Small Office and Home network. Windows Linux Mac shares
https://forums.linuxmint.com/viewtopic.php?t=377372
no root permisions!
Make sure you added your user names to the samba password database.
sudo smbpasswd -a ktylek
sudo service smbd restart
How to disable IPv6 on Linux Mint
https://intercom.help/privatevpn/en/articles/6468844-how-to-disable-ipv6-on-linux-mint