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The Computer Systems Lab

The Computer Systems Lab. Computer Sciences Department University of Wisconsin New Graduate Student Orientation David Parter, Associate Director. The CSL: Who, What and Where. Develop and Support Computing Facilities Desktop Workstation: All Faculty, Staff, Graduate Student desks

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The Computer Systems Lab

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  1. The Computer Systems Lab Computer Sciences Department University of Wisconsin New Graduate Student Orientation David Parter, Associate Director

  2. The CSL: Who, What and Where • Develop and Support Computing Facilities • Desktop Workstation: All Faculty, Staff, Graduate Student desks • Instructional Labs serve 6,000 students/year • Special facilities as needed for research projects CSL New Graduate Student Orientation

  3. Who, What and Where(continued) • Room 2350 Computer Sciences & Statistics • lab@cs.wisc.edu • 262-2389 • Office Hours: • 8 am - noon, 1 pm -5 pm Monday - Friday • “Off Hours” (limited help -- student staff): • 8 - 10 pm Monday - Thursday • 6 - 8 pm Friday • noon - 2 pm Saturday & Sunday CSL New Graduate Student Orientation

  4. Computer Systems Lab Staff • Director: Paul Beebe (beebs@cs.wisc.edu) • Associate Director: David Parter (dparter@cs.wisc.edu) • User Services: vacant position CSL New Graduate Student Orientation

  5. Computer Systems Lab Staff (continued) • Software Staff: • Jerel Mackay (jerel@cs.wisc.edu) • David Thompson (thomas@cs.wisc.edu) • John Perkins (john@cs.wisc.edu) • Marc Dionne (dionne@cs.wisc.edu) • vacant position (NT support specialist) • 1 Project Assistant • 12 Undergraduate Students CSL New Graduate Student Orientation

  6. CSL User Community • 39 Faculty (plus affiliated faculty) • 40 Research and Administrative Staff • 250 Graduate Students • 250 Undergraduate Majors • 3,300 Students per semester (including grads, majors) • Affiliated Researchers, Visitors, etc. CSL New Graduate Student Orientation

  7. Computer Systems Lab Facilities • Workstations: CSL New Graduate Student Orientation

  8. Special Purpose Computers • 3 Sun Enterprise 5000 • 4 Sun Enterprise 6000 (“Midship”) • Cluster of Workstations (“COW”) • Cluster of PCs (“COPs”) • IBM SP-2 • Linux Cluster (Fall ‘99): 100 nodes • dual xeon, 2GB RAM CSL New Graduate Student Orientation

  9. Operating Systems • Major Operating Systems: • Supporting Operating Systems: • Solaris, Digital Unix, Linux (soon) • Windows NT CSL New Graduate Student Orientation

  10. File Service and Backups • ~1 TB in AFS File System • UNIX and Windows NT • Backups Every Night: • AFS • Not including /common/tmp • Local Disks on All Unix Computers • Not including /tmp, instructional workstations • NOT Backing Up NT Local Disks (yet) CSL New Graduate Student Orientation

  11. File Service and Backups • Full Backups on 2-Week Cycle • All Changed Files Saved To Tape Every Night • First “Full” Backup Set Each Month Saved for 1 Year • First “Full” Backup Set for January and June Saved for 2 Years CSL New Graduate Student Orientation

  12. CSL Networks • 10 Mbit/Sec Ethernet 10 (soon < 5) • 100 Mbit/Sec Ethernet 50 • FDDI 1 • ATM (local) 3 Switches, 60 ports • Gigabit 2 • Future: Upgrade routers, switches, more Gigabit CSL New Graduate Student Orientation

  13. Campus Networks • ATM Core • Mix of Ethernet, Fast Ethernet on Campus • 60 Mbit/second “commodity” internet • OC-3 (155 Mbit/second) link to AADS • vBNS • MREN schools • Abilene (Internet2) • other high-speed networks CSL New Graduate Student Orientation

  14. CSL Instructional Facilities • UNIX: • 40 Sun SparcStation 20/51 workstations • 40 Sun Ultra 10/300 workstations • All CS Graduate Students Have Unix Accounts • Solaris 2.6 (2.7 scheduled for January) • MIT X11R6.4 • Most CS Programming Courses CSL New Graduate Student Orientation

  15. CSL Instructional Facilities • Windows NT: • 107 Pentium Pro workstations • 30 400 MHz Dual Pentium II workstations • 14 Pentium III workstations (new lab Fall ‘99) • Attended Labs for CS 132 • Open Labs for Other Courses: • CS 110, 302 (introductory programming) • CS 638 (computer graphics) CSL New Graduate Student Orientation

  16. Special Facilities • General Purpose Windows NT Lab • 2 Pentium Pro Workstations • All CS Users Have Accounts • “Crash-and-Burn” Lab • 4 Pentium Workstations • Install Any OS, Experiment for Project Classes • Room 3370B CS&S • “OD” Key Opens Door (soon) CSL New Graduate Student Orientation

  17. UNIVERSITY RESEARCH FUNDS 27% FACILITIES CHARGEBACK (Research Projects) 40% UNIVERSITY INSTRUCTIONAL FUNDS 33% Computer Systems Lab Funding • Combined Operating Budget: $760,000 • FY99 University Funded Research Capital: $115,000 CSL New Graduate Student Orientation

  18. CSL Computing Environment • One Login Name Per Person • AFS: Unified File System • 150 MB AFS Home Directory for Grad Students • Kerberos V Authentication • Global Mail Aliases (username@cs.wisc.edu) • Backup Tapes Made Every Night CSL New Graduate Student Orientation

  19. AFS File System • Unified File System • Similar to Unix File System • http://www.cs.wisc.edu/csl/doc/howto/afs • CSL Naming Conventions: • “recover” Command for Instant Restoreof Yesterday’s Files CSL New Graduate Student Orientation

  20. CSL Unix Environment • X Window System • Same Software on All Platforms (if possible) • Installed Software: • Base Operating System (some local changes) • Additional Software in /s/package-name • /s/std/bin Provides Almost All Software • Unsupported Software: /unsup CSL New Graduate Student Orientation

  21. CSL Unix Environment (continued) • Default “dot” Files • /s/lab/skel • /s/std/bin/newdots • Unix Software Catalog: • http://www.cs.wisc.edu/csl/doc/info/unix-software CSL New Graduate Student Orientation

  22. Software Upgrades, Installation and Support • Critical Instructional Software Frozen During Semester • Compilers, Editors, etc • Except Emergencies • New Versions installed in /s/package-version • /s/package/ChangeLog • Installation History, Configuration Notes • Suggestions Welcome CSL New Graduate Student Orientation

  23. CSL Windows NT Environment • Infrastructure Shared With Unix • AFS File System • Kerberos V Authentication • Login Authorization via CSL Database • Printing via Unix • Eudora POP Mail Client • Kerberos POP for Security CSL New Graduate Student Orientation

  24. CSL Windows NT Environment (continued) • AFS File System Mappings • home directory mapped to U: • /s mapped to S: • /p mapped to P: • /afs/cs.wisc.edu mapped to W: • /afs works in symbolic links on NT CSL New Graduate Student Orientation

  25. CSL Windows NT Workstations • Instructional Workstations • Read-only Profile for All Users • including NT workstations in TA offices (new) • Research Desktop Workstations • Less Restricted Environment • Difficulty Managing Locally Installed Software • Roaming Profiles CSL New Graduate Student Orientation

  26. Windows NT Software • Windows NT Support for Past 2+ Years • No Previous Windows Support to build on • Current Software Selection More Limited Than on Unix • Costs, Installation Difficulties • Adding More Software Now and in Future • http://www.cs.wisc.edu/csl/doc/info/nt-software • Some Software on Local Disk • Most Software in AFS (/s -> S: Drive) CSL New Graduate Student Orientation

  27. Maintenance Windows and Scheduled Downtime • Maintenance Windows for Most Scheduled Downtime • Sunday 4 - 8 pm • Sunday 8 - 12 pm • Announced in cs-announce, on web • Other Downtime and Reboots: • Instructional Workstations Reboot Every Morning • Emergencies • As Needed for Large Projects CSL New Graduate Student Orientation

  28. The Workstation On Your Desk • All Support Graduate Students (TAs, RAs, Fellows) • Use for Project Research, Personal Research,Course Work • Can Not Change Configuration (Hardware, System Software, users) • Postscript Printers on Each Floor • DO NOT TURN OFF OR REBOOT ANY CS COMPUTER!!! CSL New Graduate Student Orientation

  29. The Workstation On Your Desk (continued) • Please Don’t Move the Workstation • Don’t Spill Soda, Coffee, etc • Dialins: WiscWorld Campus Model Pool • Managed by Division of Information Technology • http://www.wisc.edu/wiscworld • Use SSH (SecureCRT) • DO NOT TURN OFF OR REBOOT ANY CS COMPUTER!!! CSL New Graduate Student Orientation

  30. CS Department Communication and Information • Email: • graduates@cs.wisc.edu • Class Mailing Lists (csXXX-nlist@cs.wisc.edu) • Announcements: • Identical Content: Choose Your Preferred Format • uwisc.cs.announce newsgroup • cs-announce mailing list • msgs CSL New Graduate Student Orientation

  31. CS Department Communication and Information (continued) • Discussion: • uwisc.cs.misc newsgroup • cs-misc mailing list • World Wide Web: • http://www.cs.wisc.edu/ CSL New Graduate Student Orientation

  32. Systems Lab Communication and Information • lab@cs.wisc.edu • Preferred Method of Reporting Problems, Making Requests • News and Announcements: • uwisc.cs.lab newsgroup • cs-lab mailing list • Important, General Announcements in cs-announce CSL New Graduate Student Orientation

  33. Systems Lab Web Pages • http://www.cs.wisc.edu/csl • Online Documentation: • http://www.cs.wisc.edu/csl/doc (new) • http://www.cs.wisc.edu/csl/faq (old) • CSL Polices: • http://www.cs.wisc.edu/csl/doc/policy • http://www.cs.wisc.edu/csl/policies • Polices Set by Facilities Committee, Faculty CSL New Graduate Student Orientation

  34. Computer Systems Lab Policies • Graduate Student Accounts • http://www.cs.wisc.edu/csl/doc/policy/grad • Instructional Computing Facilities • http://www.cs.wisc.edu/csl/doc/policy/inst • General UW Rules Regarding Computer Use • UW Policy on Electronic Data Privacy • http://www.cs.wisc.edu/csl/doc/policy/privacy CSL New Graduate Student Orientation

  35. Activating Your Account • CSL Office: 2350 CS&S, 8-12, 1-5 M-F • First Account: Instructional Unix Workstations • Office Workstation: Send Email to lab@cs.wisc.edu When Assigned to an Office • Mail Aliases and New Accounts Change Overnight CSL New Graduate Student Orientation

  36. Interacting With the Systems Lab • Use Email if Possible • lab@cs.wisc.edu • Request Tracking System • Include lab@cs.wisc.edu in any followups • include [CSL #NNNNN] in Subject: line • Plan Ahead • Ask, Don’t Demand • Read the Policies and FAQ First CSL New Graduate Student Orientation

  37. Interacting With the Systems Lab • Provide as Much Information as Possible • Open To Suggestions • lab@cs.wisc.edu • dparter@cs.wisc.edu • Please Understand, Special Cases are Hard • Busy Times: Week Before, First 2 Weeks of each Semester CSL New Graduate Student Orientation

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