Centos 7 Samba server workgroup

Step 1: Enable epel

yum install http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm

Step 2: Install packages

yum install samba samba-client samba-common vim

Step 3: enable service and open firewalld ports

systemctl enable smb.service
systemctl enable nmb.service
systemctl start smb.service
systemctl start nmb.service
firewall-cmd –permanent –zone=public –add-service=samba
firewall-cmd –reload

Step 4: Configure samba

cp smb.conf  smb.conf.orig

vim  /etc/samba/smb.conf


[global]
workgroup = "Put here your workgroup name"
server string = Samba Server Version %v
netbios name = "Put here host name you desire"
log file = /var/log/samba/log.%m
max log size = 50
security = user
passdb backend = tdbsam
local master = yes
load printers = no
cups options = raw
map to guest = Bad User

restart samba services

systemctl restart smb.service

systemctl restart nmb.service

now a computer running windows 7 your server should be visible in network host list

server visible in workgroupnow we will add a shared folder where all users can write even guest.

Step 5: Add a global write shared folder:

create a directory in your linux system where is located your shared folder

mkdir -p /home/commonfolder

chmod -R 0755 /home/commonfolder/

setsebool -P samba_enable_home_dirs on

chown -R nobody:nobody /home/commonfolder/

chcon -t samba_share_t /home/commonfolder/

add shared folder in smb.conf file

vim /etc/samba/smb.conf

it should look similar this example


[global]
workgroup = "Put here your workgroup name"
server string = Samba Server Version %v
netbios name = "Put here host name you desire"
log file = /var/log/samba/log.%m
max log size = 50
security = user
passdb backend = tdbsam
local master = yes
load printers = no
cups options = raw
map to guest = Bad User

[commonfolder]
path = /home/commonfolder
read only = No
guest ok = Yes

verify your config file

testparm

reload your samba configuratión

systemctl restart smb.service
systemctl restart nmb.service

In your windows client machine click your samba server and verify that you can read and write in your shared folder

anonymous shared folderwriting anonymous shared folder

 Step 6: Add a secured shared folder

Now we will create a shared folder for our user peter, first we will create a system user

 useradd -s /sbin/nologin peter

groupadd smbgroup

usermod  -a -G smbgroup peter

set samba password for peter user

smbpasswd -a peter

mkdir -p  /samba/peter_share

chmod -R 0775 /samba/peter_share/

chown -R peter:smbgroup /samba/peter_share

chcon -t samba_share_t /samba/peter_share/

add Peter share in smb config file

vim /etc/samba/smb.conf

it should be like these

[global]
    workgroup = "Put here your workgroup name"
    server string = Samba Server Version %v
    netbios name = "Put here host name you desire"
    log file = /var/log/samba/log.%m
    max log size = 50
    security = user
    passdb backend = tdbsam
    local master = yes
    load printers = no
    cups options = raw

[commonfolder]
    path = /home/commonfolder
    read only = No
    guest ok = Yes

[peter]
        path= /samba/peter_share
        writable = yes
        browsable = yes
        guest ok = no
        valid users = peter

After this  restar your samba services

systemctl restart smb.service
systemctl restart nmb.service

now you can access to your shared folder

samba autentificationSolving problems with user permissions in guest share

If user Peter try to modify data from commonfolder all data will be mapped agains user peter and can have problems to solve this add the option guest only = yes in commonfolder share options


[commonfolder]
path = /home/commonfolder
browsable =yes
writable = yes
guest ok = yes
read only = no
guest only = yes

 

References:

https://www.howtoforge.com/samba-server-installation-and-configuration-on-centos-7

http://www.unixmen.com/install-configure-samba-server-centos-7/

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