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marcos jost
marcos jost Geek Registrado
3.6K Mensagens 4 Curtidas

Fazer backup de usuarios e arquivos do samba

#1 Por marcos jost 01/08/2007 - 18:46
Bom, tenho um servidor rodando o Debian, que é o pdc da rede, nele roda o samba e servidor dhcp.
Tem aprox 50 usuarios cadastrados, grupos, pastas publicas, privadas e de grupos.
So que a maquina esta comprometida, tem muito lixo instalado, serviço sem utilidade e desatualizados, alem do proio sistema estar sem atualizaçaõ a mais de 8 meses.
Minha idéia: salvar os dados dela, instalar o debian 4 estavel somente com o necessário e migrar os dados.
Só não tenho idéia de como fazer backup dos arquivos e usuários, mantendo as devidas permissões nas pastas.
Não coloquei versões pois no momento não estou na máquina.
jqueiroz
jqueiroz Cyber Highlander Registrado
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#3 Por jqueiroz
03/08/2007 - 13:49
Backup é backup. QQ esquema que preserve as permissões das pastas vale; seja Bacula, Amanda, ou script personalizado de reinvenção da roda.

Quanto aos usuários, você tem que ver como o samba foi configurado pra manter o cadastro deles: pode ser no arquivo /etc/samba/smbusers, pode ser num arquivo ".tdb" no próprio diretório "/etc/samba", ou no diretório "/var/(lib/)samba", pode ser em LDAP... pra cada caso, você vai ver qual é a forma mais eficiente de backup.
"chmod 777 nunca ajudou ninguém" (c) 2002-2021 JQueiroz/FGdH
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marcos jost
marcos jost Geek Registrado
3.6K Mensagens 4 Curtidas
#4 Por marcos jost
03/08/2007 - 20:12
Acho que o samba usa o ldap, pois o comando usado pelo script que adiciona usuarios é smbldap-useradd -a -m nomedousuario .
Pequei essa bomba ja pronta, todo configurado nas coxas e sem documentação alguma. Agora quero colocar tudo redondinho e tambem começar a fazer backups em dvd, pq fita dat nem em sonho aqui...
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marcos jost
marcos jost Geek Registrado
3.6K Mensagens 4 Curtidas
#5 Por marcos jost
14/08/2007 - 14:06
Estava vendo, no diretorio /var/lib/samba tem uma serie de arquivos .tdb :
registry, secrets, passdb, ntforms, ntprinters, ntdrivers, account_pollicy, group_mapping.
O arquivo smb.conf :

#
# Sample configuration file for the Samba suite for Debian GNU/Linux.
#
#
# This is the main Samba configuration file. You should read the
# smb.conf(5) manual page in order to understand the options listed
# here. Samba has a huge number of configurable options most of which
# are not shown in this example
#
# Any line which starts with a ; (semi-colon) or a # (hash)
# is a comment and is ignored. In this example we will use a #
# for commentary and a ; for parts of the config file that you
# may wish to enable
#
# NOTE: Whenever you modify this file you should run the command
# "testparm" to check that you have not made any basic syntactic
# errors.
#

#======================= Global Settings =======================

[global]

## Browsing/Identification ###

netbios name = sambasrv
# Change this to the workgroup/NT-domain name your Samba server will part of
workgroup = loja

# server string is the equivalent of the NT Description field
# server string = Samba server
server string = samba

# Windows Internet Name Serving Support Section:
# WINS Support - Tells the NMBD component of Samba to enable its WINS Server
; wins support = no

# WINS Server - Tells the NMBD components of Samba to be a WINS Client
# Note: Samba can be either a WINS Server, or a WINS Client, but NOT both
; wins server = w.x.y.z

# This will prevent nmbd to search for NetBIOS names through DNS.
dns proxy = no

# What naming service and in what order should we use to resolve host names
# to IP addresses
; name resolve order = lmhosts host wins bcast

#### Networking ####

# The specific set of interfaces / networks to bind to
# This can be either the interface name or an IP address/netmask;
# interface names are normally preferred
; interfaces = 127.0.0.0/8 eth0
hosts allow = 192.168.0. 192.168.1. localhost
# Only bind to the named interfaces and/or networks; you must use the
# 'interfaces' option above to use this.
# It is recommended that you enable this feature if your Samba machine is
# not protected by a firewall or is a firewall itself. However, this
# option cannot handle dynamic or non-broadcast interfaces correctly.
; bind interfaces only = true



#### Debugging/Accounting ####

# This tells Samba to use a separate log file for each machine
# that connects
log file = /var/log/samba/log.%m

# Put a capping on the size of the log files (in Kb).
max log size = 1000

# If you want Samba to only log through syslog then set the following
# parameter to 'yes'.
; syslog only = no

# We want Samba to log a minimum amount of information to syslog. Everything
# should go to /var/log/samba/log.{smbd,nmbd} instead. If you want to log
# through syslog you should set the following parameter to something higher.
syslog = 0

# Do something sensible when Samba crashes: mail the admin a backtrace
panic action = /usr/share/samba/panic-action %d


####### Authentication #######

# "security = user" is always a good idea. This will require a Unix account
# in this server for every user accessing the server. See
# /usr/share/doc/samba-doc/htmldocs/Samba-HOWTO-Collection/ServerType.html
# in the samba-doc package for details.
security = user

# You may wish to use password encryption. See the section on
# 'encrypt passwords' in the smb.conf(5) manpage before enabling.
encrypt passwords = true

# If you are using encrypted passwords, Samba will need to know what
# password database type you are using.
passdb backend = ldapsam:ldap://127.0.0.1
ldap suffix = dc=6bcom,dc=mil
ldap machine suffix = ou=Computadores
ldap user suffix = ou=Usuários
ldap group suffix = ou=Grupos
ldap admin dn = cn=admin,dc=loja,dc=net
ldap delete dn = no

obey pam restrictions = yes

; guest account = nobody
; invalid users = root

# This boolean parameter controls whether Samba attempts to sync the Unix
# password with the SMB password when the encrypted SMB password in the
# passdb is changed.
unix password sync = yes

# For Unix password sync to work on a Debian GNU/Linux system, the following
# parameters must be set (thanks to Ian Kahan
< for
# sending the correct chat script for the passwd program in Debian Sarge).
passwd program = /usr/bin/passwd %u
passwd chat = *Enter\snew\sUNIX\spassword:* %n\n
*Retype\snew\sUNIX\spassword:* %n\n *password\supdated\ssuccessfully*
.

# This boolean controls whether PAM will be used for password changes
# when requested by an SMB client instead of the program listed in
# 'passwd program'. The default is 'no'.
; pam password change = no

########## Domains ###########

# Is this machine able to authenticate users. Both PDC and BDC
# must have this setting enabled. If you are the BDC you must
# change the 'domain master' setting to no
#
os level = 65
domain master = yes
local master = yes
preferred master = yes
domain logons = yes

enable privileges = yes
#
# The following setting only takes effect if 'domain logons' is set
# It specifies the location of the user's profile directory
# from the client point of view)
# The following required a [profiles] share to be setup on the
# samba server (see below)
logon path = \\%L\profiles\%U
# Another common choice is storing the profile in the user's home directory
; logon path = \\%N\%U\profile

# The following setting only takes effect if 'domain logons' is set
# It specifies the location of a user's home directory (from the client
# point of view)
; logon drive = U:
; logon home = \\%L\%u\.profiles\%m

# The following setting only takes effect if 'domain logons' is set
# It specifies the script to run during logon. The script must be stored
# in the [netlogon] share
# NOTE: Must be store in 'DOS' file format convention
; logon script = logon.cmd
logon script = logon.bat

# This allows Unix users to be created on the domain controller via the SAMR
# RPC pipe. The example command creates a user account with a disabled Unix
# password; please adapt to your needs
; add user script = /usr/sbin/adduser --quiet --disabled-password --gecos "" %u

########## Printing ##########

# If you want to automatically load your printer list rather
# than setting them up individually then you'll need this
; load printers = yes

# lpr(ng) printing. You may wish to override the location of the
# printcap file
; printing = bsd
; printcap name = /etc/printcap

# CUPS printing. See also the cupsaddsmb(8) manpage in the
# cupsys-client package.
; printing = cups
; printcap name = cups

# When using [print$], root is implicitly a 'printer admin', but you can
# also give this right to other users to add drivers and set printer
# properties
; printer admin = @ntadmin


############ Misc ############

# Using the following line enables you to customise your configuration
# on a per machine basis. The %m gets replaced with the netbios name
# of the machine that is connecting
; include = /home/samba/etc/smb.conf.%m

# Most people will find that this option gives better performance.
# See smb.conf(5) and /usr/share/doc/samba-doc/htmldocs/speed.html
# for details
# You may want to add the following on a Linux system:
# SO_RCVBUF=8192 SO_SNDBUF=8192
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192

# The following parameter is useful only if you have the linpopup package
# installed. The samba maintainer and the linpopup maintainer are
# working to ease installation and configuration of linpopup and samba.
; message command = /bin/sh -c '/usr/bin/linpopup "%f" "%m" %s; rm %s' &

# Domain Master specifies Samba to be the Domain Master Browser. If this
# machine will be configured as a BDC (a secondary logon server), you
# must set this to 'no'; otherwise, the default behavior is recommended.
; domain master = auto

# Some defaults for winbind (make sure you're not using the ranges
# for something else.)
; idmap uid = 10000-20000
; idmap gid = 10000-20000
; template shell = /bin/bash

#======================= Share Definitions =======================

[homes]
comment = Home Directories
browseable = no
valid users = %S

# By default, the home directories are exported read-only. Change next
# parameter to 'yes' if you want to be able to write to them.
writable = yes

# File creation mask is set to 0700 for security reasons. If you want to
# create files with group=rw permissions, set next parameter to 0775.
create mask = 0700

# Directory creation mask is set to 0700 for security reasons. If you want to
# create dirs. with group=rw permissions, set next parameter to 0775.
directory mask = 0700

[publico]
comment = Pasta Pública
path = /home/publico
public = yes
browseable = yes
writeable = yes
create mask = 0777
directory mask = 0777

[boletim]
comment = Boletins Ostensivos
path = /home/boletim
browseable = yes
public = yes
# read only = yes
writeable = yes
write list = @1secao
force group = +1secao
# create mask = 0775
# directory mask = 0775
force create mode = 2775
force directory mode = 2775

[secoes]
comment = Compartilhamentos das Seções
path = /home/secoes
browseable = yes
public = yes
writeable = yes
force create mode = 2770
force directory mode = 2770

# Un-comment the following and create the netlogon directory for Domain Logons
# (you need to configure Samba to act as a domain controller too.)
[netlogon]
comment = Network Logon Service
path = /home/netlogon
guest ok = yes
browseable = no
writable = yes
share modes = no

# Un-comment the following and create the profiles directory to store
# users profiles (see the "logon path" option above)
# (you need to configure Samba to act as a domain controller too.)
# The path below should be writable by all users so that their
# profile directory may be created the first time they log on
[profiles]
# comment = Users profiles
# path = /home/profiles
# guest ok = no
# browseable = no
# read only = no
# writeable = yes
# store dos attributes = Yes
# create mask = 0600
# directory mask = 0700
# nt acl support = yes
# profile acls = yes
comment = Perfis Móveis
path = /home/profiles
read only = no
profile acls = yes

[printers]
comment = All Printers
browseable = no
path = /var/spool/samba
printable = yes
public = no
writable = no
create mode = 0700

# Windows clients look for this share name as a source of downloadable
# printer drivers
[print$]
comment = Printer Drivers
path = /var/lib/samba/printers
browseable = yes
read only = yes
guest ok = no
# Uncomment to allow remote administration of Windows print drivers.
# Replace 'ntadmin' with the name of the group your admin users are
# members of.
; write list = root, @ntadmin

# A sample share for sharing your CD-ROM with others.
;[cdrom]
; comment = Samba server's CD-ROM
; writable = no
; locking = no
; path = /cdrom
; public = yes

# The next two parameters show how to auto-mount a CD-ROM when the
# cdrom share is accesed. For this to work /etc/fstab must contain
# an entry like this:
#
# /dev/scd0 /cdrom iso9660 defaults,noauto,ro,user 0 0
#
# The CD-ROM gets unmounted automatically after the connection to the
#
# If you don't want to use auto-mounting/unmounting make sure the CD
# is mounted on /cdrom
#
; preexec = /bin/mount /cdrom
; postexec = /bin/umount /cdrom
[oculto$]
comment = Especifico do Admin
path = /home/admin
read only = No
create mask = 700
max connections = 1
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