of the BDB backend and will also be deprecated.
MDB reads are 5-20x faster than BDB. Writes are 2-5x faster. And it consumes 1/4 as much RAM as BDB.
Do you want the database to be removed when slapd is purged? No.
Move old database? Yes.
Allow LDAPv2 protocol? No. The latest version of LDAP is LDAP v.3, developed in 1997. LDAPv2 is obsolete.
Configuring the LDAP Clients:
sudo nano /etc/ldap/ldap.conf
Need to specify two parameters: the base DN and the URI of our OpenLDAP server.
Copy and paste the following text at the end of the file:
BASE dc=testlab,dc=com
URI ldap://localhost
If you used a subdomain when configuring OpenLDAP server, then you need to add the subdomain here like so
BASE dc=subdomain,dc=testlab,dc=com
ldap://localhost
Testing OpenLDAP Server:
ldapsearch -x
Indicates that OpenLDAP server is working:
Result: 0 Success
If you get the following line, then it’s not working:
result: 32 No such object
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