/usr/share/dirsrv/data/template-ldapi.ldif is in 389-ds-base 1.3.7.10-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | dn: cn=config
changetype: modify
replace: nsslapd-ldapifilepath
nsslapd-ldapifilepath: %ldapifilepath%
-
replace: nsslapd-ldapilisten
nsslapd-ldapilisten: on
|