AIX Samba Services

Provides file as well as other services to Windows clients.

Setting up a Server

The Samba suite hides in the bos.cifs_fs files sets of the AIX Base Operating System since at least 5.2. In order to work properly, it needs some configuration. A useful write-up for AIX can be found here.
  1. The central configuration file is smb.conf. It's default location varies with the "distribution". Could be /usr/lib/, /etc/samba/, /usr/local/samba/lib/ or somewhere else. I prefer to put it /etc/samba/. Some important entries are:
       smb passwd file = ...
       encrypt passwords =  yes
       log file = /var/adm/samba/log.%m
    ;  IP address of Samba server machine:    
       socket address =
       security = user
  2. Create the log file directory:
       mkdir /var/adm/samba/
  3. You may check the configuration file's syntax:
       testparm /etc/samba/smb.conf
  4. Start the services:
       /usr/sbin/nmbd -d 1 -D -s /etc/samba/smb.conf   
       /usr/sbin/smbd -d 1 -D -s /etc/samba/smb.conf   
    and put these lines into some central startup script, e.g. /etc/rc.local, so that the services are available after reboot.
  5. Samba accounts have to be created in order for clients to be allowed to connect. They should reflect real UNIX accounts, but password management is handled separately. The passwords themselves reside in a file smbpasswd, which again can reside anywhere, defaults I've seen so far are /usr/local/samba/private/, /var/private/, or anywhere else.
       smbpasswd -c /etc/samba/smb.conf -a feinbein
    will add a new user feinbein and will prompt twice for a Samba password.
    Note that smbpasswd needs to know the location of the Samba configuration file, either via the -c option as below or via the builtin path name. Thus it might be convenient to define
       ln -s /etc/samba/smb.conf /usr/lib/smb.conf

    Another password handling command is pdbedit (root only).
  6. Within the UNIX world, the service may be tested with
       smbclient //sambaserver/homes -U feinbein 
    which after login should enable listing the UNIX home directory.
  7. Another useful command is
    which allows to control the running Samba daemons.
More information with
   man samba

Client Usage

  1. Map Network Drive:
       Laufwerk: X:
       Ordner: \\samba-server\AIX-account
    (no check marks)
  2. In dialog box:
       Benutzer: Domain\Samba-account
       Passwort: Samba-Password
    Windows prior to version 7 doesn't care about the Domain name (usually Campus). Windows 7, however, does, which causes authentication to fail, because the Samba server usually isn't part of the Domain.
    As a cheat, use a fake Domain name, e.g. Schampus .

To change an existing Samba password:

  1. Log into the samba-server machine (e.g. via ssh)
  2. type
    and answer the prompts.

Last update: 7-May-2014, M.Kraemer

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