1. EGEE is a project funded by the European Union under contract IST-2003-508833 EGEE tutorial introduction Luciano Gaido INFN -Torino INFN-GRID/EGEE Grid User Tutorial Torino, January 18-19, 2005 www.eu-egee.org

2. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 2 Goals of the tutorial  give an introduction on the current EGEE middleware middleware  give an overview of the grid services and infrastructure infrastructure  show how to use the grid resources

3. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 3 Some preliminary info DataGrid (EDG):  grid project funded by the EU FP5 (2001-2004)  middleware release (base for LCG) LCG (LHC Computing Grid): http://www.cern.ch/LCG  “CERN” project started in 2002  european grid infrastructure (partially overlapping with INFNGRID infrastructure)  middleware release (e.g. LCG2) INFNGRID: http://grid.infn.it  INFN project started in 2000  italian grid production infrastructure (aka Grid.it)  middleware release (e.g. INFNGRID-2.3.0, based on LCG-2.3.0)

4. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 4 Some preliminary info (cont.) EGEE: http://www-eu-egee.org  grid project funded by the EU FP6 (2004-2006)  european grid infrastructure (interconnection of the national grids)  middleware release (e.g. EGEE-0 aka LCG2)  gLite will be the next middleware release GILDA: https://gilda.ct.infn.it  testbed (test infrastructure) used for demos, test of applications, tutorials and dissemination  uses the INFNGRID m/w release

5. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 5 Agenda ( http://infnforge.cnaf.infn.it/cdsagenda//fullAgenda.php?ida=a0440 ) AGENDA

6. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 6 Overview and technical details Each session includes: theoretical  a theoretical part on CLI and API usage in EGEE hands-on  a hands-on part. Please, feel free to ask questions whenever you feel like Hands-on sessions will use the dissemination Grid: for more information, please refer to: https://gilda.ct.infn.it

7. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 7 Few notes on GILDA Infrastructure (https://gilda.ct.infn.it) UI - PKI X.509 certificate keys - JDL files Students Terminals enter Grid enter Grid enter Grid enter Grid UI WN RB/BDII CE SE GILDA RLS

8. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 8 Accessing the grid Each participant will use a desktop on a private network: Student’s desktops: ainfa01.aulainformatica.ph.unito.it ….. ….. ainfg08. aulainformatica.ph.unito.it ainfg08. aulainformatica.ph.unito.it User: User: userxxx Password Password: see the printed documentation He will have to ssh connect to one of the three available GILDA User Interfaces (UI’s): User Interfaces: User Interfaces: ui-tut-03.aulainformatica.ph.unito.it ui-tut-04.aulainformatica.ph.unito.it ui-tut-05.aulainformatica.ph.unito.it User: User: tutorxxx Password Password: see the printed documentation and use a temporary GILDA certificate: Certificate Pass Phrase: Certificate Pass Phrase: see the printed documentation

9. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 9 Materials Materials for the hands-on sessions are located:  on the UIs: [root@ui-tut-03 tutor025]# ls -la drwx------ 4 tutor025 root 4096 Jan 17 11:56. drwxr-xr-x 83 root root 4096 Jan 17 17:13.. drwxr-xr-x 2 tutor025 root 4096 Jan 17 10:40.globus drwxr-xr-x 6 tutor025 root 4096 Jan 17 11:56 Exercises [root@ui-tut-03 tutor025]# ls -l Exercises/ drwxr-xr-x 4 tutor025 root 4096 Jan 14 15:01 IS drwxr-xr-x 2 tutor025 root 4096 Jan 12 09:36 Job+Data drwxr-xr-x 3 tutor025 root 4096 Jan 11 18:37 JobSubmission drwxr-xr-x 5 tutor025 root 4096 Jan 14 15:01 SE -rw-r--r-- 1 tutor025 root 489 Jan 11 17:37 uicommands.txt  on the agenda web page:  ppt and help (txt) files

10. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 10 Few notes on EGEE The EGEE middleware system has been developed in several different languages and by many different people in different countries  Programming languages such as C, C++, Python, Java etc. have been used  End user APIs usually exist in either C, C++ or Java  CLI and API libraries are either available in /opt/edg or /opt/lcg  …/bin CLI commands .../lib for C, C++ libraries .../share/java for Java libraries The API signature is not very coherent; primarily due to different languages, technologies and maturity of middleware parts  Web services usually allow for a higher diversity of language bindings (APIs) than standard C or C++ based services

11. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 11 Some more info COFFEE BREAKS located in Aula Wataghin (old building, first floor) follow the arrows unfortunately at different times....  TUTORIAL EVALUATION To improve the quality of the tutorials your feedback is very important. Please don’t forget to fill in the form: http://www.grid-tutorial.to.infn.it/feedback.php

12. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 12 Enjoy the tutorial

13. INFN-GRID/EGEE Grid User Tutorial - Torino, 18-19.01.05 - 13 Thanks to….  all the trainers and the people involved in the tutorial preparation:  Valeria Ardizzone (INFN Catania)  Stefano Bagnasco (INFN Torino)  Roberto Barbera (INFN Catania)  Simona Bortot (INFN Torino)  Riccardo Brunetti (INFN Torino)  Simone Campana (CERN)  Flavia Donno (CERN – INFN Pisa)  Emidio Giorgio (INFN Catania)  Giuseppe La Rocca (INFN Catania)  Stefano Lusso (INFN Torino)  Patricia Mendez Lorenzo (CERN)  Federico Nebiolo (INFN Torino)  Pierpaolo Pittavino (Dip. Fisica Teorica - Università di Torino)  Giuseppe Platania (INFN Catania)  Gennaro Tortone (INFN Napoli)  Cristina Vistoli (INFN CNAF)  prof D. Marocchi - Consiglio Corso di Laurea in Fisica dell’Università di Torino  dr. A. Maggiora - direttore INFN, sezione di Torino