To switch your DIT suffix to dc=example,dc=com, for example, so you can follow this guide more closely, answer when asked about the DNS domain name.
To change the suffix, run the following command: sudo dpkg-reconfigure slapd If you want to change your DIT suffix, now would be a good time, because changing it discards your existing one.
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Proceed with the install of the server and the main command line utilities: sudo apt install slapd ldap-utils This guide will use a database suffix of dc=example,dc=com. If you want something different, you can change it right after the installation when you still don't have any useful data. However, the suffix (or base DN) of this instance will be determined from the domain name of the host. In particular, it will create a database instance that you can use to store your data. The installation of slapd will create a minimal working configuration with a top level entry, and an administrator's DN. Examples include an address book, company directory, a list of email addresses, and a mail server’s configuration. Such a directory accessed via LDAP is good for anything that involves a large number of access requests to a mostly-read, attribute-based (name:value) backend, and that can benefit from a hierarchical structure. Any information that you feed into your DIT must also be in such a format. The above entry is in LDIF format (LDAP Data Interchange Format). The terms object, container, and node have certain connotations but they all essentially mean the same thing as entry, the technically correct term.įor example, below we have a single entry consisting of 11 attributes where the following is true: It is not considered part of the entry itself. This, in turn, consists of a Relative Distinguished Name (RDN) followed by the parent entry’s DN. Here are some key concepts and terms:Ī directory is a tree of data entries that is hierarchical in nature and is called the Directory Information Tree (DIT).Īn entry consists of a set of attributes.Īn attribute has a key (a name/description) and one or more values.Įvery attribute must be defined in at least one objectClass.Īttributes and objectclasses are defined in schemas (an objectclass is actually considered as a special kind of attribute).Įach entry has a unique identifier: its Distinguished Name (DN or dn). A common mistake is to call a directory an LDAP directory, or LDAP database, but it’s really so common, and we all know what we are talking about, that it’s ok. The current LDAP version is LDAPv3, as defined in RFC4510, and the implementation used in Ubuntu is OpenLDAP." The Lightweight Directory Access Protocol, or LDAP, is a protocol for querying and modifying a X.500-based directory service running over TCP/IP. Pacemaker - Fence Agents - Supportability.Pacemaker - Resource Agents - Supportability.