EGEE-II INFSO-RI-031688

Enabling Grids for E-sciencE

www.eu-egee.org

EGEE and gLite are registered trademarks

Introduction to EGEE hands-on

Gergely Sipos (sipos@sztaki.hu)

EGEE “User training and Induction”

Activity deputy manager

MTA SZTAKI

Computer and Automation Research Institute

Hungarian Academy of Sciences

CoreGRID Summer School 2007 – Budapest, 3-7 September 2

Enabling Grids for E-sciencE

EGEE-II INFSO-RI-031688

Bookmark the agenda

• Go to the agenda page for this event as follows:– Open IceWeasel browser– Default page is http://lpds.sztaki.hu/css07

– Click on “Slides and instructions”– Open these slides:

Day 1 / Hands on practical with the EGEE Grid

Introduction

CoreGRID Summer School 2007 – Budapest, 3-7 September 3

Enabling Grids for E-sciencE

EGEE-II INFSO-RI-031688

The GILDA t-Infrastructurehttps://gilda.ct.infn.it

•Training VO of EGEE•Production VOs look like this!•>20 sites in 3 continents•Guaranteed response for tutorials•Has its own CA:

•2 weeks long renewable certificates•No identity check

•Can be used by anyone any time (priority for tutorials)

CoreGRID Summer School 2007 – Budapest, 3-7 September 4

Enabling Grids for E-sciencE

EGEE-II INFSO-RI-031688

• Tutor will assign you a user number XX

• Open a terminal and connect to GILDA UI:

ssh budapestXX@glite-tutor.ct.infn.it

– usernames budapest01....budapest30 – passwords GridBUD01....GridBUD30– Certificate passphrase: BUDAPEST

Logging on to GILDA

5

Enabling Grids for E-sciencE

EGEE-II INFSO-RI-031688

Security infrastructure

BrokerComputing Elements

StorageElements

. . .Sites of the

GILDAtraining VO

ssh

Tutorial room machines

gLite UI glite-tutor.ct.infn.it

InternetGSI

~/.globus:

userkey.pem

usercert.pem

CoreGRID Summer School 2007 – Budapest, 3-7 September 6

Enabling Grids for E-sciencE

EGEE-II INFSO-RI-031688

Overview of exercises

Tutorial 1 – Security • Listing private key and certificate files• Generating short term proxy credentials with VOMS extension• Listing proxy attributes• (Destroying proxy)

Tutorial 2 – Simple job submission• Writing a simple JDL – no input sandbox• edg-* commands

• edg-job-list-match; edg-job-submit; edg-job-status; edg-job-get-output

CoreGRID Summer School 2007 – Budapest, 3-7 September 7

Enabling Grids for E-sciencE

EGEE-II INFSO-RI-031688

Overview of exercises

Tutorial 3 – Information system• Query BDII server• lcg-infosites command

Tutorial 4 – Advanced job submission• More advanced JDL expressions• glite-* commands

• glite-wms-job-submit; glite-wms-job-status; glite-wms-job-output

Open the exercises from the School’s webpage!

Ask for help if you need.