Samba is a widely-used open source toolkit that not only makes it easy for Linux and Unix computers to talk to Windows networks, but also lets you host a Windows-style Active Directory domain without Windows servers at all. The name, in case you’ve ever wondered, is a happy and easy-to-say derivation from SMB, short for Server Message Block, a proprietary file-sharing protocol that goes way back to the early 1980s.
Read full article on Naked Security