openldap

installation

sudo apt install slapd
sudo dpkg-reconfigure slapd

config

wget https://brucekomike.github.io/om-docs/remote/ubuntu/slapd/bootstrap.ldif
wget https://brucekomike.github.io/om-docs/remote/ubuntu/slapd/memberof2.ldif
wget https://brucekomike.github.io/om-docs/remote/ubuntu/slapd/memberof3.ldif

apply config

ldapadd -x -D "cn=admin,dc=<MY-DOMAIN>,dc=<COM>" -W -f bootstrap.ldif

sudo ldapadd -Y EXTERNAL -H ldapi:/// -f memberof2.ldif
sudo ldapadd -Y EXTERNAL -H ldapi:/// -f memberof3.ldif

search

without login

ldapsearch -x -b "ou=users,dc=example,dc=com" "(uid=xxx)"

sudo ldapsearch -Y EXTERNAL -H ldapi:/// -b "dc=example,dc=com"

with login

ldapsearch -x -H ldap://ldap.example.com \
    -D "cn=admin,dc=example,dc=com" -w "password" \
    -b "dc=example,dc=com" "(mail=john.doe@example.com)"