/users/rlr/Courses/ICPSR-02/Handouts/getting-started.txt -------------------------------------------------------- At ICPSR lab, you can login by going to Start -> Programs -> Hummingbird Connectivity -> Exceed (XDMCP - Broadcast) Then a window should pop up with a selection of CSCS computers to log into. Double click on one based on the last two digits of your login: sum0203-07 dolce 22-25 volpina 08-12 pesce 26-28 talia 13-17 lupo 29-30 mercato 18-21 pulcina 31-32 formica Then a login prompting window with CSCS on it should pop up: enter your login, then when it asks for your password, enter that. There will be a bit of a pause as it starts up the linux GDM window manager. You should see a new task bar appear at the bottom of the screen. (In future logins, you may see other screens pop up if you told the system to remember them.) At the CSCS lab: the CSCS login screen will be on the the console, so you just start from there. ******** DON'T FORGET TO LOGOUT WHEN DONE ******** At ICPSR: In the linux taskbar, on the far left, there is a (gnome's) foot: this will bring up a popup menu (similar to the Start menu in windows) Select the Logout item--that logs you off the CSCS computer. Then click on Exit in the window that is titled "XDMCP Display Manager Chooser" which will pop up again (the window with the selection of CSCS machines). At CSCS: Foot->logout on panel at bottom of linux *************************************************** To see your windows task bar while the linux GDM task bar is there: Press (together) KeyWithWindowsIconOnIt - D (that's the key left of the space bar a bit) You should see the windows task bar come to the foreground, and you will still see the GDM task bar behind it. A note on three-button mice: most things done with mb1 (left button) some things with other two So...try left first, then try right and middle! Note on Backspace: it seems to require ^H (control-H) ********************************************************** *** *** *** IMPORTANT LESSIONS *** *** *** Keep trying things....you will find you accumulate *** skills which carry over across computer systems!! *** This is because systems have similar "architectures" *** with minor variation in details, so if you have the *** basic concepts and skills down, with a few *** trial-and-errors you will find the variant in use *** on the computer you are at. *** *** You will also learn with a little experience: *** -- what are "plausible" variants, *** -- what typical things go wrong, *** -- how to ignore many details, and to treat some *** things as "magic" *** *** In short, try to not get (too) frustrated at the *** beginning!! You'll soon find its easy to do the *** few things you need to do. *** *** *** Also note: you can't crash the machine. *** You can't screw things up for anyone but yourself! *** *********************************************************** Bring up a terminal window for typing in commands: click on terminal-icon (with foot on its edge) in the GDM task bar (just left of Godzilla) A window will pop up with a prompt like: dolce-sum0200$ This is a window into which you will type commands (see below). To bring up a web browser: click on the Godzilla icon in the GDM taskbar I would suggest you add bookmarks for (at least) this course: www.pscs.umich.edu/~rlr/icpsr From there you can get to the CSCS documentation page, etc. You can stretch a window by grabbing at the edges and corners move by grabbing top bar (or press ALT-mb1 anywhere) You can drag windows by placing the mouse in the window title bar, holding MB1 (left) and dragging. *** On the xterm command line interface: We are going to be executing most things by typing in commands in the "xterm" window(s). Modern linux systems also provides icon/menu/mouse interfaces, but most of this is not available remotely (eg from the ICPSR labs). And in general the typed command interface is much more flexible and powerful, and so it is really very useful for actually creating and running your own simulation models. *** NB **** *** Case matters *** Example: ls report is not the same as: ls Report *** Sometimes space matters, sometimes not. *** Example: ls-l is not equal to: ls -l *** *** Also note that el 'l' and one '1' sometimes look similar *** in these hardcopy printouts. *** You can view these handouts online via Netscape or *** other browser (see below for top page). To execute a unix command (or script), type it in to the "xterm" window (at the prompt), with any parameters or options, and press Enter. For example, to get see the computer clock's date/time and then see a list of files in your current directory (no files to start!) type in these two lines: date ll <-- that is two "el" characters To change your CSCS passwd, at the prompt enter: yppasswd You will be asked for you old password, and for a new one. To try out one of the Swarm models, you can enter: tipping Three "widgets" should appear. If the windows are overlapping each other, you can drag them by placing the mouse in the window title bar, holding MB1 (left) and dragging. To tell the tipping simulation to initialize, press the START button once. A 2D "world" with Red, Green and Black squares should appear, as well as some (empty) graphs. Press START again and it the agents should begin to move, and become more segregated. After changes stop, you can press STOP. To exit the simulation, press QUIT. See the handout: demo1-script.txt as well as the tipping-writeHelp.txt handout for more information about the Tipping model. For more general introductory information about using the CSCS computers, linux, emacs (an editor), and so on, see the web page titled: # CSCS Lab Introduction (logins, passwords, remote use, etc.) which is available off the CSCS lab documentation page at: http://www.pscs.umich.edu/lab/doc-index.html ******************************************************** * *** IMPORTANT *** * * When you are done, be sure to logoff the CSCS computer * as described above. * ********************************************************