The Samba Configuration File Format

Before delving into Samba configuration, you should understand the Samba configuration file format. This file is called smb.conf , and it’s typically located in /etc/samba, although a few distributions (particularly old ones) place it in some variant location, such as /etc/samba.d or /etc. When you compile from source code, it goes in /usr/local/samba/lib unless you change a configuration option.

Wherever it’s located, the smb.conf file is broken into several distinct sections, each of which has its purposes. Within each section, lines have a simple structure consisting of a parameter that’s to be set and one or more values to be assigned to the parameter, or they may be comment lines. You should also understand the use of Samba variables, which enable you to set a parameter to a value you may not know when creating the configuration file.

Configuration File Sections

Example 3-1 shows a short but complete smb.conf configuration file. In this file, the section names appear between square brackets ([ ]). In this example, the section names are [global], [homes], and [freefiles].

Example 3-1. A short smb.conf file

[global] workgroup = GREENHOUSE netbios name = MANDRAKE server string = Free files for all encrypt passwords = Yes security = User os level = 2 domain master = No preferred master = No domain logons = No [homes] browseable = No writeable = Yes # Put all our public files in a logical place.... [freefiles] path = /usr/share/samba/public browseable ...

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