list all devices

bart@ubuntu:~$ dmesg


at the bottom find your device name in my case 500gb usb hdd as sdb

sd 6:0:0:0: [sdb] 976773168 512-byte logical blocks:500GB/465GiB)


create partition with fdisk on sdb hdd

sudo fdisk /dev/sdb


– click m for help than choose “p” to list existing partitions
– remove partition by pressing “d” and select partiton from the list
– “n” for new partiton “p” primary partition, number “1”
– save and exit “w”

format to ext4

sudo mkfs.ext4 /dev/sdb1


create directory for NAS in your desire location

bart@ubuntu:/mnt$ sudo mkdir NAS


mount hdd to directory /mnt/NAS/

sudo mount /dev/sdb1 /mnt/NAS/


find uuid for sdb1

sudo blkid /dev/sdb1


add USB HDD to permanent mount after reboot edit /etc/fstab

sudo nano /etc/fstab


add USB HDD to permanent mount after reboot edit /etc/fstab

#add at the bottom of the file than save (use your UUID)
UUID="5fc39f17-7763-4633-92e7-41e62c56e614" /mnt/NAS/ ext4 defaults,users,umask=0 0 0


test in by umount /dev/sdb1 and than use

sudo mount -a


create share folder /mnt/NAS/SHARENAME

sudo mkdir /mnt/NAS/SHARENAME


make sure about permissions

sudo chmod 777 /mnt/NAS/SHARENAME


edit /etc/samba/smb.conf

[global]
workgroup = workgroup
netbios name = NAS
server string = Samba Server %v
map to guest = Bad User
log file = /var/log/samba/log.%m
max log size = 50
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
preferred master = No
local master = No
dns proxy = No
security = User
interfaces = em1 lo
bind interfaces only = yes
hosts allow = 127.0.0.1 192.168.1.0/24 192.168.7.0/24
hosts deny = 0.0.0.0/0
[SHARENAME]
path = /mnt/NAS/SHARENAME
valid users= louise, bart, backup
read only = no
create mask = 0777
directory mask = 0777
writeable = Yes


add user
useradd louise


add password for samba

sudo smbpasswd -a louise


restart service

sudo service smbd restart


magic! 😀