Mac os x server open directory replication

Viewed 2k times. Both servers are set to be allowed to remote login via ssh as administrators. Anyone can share some advices with me? Really appreciated.


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Vincent Vincent 4 4 silver badges 15 15 bronze badges. Thanks a lot, klanomath. Here is the correct address which I missed: walcott. Did you find a solution that worked for you? Harv Unfortunately not Note that although I got the same error, I am on macOS Populate the OD with data, make sure it replicates successfully. It did! Harv Harv 5, 12 12 silver badges 39 39 bronze badges. Timothy Dansereau Timothy Dansereau 1. Welcome to Ask Different. It's not advisable to provide a link only answer even though it answer the question. Links go stale, meaning the answer will no longer be useful.

It's best to summarize the answer and provide the link as a citation or for more detail.

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Thank you, sir. I did try this before, but no luck. Featured on Meta. Feedback post: Moderator review and reinstatement processes. Post for clarifications on the updated pronouns FAQ. Separate Linux tag from Unix.

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Related 0. Hot Network Questions. Question feed. The user always has access to personal networked files and can easily locate and use authorized network resources. Directory Services and Directory Domains A directory service acts as an intermediary between application and system software processes, which need information about users and resources, and the directory domains that store the information. Groups Users Printers Computers Mounts Directory domains Open Directory Application and system software processes Open Directory can access information in one or several directory domains. A directory domain stores information in a specialized database that is optimized to handle many requests for information and to find and retrieve information quickly.

For example, when you create a user account with Workgroup Manager, it has Open Directory store user name and other account information in a directory domain. You can then review user account information in Workgroup Manager, which uses Open Directory to retrieve the user information from a directory domain. Open Directory provides access to administrative data that UNIX systems have generally kept in configuration files, which require painstaking work to maintain.

Some UNIX systems still rely on configuration files. Open Directory consolidates the data and distributes it for ease of access and maintenance. Chapter 1 Directory Services with Open Directory Open Directory consolidates administrative information, simplifying the interaction between processes and the administrative data they create and use: Open Directory Mac OS X processes Processes no longer need to know how and where administrative data is stored.

Open Directory gets the data for them.

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If a process needs the location of a user s home folder, the process has Open Directory retrieve the information. Open Directory finds the requested information and then returns it, insulating the process from the details of how the information is stored, as shown in the following illustration. Some data stored in a directory domain is identical to data stored in UNIX configuration files.

Data Distribution A characteristic of UNIX configuration files is that the administrative data they contain is available only to the computer they are stored on. Each computer has its own UNIX configuration files. With UNIX configuration files, each computer that someone wants to use must have that person s user account settings stored on it, and each computer must store the account settings for every person who can use the computer.

To set up a computer s network settings, the administrator must to go to the computer and enter the IP address and other information that identifies the computer on the network. Similarly, when user or network information must be changed in UNIX configuration files, the administrator must make the changes on the computer where the files reside. Some changes, such as network settings, require the administrator to make the same changes on multiple computers.

This approach becomes unwieldy as networks grow in size and complexity. Open Directory solves this problem by letting you store administrative data in a directory domain that can be managed by a network administrator from one location. Open Directory lets you distribute the information so it is visible on a network to the computers that need it and the administrator who manages it, as shown in the following illustration. Here are some ways in which Mac OS X system and application software use directory data: Login: Workgroup Manager can create user records in a directory domain, and these records can be used to authenticate users who log in to Mac OS X computers and Windows computers.

When a user specifies a name and a password in the Mac OS X login window, the login process asks Open Directory to authenticate the name and password.

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Open Directory uses the name to find the user s account record in a directory domain and uses other data in the user record to validate the password. Folder and file access: After logging in, a user can access files and folders. Mac OS X uses other data from the user record to determine the user s access privileges for each file or folder. Home folders: Each user record in a directory domain stores the location of the user s home folder. This is where the user keeps personal files, folders, and preferences.

A user s home folder can be located on a computer the user always uses or it can be located on a network file server. Information about these automount share points is stored in a directory domain.

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Share points are folders, disks, or disk partitions you have made accessible over the network. Mail account settings: Each user s record in a directory domain specifies whether the user has mail service, which mail protocols to use, how to present incoming mail, whether to alert the user when mail arrives, and so forth. Resource usage: Disk, print, and mail quotas can be stored in each user record of a directory domain. Managed client information: The administrator can manage the Mac OS X environment of users whose account records are stored in a directory domain.

The administrator makes mandatory preference settings that are stored in the directory domain and override users personal preferences. Group management: In addition to user records, a directory domain also stores group records. Each group record affects all users who are in the group. Information in group records specifies preference settings for group members.

Group records also determine access to files, folders, and computers. Because these managed network views are stored in a directory domain, they re available when a user logs in. Active Directory, the directory service of Microsoft Windows and servers. Inside a Directory Domain Information in a directory domain is organized by record type.

Record types are specific categories of information such as users, groups, and computers. For each record type, a directory domain can contain any number of records. Each record is a collection of attributes, and each attribute has values. If you think of each record type as a spreadsheet that contains a category of information, records are like the rows of the spreadsheet, attributes are like spreadsheet columns, and each spreadsheet cell contains values.


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For example, when you define a user account by using Workgroup Manager, you are creating a user record a record of the user record type. The settings you configure for the user account short name, full name, home folder location, and so on become values of attributes in the user record. The user record and the values of its attributes reside in a directory domain.

Like record types, object classes define categories of information.

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An object class defines similar information, named entries, by specifying attributes that an entry must or may contain. Some attributes have a single value, while others have multiple values. For example, the inetorgperson object class defines entries that contain user attributes. A collection of attributes and record types or object classes provides a blueprint for the information in a directory domain.

This blueprint is named the schema of the directory domain. However, Open Directory uses a directory-based schema that is different from a locally based stored schema. Using a locally based schema configuration file can be complex. The issue with an Open Directory master that services replica servers is that if you change or add an attribute to the locally based schema of a Open Directory master you must also make that change to each replica.

Depending on the number of replicas you have, the manual update process can take an enormous amount of time. If you don t make the same schema change locally on each replica, your replica servers generate errors and fail when values for the newly added attribute are sent to replica servers. To eliminate this possibility of failure, Mac OS X uses a directory-based schema that is stored in the directory database and is updated for each replica server from the replicated directory database.

This keeps the schema for replicas synchronized and provides greater flexibility to make changes to the schema. In some LDAP directories, this structure is based on geographic and organizational boundaries. More commonly, the structure is based on Internet domain names. The LDAP service retrieves data by searching the hierarchy of entries. The search can begin at any entry. The entry where the search begins is the search base.

You can designate a search base by specifying the distinguished name of an entry in the LDAP directory.

You can also specify how much of the LDAP hierarchy to search below the search base. The search scope can include all subtrees below the search base or the first level of entries below the search base. If you use command-line tools to search an LDAP directory, you can also restrict the search scope to include only the search base entry. This information can be stored in the server s local directory domain or in a shared directory domain.


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