vi /etc/samba/smb.conf

### vi ###
add user script = /usr/sbin/useradd --create-home %u # 주석 제거
add group script = /usr/sbin/addgroup --force-badname %g # 주석 제거

[public]
   path = /srv/samba/public
   guest ok = yes
   read only = no
   guest only = no

[internal]
   path = /srv/samba/internal
   read only = no
   valid users = ws-user
### vi ###

systemctl restart smbd nmbd

pdbedit -a ws-user

mkdir /srv/samba
mkdir /srv/samba/public
mkdir /srv/samba/internal

chown ws-user:ws-user /srv/samba/*
chmod 775 /srv/samba/*