好久没有配置samba了，由于同事要从windows下访问，但是总是有问题，google了一下，发现是SELinux的问题。
It also suggested that this theory can be checked by switching off SELinux for Samba by:
/usr/sbin/setsebool -P smbd_disable_trans 1
But this will obviously lose the benefits of SELinux
