1. Windows Interoperability Chris “CJ” Janneck CSE 398 – Sys Admin 4/19/2004

2. What can Samba do? Allow for peaceful coexistence between Windows and Linux/UNIX systems regarding: File sharing Printer sharing Distributed Filesystem sharing Client Authentication Provide/Assist with Windows Internet Name Service (WINS)

3. How does Samba do it? SMB = Server Message Block SMB is an extension added by MS to allow DOS to redirect calls to NetBIOS NetBIOS = (crude) interface between network and application CIFS = Common Internet File System Different paradigm than NFS Based on protocols from SMB SMBFS Allows Linux to treat CIFS just as another foreign FS

4. Why care about Windoze? It’s everywhere (dun dun DUN!) Chances are, more of your clients will be using it than *NIX It has brought computing to the average Joe – billions of ‘em It uses inferior multi-user technology, and we should help them where possible It’s not leaving anytime soon – get over it

5. “Everybody dance now.” (p798) Samba runs as a service; usually needs little attention Can check using smbstatus Only config file: /etc/samba/smb.conf Two daemons smbd – file and print services, authentication nmbd – NetBIOS name service, browsing

6. What will Samba do here? Can do File sharing Printer sharing Distributed Filesystem sharing Client Authentication Provide/Assist with Windows Internet Name Service (WINS) Backup PCs (smbtar) Will do only setup of file sharing today

7. File Sharing Setup Install Samba V2 series: 2.2.8a latest V3 series: 3.0.2a latest Modify /etc/samba/smb.conf Add users and set passwords Add user using useradd Set user password using passwd Set Samba password using smbpasswd Restart Samba /etc/rc.d/init.d/smb restart

8. /etc/samba/smb.conf Standard, simple scheme [share] attribute = value # or ; denotes a comment Sample Headings: global – global settings, network IDs homes – users home directories printers – printing utilities Music – mp3 and other audio files everyone – open RW share to all

9. Shares and Attributes global workgroup = name of Windows network group netbios name = name to appear in Windows Network Neighborhood hosts allow = list of IPs (whitespace-delineated) to have access to SMB shares encrypt passwords = yes, for Win98+; no for Win95- homes browseable = yes, will map directly to /home/user; much like “My Documents” ability on campus writable = yes (same as read only = no ); by default, all shares are read-only

10. Common Shares and Attributes Music path = path to music files public = yes, will allow RX access to all users write list = list of users that can write invalid users = list of users that cannot access Note: users are names from Windows logon, and are case- insensitive. everyone path = path to RW storage space Often also set read only = no and browseable = yes Note: gives full RW access to anyone – be careful printers printable = yes path = /var/spool/samba

11. Accessing Samba/Win Shares From Windows Using Network Neighborhood Act and look like normal shares From Linux/UNIX Using a file manager (like Konqueror) Often very slow, requires re-entering of passwords Using network app like Komba2 or LinNeighborhood Mount them in /etc/fstab //SMB_server/share local_mount_dir smbfs options 0 0 mount –t smbfs –o username=name //SMB_server/share mount_dir

12. Egotistical Reasons So you don’t feel like sharing with others? SMBFS now allows RW access to NTFS Can have fully-functional and non-exclusive dual-boot machines Do not have to lose resources (printers, files, etc.) when developing under Linux or Win

13. Resources Plenty available, including books 100’s of pages long – just on Samba! http://www.mandrakeuser.org/docs/connect/ csamba.html http://www.mandrakeuser.org/docs/connect/ csamba.html http://www.samba.netfirms.com/index.htm http://www.samba.org Tons of documentation, including Using Samba by O’Reilly, all online

14. Miscellaneous Issues Useful Windows tools ssh clients X-Windows emulators Dual-booting Running Windows under Linux or vice versa vmware (recently purchased by EMC) http://www.plex86.org/ OpenOffice.org WINE www.cygwin.com