EGEE tutorial introduction Luciano Gaido INFN Torino

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

• give an introduction on the current EGEE
• middleware
• give an overview of the grid services and
• infrastructure
• show how to use the grid resources

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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)

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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

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Agenda(http//infnforge.cnaf.infn.it/cdsagenda//f
ullAgenda.php?idaa0440)
AGENDA
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Overview and technical details

• Each session includes
• a theoretical part on CLI and API usage in EGEE
• 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

GILDA
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Few notes on GILDA Infrastructure(https//gilda.c
t.infn.it)
Students Terminals
SE
- PKI X.509 certificate keys - JDL files
RB/BDII
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Accessing the grid
Each participant will use a desktop on a private
network Students desktops ainfa01.aulainformat
ica.ph.unito.it
..
ainfg08. aulainformatica.ph.unito.it User
userxxx Password see the printed
documentation He will have to ssh connect to one
of the three available GILDA User Interfaces
(UIs) User Interfaces ui-tut-03.aulainformati
ca.ph.unito.it ui-tut-04.aulainformatica.ph.un
ito.it ui-tut-05.aulainformatica.ph.unito.it
User tutorxxx Password see the printed
documentation and use a temporary GILDA
certificate Certificate Pass Phrase see the
printed documentation
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Materials

• Materials for the hands-on sessions are located
• on the UIs
• root_at_ui-tut-03 tutor025 ls -la
• drwx------ 4 tutor025 root 4096 Jan
  17 1156 .
• drwxr-xr-x 83 root root 4096 Jan
  17 1713 ..
• drwxr-xr-x 2 tutor025 root 4096 Jan
  17 1040 .globus
• drwxr-xr-x 6 tutor025 root 4096 Jan
  17 1156 Exercises
• root_at_ui-tut-03 tutor025 ls -l Exercises/
• drwxr-xr-x 4 tutor025 root 4096 Jan
  14 1501 IS
• drwxr-xr-x 2 tutor025 root 4096 Jan
  12 0936 JobData
• drwxr-xr-x 3 tutor025 root 4096 Jan
  11 1837 JobSubmission
• drwxr-xr-x 5 tutor025 root 4096 Jan
  14 1501 SE
• -rw-r--r-- 1 tutor025 root 489 Jan
  11 1737 uicommands.txt
• on the agenda web page
• ppt and help (txt) files

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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

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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 dont forget to fill in the form
• http//www.grid-tutorial.to.infn.it/feedback.php

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Enjoy the tutorial
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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 dellUniversità di Torino