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The configuration of the log level for slapd uses the parameter loglevel in the file /usr/local/etc/openldap/slapd.conf:
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attribute olcLogLevel in the cn=config subtree in the LDAP Metadirectory. The value can be changed using a LDAP client (e. g. Apache Directory Studio) using cn=config as Base-DN.
These log levels are supported:
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