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====== Topic 209: File Sharing ======

Perteneciente a [[informatica:certificaciones:lpic:lpic-2|LPIC-2]]

En este apartado deberás configurar un servidor Samba para varios clientes. Este objetivo incluye configurar Samba como un servidor independiente, así como la integración de Samba como miembro en un Active Directory y además,  exportar sistemas de archivos utilizando NFS.

Módulos:

  * [[informatica:certificaciones:lpic:lpic-2:209_file_sharing:209.1_samba_server_configuration|209.1 SAMBA Server Configuration]] (5)
  * [[informatica:certificaciones:lpic:lpic-2:209_file_sharing:209.2_nfs_server_configuration|209.2 NFS Server Configuration]] (3)

===== Recomendaciones =====

De cara al examen, hay que conocer bien:

  * Conocer los daemons samba.
  * Configurar la compartición samba de los directorios personales de los usuarios.
  * Conocer las opciones samba más comunes.
  * Administrar las contraseñas samba.
  * Conectar un cliente a una compartición samba.


  * Conocer los daemons NFS.
  * Exportar comparticiones NFS puntuales.
  * Configurar un servicio NFS.
  * Conocer los comandos de diagnóstico NFS.
  * Comprender la administración de los derechos de acceso de clientes NFS.
  * Conectar un cliente a una compartición NFS.

===== Tests =====

**Which of the following is needed, to synchronize the Unix password with the SMB password, when the encrypted SMB
password in the smbpasswd file is changed?**

  * Nothing, because this is not possible.
  * Run ''netvamp'' regularly, to convert the passwords.
  * Run ''winbind %%--%%sync'', to synchronize the passwords.
  * Add ''unix password sync = yes'' to ''smb.conf''. (**Solución**)
  * Add ''smbunix password = sync'' to ''smb.conf''.

**Which Samba-related command will show all options that were not modified using smb.conf and thus are set to
their default values? Please enter the command and its parameter(s).**

  * ''testparm -v''

**Which command can be used to list all exported file systems from a remote NFS server:**

  * ''exportfs''
  * ''nfsstat''
  * ''rpcinfo''
  * ''showmount'' (**Solución**)
  * ''importfs''

**Which of the following configuration lines will export /usr/local/share/ to nfsclient with read-write access, ensuring that all changes are straight to the disk?**

  * ''/usr/local/share nfsclient(rw) written''
  * ''nfsclient: /usr/local/share/:rw,sync''
  * ''/usr/local/share nfsclient:rw:sync''
  * ''/usr/local/share nfsclient(rw,sync)'' (**Solución**)
  * ''nfsclient(rw,sync) /usr/local/share''

**Which of the following files defines the directories and permissions for NFS shares on your server?**

  * ''/etc/exportfs''
  * ''/etc/shares''
  * None of the above
  * ''/etc/exports'' (**Solución**)

**Which of the following utilities will test the configuration of your SAMBA shares?**

  * ''testparm'' (**Solución**)
  * ''checkparm''
  * ''viewparm''
  * ''chickenparm''

**Which packages are required for both the SAMBA client and server?**

  * samba, named, rndc
  * smb, nmb, postfix
  * smb, postmap
  * samba, samba-client, samba-common, cifs-utils (**Solución**)

**Why is it important to map the UID/GID between NFS servers and their clients?**

  * So you don't have to use OpenLDAP
  * To keep the same account names
  * To encourage the same authentication type
  * To keep permissions consistent between systems (**Solución**)

**Clients can only mount NFS shares from a server at the command line (i.e. manually as needed).**

  * Verdadero
  * Falso  (**Solución**)