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Windows Interoperability

Windows Interoperability. Chris “CJ” Janneck CSE 398 – Sys Admin 4/19/2004. What can Samba do?. Allow for peaceful coexistence between Windows and Linux/UNIX systems regarding: File sharing Printer sharing Distributed Filesystem sharing Client Authentication

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Windows Interoperability

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  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_dirsmbfsoptions0 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.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

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