Client Configuration: Name Service Switch

/etc/nsswitch.conf
passwd:     ldap files
shadow:     ldap files
group:      ldap files
/etc/libnss_ldap.conf
# Your LDAP server. Must be resolvable without using LDAP.
host 127.0.0.1

# The distinguished name of the search base.
base dc=pisoftware,dc=com

# The LDAP version to use (defaults to 2)
ldap_version 3

# The distinguished name to bind to the server with.
# Optional: default is to bind anonymously.
#binddn cn=manager,dc=padl,dc=com

# The credentials to bind with.
# Optional: default is no credential.
#bindpw secret

# The port.
# Optional: default is 389.
#port 389