Smb.conf log file

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The example command creates a user account with a disabled Unix. This allows machine accounts to be created on the domain controller via the. The following assumes a "machines" group exists on the system. If you want to automatically load your printer list rather. You may wish to override the location of the. CUPS printing. See also the cupsaddsmb 8 manpage in the. Using the following line enables you to customise your configuration. Most people will find that this option gives better performance.

See smb. You may want to add the following on a Linux system:. The following parameter is useful only if you have the linpopup package. The samba maintainer and the linpopup maintainer are. If this. Some defaults for winbind make sure you're not using the ranges. The following was the default behaviour in sarge,. Setup usershare options to enable non-root users to share folders. Maximum number of usershare. Allow users who've been granted usershare privileges to create.

Un-comment the following and tweak the other settings below to suit. This will share each. By default, the home directories are exported read-only. Change the. File creation mask is set to for security reasons.

If you want to. Directory creation mask is set to for security reasons. Un-comment the following parameter. The following parameter makes sure that only "username" can connect. This might need tweaking when using external authentication schemes. Namespaces Page Discussion. More More Languages. Page actions Read View source History.

Wiki tools Wiki tools Special pages. Page tools Page tools. Userpage tools. This page was last edited on 23 July , at This page has been accessed , times. Content is available under CC-BY unless otherwise noted. Actually, it can be a good idea to restart the daemons because it forces the clients to disconnect and reconnect, ensuring that the new configuration is applied to all clients.

We showed you how to restart the daemons in Chapter 2 , and sending them a hangup HUP signal is very similar. On Linux, it can be done with the command:.

In this case, not all changes will be immediately recognized by clients. For example, changes to a share that is currently in use will not be registered until the client disconnects and reconnects to that share. In addition, server-specific parameters such as the workgroup or NetBIOS name of the server will not go into effect immediately either. This behavior was implemented intentionally because it keeps active clients from being suddenly disconnected or encountering unexpected access problems while a session is open.

Because a new copy of the smbd daemon is created for each connecting client, it is possible for each client to have its own customized configuration file. Samba allows a limited, yet useful, form of variable substitution in the configuration file to allow information about the Samba server and the client to be included in the configuration at the time the client connects. An example is:.

In this example, Samba will assign a unique path for the [pub] share to client systems based on what operating system they are running.

The paths that each client would see as its share differ according to the client's architecture:. Using variables in this manner comes in handy if you wish to have different users run custom configurations based on their own unique characteristics or conditions.

Samba has 20 variables, as shown in Table Here's another example of using variables: let's say there are five clients on your network, but one client, maya , requires a slightly different [homes] configuration. With Samba, it's simple to handle this:. If the hostname of the client system is maya , and if a smb. If any configuration options are restated in smb.

Note that we say "previously. If the file specified by the include parameter does not exist, Samba will not generate an error. In fact, it won't do anything at all. This allows you to create only one extra configuration file for maya when using this strategy, instead of one for each client that is on the network. Client-specific configuration files can be used to customize particular clients. They also can be used to make debugging Samba easier.

For example, if we have one client with a problem, we can use this approach to give it a private log file with a more verbose logging level. This allows us to see what Samba is doing without slowing down all the other clients or overflowing the disk with useless logs. You can use the variables in Table to give custom values to a variety of Samba options.

We will highlight several of these options as we move through the next few chapters. Now that we've gotten our feet wet with variables, there are a few special sections of the Samba configuration file that we should talk about. Again, don't worry if you do not understand every configuration option listed here; we'll go over each of them in the upcoming chapters.

The [global] section appears in virtually every Samba configuration file, even though it is not mandatory. There are two purposes for the [global] section. Server-wide settings are defined here, and any options that apply to shares will be used as a default in all share definitions, unless overridden within the share definition.

This includes the [homes] and [test] shares. Any option that appears before the first marked section is assumed to be a global option. This means that the [global] section heading is not absolutely required; however, we suggest you always include it for clarity and to ensure future compatibility. If a client attempts to connect to a share that doesn't appear in the smb.

If a [homes] share exists, the unresolved share name is assumed to be a Unix username. If that username appears in the password database on the Samba server, Samba assumes the client is a Unix user trying to connect to her home directory on the server. For example, assume a client system is connecting to the Samba server toltec for the first time and tries to connect to a share named [alice]. There is no [alice] share defined in the smb. Samba then checks the password provided by the client against user alice 's Unix password—either with the password database file if it's using nonencrypted passwords or with Samba's smbpasswd file if encrypted passwords are in use.

If the passwords match, Samba knows it has guessed right: the user alice is trying to connect to her home directory. Samba will then create a share called [alice] for her, with the share's path set to alice 's home directory. The process of using the [homes] section to create users and dealing with their passwords is discussed in more detail in Chapter 9.

The third special section is called [printers] and is similar to [homes]. If a client attempts to connect to a share that isn't in the smb. This means that as with [homes] , you don't have to maintain a share for each system printer in the smb.

Instead, Samba honors the Unix printer registry if you ask it to, and it provides the registered printers to the client systems. However, there is a potential difficulty: if you have an account named fred and a printer named fred , Samba will always find the user account first, even if the client really needed to connect to the printer. The process of setting up the [printers] share is discussed in more detail in Chapter Options in the Samba configuration files fall into one of two categories: global options or share options.

Each category dictates where an option can appear in the configuration file. Global options must appear in the [global] section and nowhere else.

These are options that typically apply to the behavior of the Samba server itself and not to any of its shares. Share options can appear in share definitions, the [global] section, or both. If they appear in the [global] section, they will define a default behavior for all shares unless a share overrides the option with a value of its own. These are simply yes or no values, but can be represented by any of the following: yes , no , true , false , 1 , or 0.

The values are case-insensitive: YES is the same as yes. This is a decimal, hexadecimal, or octal number. The standard 0x nn syntax is used for hexadecimal and 0 nnn for octal. You can instruct Samba to include or replace configuration options as it is processing them. The options to do this are summarized in Table The global config file option specifies a replacement configuration file that will be loaded when the option is encountered. If the target file exists, the remainder of the current configuration file, as well as the options encountered so far, will be discarded, and Samba will configure itself entirely with the options in the new file.

Variables can be used with the config file option, which is useful in the event that you want to use a special configuration file based on the NetBIOS machine name or user of the client that is connecting. For example, the following line instructs Samba to use a configuration file specified by the NetBIOS name of the client connecting, if such a file exists. If it does, options specified in the original configuration file are ignored:. If the configuration file specified does not exist, the option is ignored, and Samba will continue to configure itself based on the current file.

This allows a default configuration file to serve most clients, while providing for exceptions with customized configuration files. This option, discussed in greater detail earlier, copies the target file into the current configuration file at the point specified, as shown in Figure This option also can be used with variables. You can use this option as follows:.

If the configuration file specified does not exist, the option is ignored. Options in the include file override any option specified previously, but not options that are specified later. In Figure , all three options will override their previous values. The copy configuration option allows you to clone the configuration options of the share name that you specify in the current share.

The target share must appear earlier in the configuration file than the share that is performing the copy. For example:.

Note that any options in the share that invoked the copy directive will override those in the cloned share; it does not matter whether they appear before or after the copy directive. We will now start from scratch and build a configuration file for our Samba server. First we will introduce three basic configuration options that can appear in the [global] section of the smb. If you like, you can go ahead and try this configuration file. Create a file named smb. Then restart the Samba server and use a Windows client to verify the results.

After double-clicking the Network Neighborhood on a Windows client, you should see a window similar to Figure In this figure, Mixtec is another Samba server, a nd Zapotec is a Windows client. You can verify the server string by listing the details of the Network Neighborhood window select Details in the View menu. You should see a window similar to Figure If you were to click the toltec icon, a window should appear that shows the services that it provides. In this case, the window would be completely empty because there are no shares on the server yet.

Table summarizes the server configuration options introduced previously. All three of these options are global in scope, so they must appear in the [global] section of the configuration file. The default value for this configuration option is the server's hostname—that is, the first part of its fully qualified domain name. For example, a system with the DNS name ruby. One such reason might be if the hostname of the system is not unique because the LAN is divided over two or more DNS domains.

Another use of this option is for relocating SMB services from a dead or retired system. Users won't have to change their drive mappings to a different server; new connections to SALES will simply go to the new server. The workgroup parameter sets the current workgroup or domain in which the Samba server will advertise itself.

Because this is the default workgroup name of every unconfigured Windows and Samba system, we recommend that you always set your workgroup name in the Samba configuration file. When choosing your workgroup name, try to avoid making it the same name as a server or user. This will avoid possible problems with WINS name resolution. The server string parameter defines a comment string that will appear next to the server name in both the Network Neighborhood when shown with the Details view and the comment entry of the Microsoft Windows printer manager.

You can use variables to provide information in the description. For example, our entry earlier was:. We mentioned in the previous section that there were no disk shares on the toltec server. Let's continue building the configuration file and create an empty disk share called [data].

Here are the additions that will do it:. The [data] share is typical for a Samba disk share. We've also provided a comment that describes the share as a Data Drive , as well as a volume name for the share itself.

Samba's default is to create a read-only share. As a result, the writable option needs to be explicitly set for each disk share you wish to make writable. Now, if we connect to the toltec server again by double-clicking its icon in the Windows Network Neighborhood, we will see a single share entitled data , as shown in Figure The basic Samba configuration options for disk shares previously introduced are listed in Table Sets the Unix directory that will be provided for a disk share or used for spooling by a printer share.

If no , allows read-only access to a share. If yes , both reading and writing are allowed. This option, which has the synonym directory , indicates the pathname for the root of the shared directory or printer. You can choose any directory on the Samba server, so long as the owner of the Samba process that is connecting has read and write access to that directory.

If this path is for a disk share, the contents of the folder representing the share name on the client will match the contents of the directory on the Samba server. The directory specified as the value for path can be given as a relative path, in which case it will be relative to the directory specified by the root directory parameter.

The comment option allows you to enter a comment that will be sent to the client when it attempts to browse the share. The user can see the comment by using the Details view on the share folder or with the net view command at an MS-DOS prompt. For example, here is how you might insert a comment for a share:. Be sure not to confuse the comment option, which documents a Samba server's shares, with the server string option, which documents the server itself.

This option allows you to specify the volume name of the share, which would otherwise default to the name of the share given in the smb. If you copy the contents of the CD-ROM into a network share and wish to install from there, you can use this option to make sure the installation program sees the correct volume name:. The options read only and writable also called writeable or write ok are really two ways of saying the same thing, but they are approached from opposite ends.

For example, you can set either of the following options in the [global] section or in an individual share:. If either option is set as shown, data can be read from a share, but cannot be written to it.

You might think you would need this option only if you were creating a read-only share. However, note that this read-only behavior is the default action for shares; if you want to be able to write data to a share, you must explicitly specify one of the following options in the configuration file for each share:.

If you specify more than one occurrence of either option, Samba will adhere to the last value it encounters for the share. If you're running Samba on a multihomed system on multiple subnets , you will need to configure Samba to use all the network interfaces. Another use for the options presented in this section is to implement better security by allowing or disallowing connections on the specified interfaces.

Let's assume that our Samba server can access both the subnets