sudo groupadd samba sudo usermod -g samba howard sudo usermod -g samba guest sudo chmod 770 /mnt/watanabe_memories/ In smb.conf, we need: valid users = @samba Like so:

[tribunal_watanabe_memories]
path = /mnt/watanabe_memories
valid users = @samba
browsable = yes
writable = yes
read only = no
guest ok = yes

sudo systemctl restart smb; sudo systemctl restart nmb

Updated: