Difference between revisions of "Samba/Tips and tricks"

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== Remote control of Windows computer ==
 
Samba offers a set of tools for communication with Windows. These can be handy if access to a Windows computer through remote desktop is not an option, as shown by some examples.
 
 
Send shutdown command with a comment:
 
 
$ net rpc shutdown -C "comment" -I IPADDRESS -U USERNAME%PASSWORD
 
A forced shutdown instead can be invoked by changing -C with comment to a single -f. For a restart, only add -r, followed by a -C or -f.
 
 
Stop and start services:
 
 
$ net rpc service stop SERVICENAME -I IPADDRESS -U USERNAME%PASSWORD
 
 
To see all possible net rpc command:
 
 
$ net rpc
 
  
 
== Samba 4.* : Password Complexity  ==
 
== Samba 4.* : Password Complexity  ==

Revision as of 12:11, 14 September 2015

Merge-arrows-2.pngThis article or section is a candidate for merging with Samba.Merge-arrows-2.png

Notes: I cannot see any reason why this section must be separate from the main article. (Discuss in Talk:Samba/Tips and tricks#)

Share files without a username and password

Edit /etc/samba/smb.conf and add the following line:

map to guest = Bad User

After this line:

security = user

Restrict the shares data to a specific interface replace:

;   interfaces = 192.168.12.2/24 192.168.13.2/24

with:

interfaces = lo eth0
bind interfaces only = true

Optionally edit the account that access the shares, edit the following line:

;   guest account = nobody

For example:

   guest account = pcguest

And do something in the likes of:

# useradd -c "Guest User" -d /dev/null -s /bin/false pcguest

Then setup a "" password for user pcguest.

The last step is to create share directory (for write access make writable = yes):

[Public Share]
path = /path/to/public/share
available = yes
browsable = yes
public = yes
writable = no
Note: Make sure the guest also has permission to visit /path, /path/to and /path/to/public, according to http://unix.stackexchange.com/questions/13858/do-the-parent-directorys-permissions-matter-when-accessing-a-subdirectory

Sample Passwordless Configuration

This is the configuration I use with samba 4 for easy passwordless filesharing with family on a home network. Change any options needed to suit your network (workgroup and interface). I'm restricting it to the static IP I have on my ethernet interface, just delete that line if you do not care which interface is used.

/etc/samba/smb.conf
[global]

   workgroup = WORKGROUP

   server string = Media Server

   security = user
   map to guest = Bad User

   log file = /var/log/samba/%m.log

   max log size = 50


   interfaces = 192.168.2.194/24


   dns proxy = no 


[media]
   path = /shares
   public = yes
   only guest = yes
   writable = yes

[storage]
   path = /media/storage
   public = yes
   only guest = yes
   writable = yes

Samba 4.* : Password Complexity

Samba 4 requires strong password when adding new user with pdbedit. If you want to disable the complexity check, just use the follwing command:
# samba-tool domain passwordsettings set --complexity=off

Build Samba without CUPS

Just build without cups installed. From the Samba Wiki:

Samba has built-in support [for CUPS] and defaults to CUPS if the development package (aka header files and libraries) could be found at compile time.

Of course, modifications to the PKGBUILD will also be necessary: libcups will have to be removed from the depends and makedepends arrays and other references to cups and printing will need to be deleted. In the case of the 4.1.9-1 PKGBUILD, 'other references' includes lines 169, 170 and 236:

    mkdir -p ${pkgdir}/usr/lib/cups/backend
    ln -sf /usr/bin/smbspool ${pkgdir}/usr/lib/cups/backend/smb
  install -d -m1777 ${pkgdir}/var/spool/samba