How does an LDAP directory differ from a relational database system Essay Example for Free

How does an LDAP directory differ from a relational database placement Essay5. How does an LDAP directory differ from a relational database system? You cannot write a stored procedure or trigger to help maintain LDAP data. The D in LDAP stands for directory, not database The P in LDAP clearly indicates that LDAP is, in fact, a protocol. LDAP has no notion of rows, tables, or other database elements. LDAP has no notion of relational integrityLDAP data is a hierarchical collection of objects, not a linked collection of relations. 6. What is the basic unit of information in an LDAP directory? What is the structure of an attribute? An entry is the basic unit of information in an LDAP directory. Each attribute has a name (an attribute type or description) and one or more values.10. Where is the LDAP device object class defined? Which of its attributes atomic number 18 mandatory and which are optional? The device object class is defined in the /etc/ldap/schema/core.ldif file. Its ma ndatory attribute is cn. Its optional attributes are serial Number, See Also, owner, ou, o, l, and description.11. How would you determine the long-acting name for the l (lowercase l) LDAP object class? $ grep l /etc/openldap/schema/*.ldif/etc/openldap/schema/core.ldifolcAttributeTypes (2.5.4.7 NAME ( l localityName )1. Which two daemons are part of the obeche retinue? What does each do? SMBD The smbd program provides Sambas file and printer services, using one TCP/IP stream and one daemon per client. It is controlled from the default on configuration file, trip the light fantastic toe_dir/lib/smb.conf, and can be overridden by command-line options. NMBD The nmbd program is Sambas NetBIOS name and browsing daemon. It replies to broadcast NetBIOS over TCP/IP (NBT) name-service requests from SMB clients and option anyy to Microsofts Windows Internet Name Service (WINS) requests. Both of these are versions of the name-to-address lookup required by SMB clients. The broadcast versio n uses UDP/IP broadcast on the local subnet only, part WINS uses TCP/IP, which may be routed. If running as a WINS server, nmbd keeps a current name and address database in the file wins.dat in the samba_dir/var/locks directory.2. What go are required for mapping a Windows user to a Linux user? Set the username map parameter in smb.conf to point to the map file, frequently /etc/samba/smbusers, and assign a Samba password to the user3. How can a system administrator add a Samba password for a recent user? smbpasswd username4. What is the purpose of the homes share? Should this share be browseable? Why? The homes share implicitly shares the home directory of each user without having to define specific shares. 5. Describe how Sambas handling of users differs from that of NFS. NFS directory hierarchies are mounted by root and NFS maps users on the client to users on the server. A nonroot user mounts a Samba share and all accesses to that share occur in that users name.