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    --- title: Lab Meeting Minutes 2020/10/27 tags: lab_meeting --- >Outline >[TOC] --- # PERAL Lab Meeting - 時間:109年10月27日14:00 - 地點:暨南大學科三館321教室 - 出席者:吳坤熹老師、謝萬霖、陳嘉瑋、劉怡君、田蕙瑜、劉又聖 - 會議主題: [Introduction to SAMBA](http://ms15.voip.edu.tw/~phoebe/Introduction_to_SMB.pptx) - 主講者: 劉怡君 - 主記: 劉又聖 ## 會議內容 - SMB - SAMBA, Server Message Block - Protocol at Application Layer - 目前泛指用於連接Unix和Windows兩種不同作業系統的網路檔案分享系統 - FTP(File Transfer Protocol) - 無法在Client端直接修改Server端上面的檔案資料 - Client需要先下載檔案、做修改、再送回去 - NFS - **僅能讓 Unix-like 機器溝通** - CIFS(Common Internet File System) - SMB的前身,**僅能讓 Windows 機器溝通** - 網路上的芳鄰 - NetBIOS(Network Basic Input/Output System) - Protocol(Layer? - 僅限於LAN - 擴展至WAN: NetBIOS over TCP/IP - Identity - NetBIOS Name - 類似ID,做身分識別用 - SMB Daemons - `nmbd` - 管理工作群組 - 進行 NetBIOS name的解析 - 利用**UDP**在**port 137, 138**上負責名稱解析等工作 - `smbd` - 管理 SMB server分享的目錄、檔案與印表機等 - 利用**TCP**運作於**port 139, 445** - Connection mode - peer-to-peer - 每一部主機的地位相等,皆可**獨立運作**而不受他人的影響 - 適用於 - 小型網域 - 每個使用者都獨自擁有該台電腦的所有權 - EX: 固定座位的辦公室 - domain model - 所有的帳號與密碼都放置於一部主控電腦(**Primary Domain Controller, PDC**) - 不同的身份具有不一樣的電腦資源使用權限 - 適用於 - 大型網域 - 每一部電腦都屬公用電腦 - EX: 學校 - SMB config file - config file path: /etc/samba/smb.conf(on ubuntu) - file content - [share_name] - path: 要分享的檔案(或目錄)的路徑 - valid users: 可以使用這個分享資料夾的使用者 - valid users: name1, name2 - browseable: 是否讓這個區塊的資源可以被索引 - read only: 是否唯讀 - writable: 是否可以寫入 - public: 是否讓所有可以登入的使用者看到這個項目 - Variants - SMB version 1(IBM)/CIFS(Microsoft) - SMB version 2(Microsoft) - 改善加密機制 - SMB version 3(Microsoft) - 支援RDMA技術 ### 建議&問題 1. NetBIOS做為一個協定,屬於第幾層協定 [name=Johnson] Ans: Application Layer [name=Phobe] 2. Performance comparison between NFS and Samba. [name=Solomon] Ans: 花時間實驗 [name=Phobe] 3. 在Johnson自己的Server上,如果他自己不把他自己加到valid users裡面,是不是就不能透過Samba存取目錄 [name=Jeffriy] Ans: Yes [name=Phobe] 4. SMB能同時連線至同一個server的帳號嗎? [name= Angela] Ans: - 若不同server能透過 net use 設定不同的掛載點來取得[name= Solomon] - [name= Phoebe] 5. Microsoft接手整合SMB後,為何放棄CIFS的名字? [name=Edger] Ans: 不甚明瞭 [name=Phobe] 6. ## 待追蹤事項 1. Does [Windows Subsystem for Linux](https://en.wikipedia.org/wiki/Windows_Subsystem_for_Linux) support NFS? [name=] 2. Samba Domain Controller 3. SMB and NFS over RDMA 4. More NFS and SMB service in our lab. 5. Auto Mount ## 臨時動議 - 無 --- 散會結束時間:

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