How to install Samba server on CentOS 6

Part 1: Configuring anonymous share with samba server

To install the samba package,enter the following command:

sudo yum install samba samba-client samba-common

Check the version of installed samba software by using this command:

smbd --version

Configure the samba service, so that, it will start automatically at boot time:

sudo chkconfig smb on
sudo chkconfig nmb on

Disable the SELinux:

sudo nano /etc/selinux/config

Change SELinux from enforcing to disabled:


Add these Iptables rules, so that samba will work perfectly:

sudo iptables -I INPUT 4 -m state --state NEW -m udp -p udp --dport 137 -j ACCEPT
sudo iptables -I INPUT 5 -m state --state NEW -m udp -p udp --dport 138 -j ACCEPT
sudo iptables -I INPUT 6 -m state --state NEW -m tcp -p tcp --dport 139 -j ACCEPT
sudo service iptables save

Restart the Server!!!

Go to your Windows machine and use this command in order to check the WORKGROUP name:

net config workstation

It will show the output, something like this:

Backup the smb.conf file, then delete it and create the new one:

sudo cp /etc/samba/smb.conf /etc/samba/smb.conf.bak
sudo rm /etc/samba/smb.conf
sudo touch /etc/samba/smb.conf
sudo nano /etc/samba/smb.conf

Add these lines, in your smb.conf file (or change it according to your requirement):

#======================= Global Settings =====================================
 workgroup = WORKGROUP
 security = share
 map to guest = bad user
#============================ Share Definitions ==============================
 path = /samba/share
 browsable =yes
 writable = yes
 guest ok = yes
 read only = no

Save the smb.conf file and restart the service:

sudo service smb restart
sudo service nmb restart

Access the samba share from windows (where centos is the name of my samba server):

wao, we are able to access the samba share successfully :-)

Let’s try to create something, inside the share folder:

Error, we cannot create anything inside the share folder :-(

Check the current permission on the samba share:

cd /samba/
ls -l

Change it, in such a way that everyone can read and write it(Check it, that it is allowed in your environment or not):

sudo chmod -R 0777 share
ls -l

Try to create something again, inside the share folder:

Verify the newly created file on samba server:

cd share/
ls -l

Part 2: Add and manage users and groups

Add a group in your CentOS server (in my case smbgrp):

sudo groupadd smbgrp

Create a new share, set the permission on the share:

cd /samba/
sudo mkdir secure
sudo chown -R arbab:smbgrp secure/ 
ls -l 
sudo chmod -R 0770 secure/
ls -l

Add the user to the samba group and create samba password:

sudo usermod -a -G smbgrp arbab
sudo smbpasswd -a arbab

Edit the smb.conf file:

sudo nano /etc/samba/smb.conf

Add the newly created samba share in smb.conf file:

path = /samba/secure
 valid users = @smbgrp
 guest ok = no
 writable = yes
 browsable = yes

Restart the samba service:

sudo service smb restart
sudo service nmb restart

Check the syntax error with testparm:

sudo testparm

Testing from Windows Machine:

Verification from CentOS server:

cd /samba/secure/
ls -l 

Hope this will help you!

Please Remember me in your prayers!

Enjoy :-)

37 responses to “How to install Samba server on CentOS 6

  1. Mr. Sushant Wankhede August 23, 2012 at 6:41 pm

    Its Awesome. I surf so many articles for this matter, but found this the BEST. I will give 10/10 to this.Thanks Sir.

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  5. Suman Saha November 9, 2012 at 1:40 am

    This the best and many thanks to you.

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  7. DaveC November 12, 2012 at 5:48 pm

    I’m very much a part time linux admin and this looked like a nice article until I got to the bit about “Change SELinux from enforcing to disabled:”. Doing this, then changing the iptables and rebooting caused my linux Centos6 system to become completely unbootable. I had to dd enforcing=0 to my boot string just to get into the system to change it back. And after 2 hours it is still relabeling…My own fault for not understand the SELinux system but still annoying 😦

    • Arbab November 12, 2012 at 10:07 pm

      DaveC, I never ever had a problem of this kind………I disabled the SELinux on almost more than 100 linux but never faced this kind of problem…….very strange for me

      • DaveC November 13, 2012 at 1:51 pm

        Never did anything else so i would just say to people be careful and be sure you know how to get back in if your going to change selinux=disabled 😉 thanks by the way, this was a very well written and informative article.

  8. cro November 30, 2012 at 3:21 am

    Hi very nice tuto.

    have you heard anything about sharing folder from centos to windows where the share folder is located under an LVM partition?

    I am asking that because it does work when you share a “normal” folder but it doesn’t when the share is located on a LVM partition?

    At least it doesn’t for me ;-p

  9. Everett January 5, 2013 at 1:36 am

    Excellent article! Beware of where you put the /samba/share directory on the Linux VM. If you put it in /home/user, the Win7 host will not be able to access it.

  10. Jhon Edison January 15, 2013 at 12:23 am

    Very x 10e10 thank’s!!!! you saved me .. was the best article I’ve found. Greetings from Colombia.

  11. angelo Cavallet January 30, 2013 at 2:46 am

    very nice 😀

  12. Kyle February 4, 2013 at 9:24 am

    when i go to access the share from my windows machine it gives me an error saying windows cannot access and gives me the share path and i know it is typed in correctly the error code is also 0x80070043 can anyone help me

  13. Thankful for this guide March 13, 2013 at 6:02 pm

    cheers for this guide!

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  17. Anonymous June 18, 2013 at 4:34 pm

    Anonymous : when i access the created from a linux machine , even if i enter the user name and password it doesnt works for the secure folder but for windows its works fine.. whats the issue ?

  18. alex September 17, 2013 at 4:03 pm

    hello all, thanks for great and fast tutorial. I was wondering if it is possible to have another one for using a different ldap server to authenticate users for the samba server . i have tried to do it and i get

    check_sam_security: make_server_info_sam() failed with ‘NT_STATUS_NO_SUCH_USER’
    from samba log

  19. Anonymous September 29, 2013 at 3:38 am

    Wonderful tutorial. It was very helpful. I run it on a Centos 6.4 and needed to add an additional rule to iptables:
    -A INPUT -p tcp -m state –state NEW -m tcp -dport 445 -j ACCEPT
    Now I can browse the share from any client Linux and Windows.

  20. anon January 29, 2014 at 3:54 pm

    Thanks for this dude…it helped me a lot. Concise, simple and to the point!

  21. stanis February 19, 2014 at 4:17 pm

    Thank you a lot ^)

  22. Tharsan February 25, 2014 at 7:45 am

    great job bro !!

  23. April 7, 2014 at 5:58 pm

    Thank you so much. I was able to share folders, but by only using Host Only adpter. Does this even work with NAT Adapter

  24. Endro Rhs April 23, 2014 at 5:24 pm

    Amazing, my problem is resolved for 2 months with this tutorial completed within 30 minutes

  25. May 2, 2014 at 8:10 pm

    Extremely Helpful. Thanks!

  26. Michael August 14, 2014 at 3:12 am

    What a fantastic SAMBA guide – never seen one so easy.

    So, to take this one step further, if we have a bunch of linux users already on the system and wanted them to have full access to their own home/user directories would I add the following to the smb.conf file:

    comment = Home Directories
    browseable = no
    writable = yes
    guest ok = no
    ; valid users = %S
    ; valid users = MYDOMAIN\%S

  27. Gagan Pal August 24, 2014 at 3:59 am

    Very nice!! smooth and steady article!

  28. btissam April 2, 2015 at 8:20 pm

    It work perfectly. Thank youuuuuuuuu

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  30. Jonas May 12, 2016 at 12:39 am

    The setting “security = share” leads to an error during startup of the service. I’m using samba 4.2.10. I removed the line and everything’s working fine.

  31. Christopher Skjoedt November 23, 2017 at 1:25 pm

    Great job.

    I am learning Certificate 4 in Networking at TAFE (it’s like an Australian public college but the networking courses are Cisco certified which is recognised world wide) and we have been running CentOS 6.9 in VMWare Workstation Pro (my teacher is more of of a fan of Workstation Pro than VirtualBox).

    I am just typing up my last assignment on CentOS 6.9 (Setting up Samba) and your website has been a great help for steps I have forgotten.

    Thanks. 🙂

  32. Tu Nguyen February 12, 2019 at 12:38 pm

    Hi! Thank for sharing! Very clear!

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