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PSC Student Technology Orientation

PSC Student Technology Orientation. Social Sciences Computing 9/16/2011. Introductions. Social Sciences Computing Jim Kane – Manager, SSC Network and Helpdesk Kyle Small – Linux Systems Administrator Chris Mustazza – Director, Student Technology & Social Sciences Computing. the plan.

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PSC Student Technology Orientation

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  1. PSC Student Technology Orientation Social Sciences Computing 9/16/2011

  2. Introductions • Social Sciences Computing • Jim Kane – Manager, SSC Network and Helpdesk • Kyle Small – Linux Systems Administrator • Chris Mustazza – Director, Student Technology & Social Sciences Computing

  3. the plan • Introduce ourselves • Tell you about the resources available to you as PSC students, and, more generally, as SAS students • Give you a crash course on the amazing things possible in the wonderful world of Linux • Give some brief advice on data security and backups • Let you know where to find computing help for any questions you may have

  4. You have a bunch of accounts… • …and they can by difficult to keep straight. • Here’s a quick review of accounts you (should) have: • PennKey– access to most University-wide resources • Email – your SAS email address • SAS Domain account – for logging into lab computers and accessing Windows file servers • Linux account – for accessing SSC Linux resources

  5. Requesting server accounts • It’s highly likely that you already have a PennKey and email address. • But perhaps you haven’t yet requested your domain and Linux accounts. If not, you can find the request form here: https://www.ssc.upenn.edu/web_account_services/acct_request.html

  6. Computer Labs

  7. Computer Labs • Log in with either PennKey or SAS domain account • PennKey gives you a generic experience • SAS domain account gives you a more personalized experience • You can find a listing of available computer labs here: http://www.sas.upenn.edu/computing/rds/labs • Labs include: • UDAL (104 and 108 McNeil) • GDAL (303 McNeil) • PSC Lab (223 McNeil) • The Weigle Information Commons is also a great resource for all Penn students: http://wic.library.upenn.edu/

  8. Software in the labs • Highlights – most labs have Stata, SAS, SPSS(now PASW), R, MS Office. • Others have more nonstandard software for specific purposes,e.g.GDAL has Gauss, Scientific Word, etc. • See: http://www.sas.upenn.edu/computing/teaching_resources/computer_labs for details.

  9. Running jobs in the labs N.B: Lab computers are good for running small jobs; the machines do not lock, so you’d need to be present the whole time the job is running, unlike with Linux.

  10. Windows File Servers • Your SAS domain account allows you access to shares on SSC Windows files servers • Storage space on server may be requested for specific projects.

  11. Printing Printing is available in all of our labs SAS provides the ability to print to several lab printers from your own computer. More information is available here: http://www.sas.upenn.edu/computing/printing There is also wireless printing available in the Library: http://www.library.upenn.edu/computing/printing/Personal.html

  12. How it works • Student installs driver package for location he/she wishes to print • Student prints document from any location – dorm room, library, etc. • Print job gets queued at release station(jobs are queued for finite amounts of time, usually 120 minutes – then flushed). • Student swipes ID card to release job and pay for printing • Document prints

  13. Linux

  14. What is Linux? • An operating system for computers – analogous to Windows or MacOs. • It’s just another way to manage your documents, run programs, etc. • Linux is the generic name for the operating system – specific flavors include: • RedHat/CentOS • Ubuntu

  15. What’s the point? • Benefits of using Linux for PSC students: • Run long jobs from anywhere without the need to sit at a lab computer • Let’s say you need to run a Stata job with a runtime of 30 hours – you could log into Linux, start the job, and go about other tasks. You can connect to Linux from anywhere to check on your job or view the results after completion. • Store your files/jobs in a safe place • Writing code can be frustrating, and the worst thing ever is losing data – especially code that you’ve labored over for hours. The Linux server is regularly backed up, so you won’t have to worry about losing your work.

  16. Linux Resources • Lambic: • File Server • Holds /home and /work directories. • Shares data between porter/pils. • Porter: • Webserver • Serves /home/PENNKEY/public_html pages. • Pils: • Statistics Server • R • SAS • STATA • Matlab lambic.ssc.upenn.edu porter.ssc.upenn.edu pils.ssc.upenn.edu

  17. Software you’ll need to get started Windows • Connecting and running jobs – SecureCRT • http://www.upenn.edu/computing/product • Transferring files to your Linux account – FileZilla • http://www.upenn.edu/computing/product • Graphical interface –Xming • http://sourceforge.net/projects/xming/ • MacOS • Connecting and running jobs – Terminal • Built into Mac OS • Transferring files to your Linux account – Fetch • http://www.upenn.edu/computing/product • Graphical interface – X11 • Built into Mac OS

  18. Connecting to Linux from Windows Open SecureCRT Click the quick connect icon ( ) Protocol: SSH2 Hostname: pils.ssc.upenn.edu Port: 22 Username: your PennKey username Click Connect

  19. Connecting to Linux SecureCRT

  20. Connecting to Linux from Mac OS • Open the Terminal application • Click on Spotlight (magnifying glass in top-right corner of screen) • Type “Terminal” and select the top item return • At the prompt, type: ssh [your pennkey]@pils.ssc.upenn.edu • Type “yes” to accept the key (you’ll only be asked this the first time you log in) • Enter your password

  21. Connecting to Linux Copying files from windows Open FileZilla Enter pils.ssc.upenn.edu in the hostname box Enter username/password Set port to 22 (sftp) Click Quick Connect

  22. Transferring Files from Windows to Linux FileZilla

  23. Transferring files from Mac to Linux After you install and open Fetch: • Hostname: pils.ssc.upenn.edu • Username: your PennKey username • Password: you Linux password • Click “Connect”

  24. Transferring files from Mac OS to Linux • You can now open any folder on your computer and drag its contents into the Fetch window to transfer your files to Linux

  25. Doing stuff in Linux Basic Commands • man - Display the manual page for a command • ls - List the contents of a directory • cd – Change to another directory • pwd – Print working (current) directory • mkdir – Make a directory • cp – Copy files • rm – Remove files • cat – Concatenate files and print their contents • tac – Same as cat but in reverse • more & less – Used to read through text 1 screen at a time • And many more…. ks347@pils[~]$ ls public_htmldevworka_script.pl output.log graph.jpg some_notes ks347@pils[~]$ cd /dev ks347@pils[~/dev]$ mkdirnew_dir ks347@pils[~/dev]$ cp ../a_script.pl new_dir ks347@pils[~/dev]$ lsnew_dir a_script.pl ks347@pils[~/dev]$ pwd /home/ks347/dev

  26. Doing stuff in Linux Launching apps ks347@pils[~]$ stata ks347@pils[~]$ xstata ks347@pils[~]$ sas ks347@pils[~]$ R ks347@pils[~]$ matlab stata – Launches the shell version of Stata xstata – launches the graphical version of Stat sas – Launches the graphical version of SAS R – Launches R matlab – Launches the graphical version of Matlab

  27. Graphical interfaces from Windows Setting up Xming with SecureCRT Start Xming Connect to a server Click Options->Session Options then navigate to Remote/X11 Check Forward X11 Packets if it is not already checked You can now go back to the shell and launch graphical apps (xstata, sas, etc.)

  28. Graphical interfaces from Windows Xming

  29. Graphical interfaces from Mac OS • Open the Terminal application, but this time use the following command to connect: ssh –X [your username]@pils.ssc.upenn.edu

  30. Running jobs graphically from your Mac • You can now launch Linux jobs in a graphical environment – e.g. xstata, sas.

  31. Additional Linux Resources • Linux Pocket Guide • Great reference for all Linux users • http://my.safaribooksonline.com/9780596806347 • Information on the “screen” command, for running jobs in the background in Linux • http://aperiodic.net/screen/quick_reference

  32. Other Resources

  33. PARC Terminal Servers • PARC(Population Aging Research Center) has two terminal servers available for research use, at two different levels of security. • PARC shared terminal server - Windows Terminal server that provides applications for use on datasets that require levels of security that are provided by normal network shares. • PARC secure data enclave - Citrix server that provides an encrypted connection and isolation for datasets that require higher security. See: http://parc.pop.upenn.edu/research-services

  34. Web space • Linux accountholders also get web space. When you connect to pils.ssc using SSH or SFTP, you’ll see a folder called “public_html.” Any files you put here will be accessible from: http://www.ssc.upenn.edu/~username

  35. AirPennNet Wireless Internet All SAS buildings, and most buildings on campus, provide wireless Internet through the AirPennNet* network The best way to configure your computer/device for APN is to join the AirPennNet-Help network. If you have any problems getting configured, we can help *You will also see the “AirPennNet-Guest” network; this network is unencrypted, so we recommend using “AirPennNet.”

  36. Data Backup and Security

  37. Data backups • In addition to providing convenient access to your files, storing your documents on the SSC servers provides a backup solution • We backup the servers regularly • For documents that you may not be appropriate for the server, yet are still of the utmost importance (see: your collection of HD-quality episodes of The Daily Show), consider purchasing an external hard drive or USB key, or a cloud backup service.

  38. Data security and privacy • In you use files that contain sensitive data, consider encrypting/password-protecting them – Office provides this functionality. • Consider the sensitivity of data before uploading documents to a cloud service (e.g. Google Docs). • For example, you should never upload personally identifiable, evaluated student work to a third party (FERPA regulations require us to protect it.)

  39. Getting Help

  40. We’re always around to help… • Please write, call, or drop by anytime: McNeil 304 215-898-6454 pops-lsp@ssc.upenn.edu Or fill out our online form – we’ll get back to you ASAP: http://www.sas.upenn.edu/computing/rds/ssc/request

  41. Questions?

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