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Remote Editing:

A. The registry can be edited remotely without logging into the server: One of the benefits of registry-based Samba configuration is that the registry can be editedremotely. This means administrators can make changes without needing to log into the server directly, facilitating easier and more flexible management.

Improved Startup Time:

C. Server processes require less time to start because they do not have to parse the configuration file: Registry-based configurations can reduce startup time because the Samba server processes do not need to parse a potentially complexsmb.conffile. Instead, they access the configuration directly from the registry, which can be faster.

Immediate Effect of Configuration Changes:

D. Configuration changes become effective immediately without a daemon reload: Changes made in the registry are applied immediately and do not require a daemon reload. This can be very advantageous for administrators who need to make quick adjustments without interrupting the service.

References:

Samba documentation

Various Samba configuration tutorials and best practice guides

The effective permissions of a file created with the permissions777can be calculated considering thecreate maskandforce create mode.

create mask = 711implies that the permission bits are ANDed with 0711, i.e., only the owner can read, write, and execute.

force create mode = 750implies that certain permission bits are always set, specifically 0750, i.e., read, write, and execute for the owner, and read and execute for the group.

Thecreate maskreduces the permissions to 0711, and thenforce create modeadds the 0750 mask to the result.

Original permission:777AND withcreate mask (711):711OR withforce create mode (750):751

Thus, the effective permission is751.

References:

Samba smb.conf man page - create mask

Individual Log Files:

A. log file = /var/log/samba/log.%m: To generate an individual log file for each machine connecting to a Samba server, the%mvariable is used in the log file path. Thisvariable represents the machine name of the connecting client. Thus, the configuration linelog file = /var/log/samba/log.%mcreates a unique log file for each client machine.

References:

Sambasmb.confmanual

Logging configurations in Samba