https://blog.gongquiz.com/2021/04/18/%ec%82%bc%eb%b0%94samba%ec%9d%98-%ea%b8%b0%eb%8a%a5%ec%97%90-%eb%8c%80%ed%95%9c-%ec%84%a4%eb%aa%85%ec%9c%bc%eb%a1%9c-%ec%98%b3%ec%a7%80-%ec%95%8a%ec%9d%80-%ea%b2%83%ec%9d%80-%eb%84%a4%ed%8a%b8/