1. EGEE-III INFSO-RI-222667 Enabling Grids for E-sciencE Apr. 25, 2009 www.eu-egee.org Grid Computing Hands On Training for Users Faculty of Sciences, University of Novi Sad Vladimir Slavnić slavnic@scl.rs Scientific Computing Laboratory Institute of Physics Belgrade Serbia Setting up the user account Grid Computing Hands On Training for Users

2. Enabling Grids for E-sciencE EGEE-III INFSO-RI-222667 User Interface (UI) Access point to Grid User must have a local account on machine Basic grid operations: –list resources suitable for job –submit jobs –cancel jobs –retrieve job output –show job status –file operations –… Grid Computing Hands On Training for Users 2

3. Enabling Grids for E-sciencE EGEE-III INFSO-RI-222667 Certificates Grid passport X.509 Subject Name (SN) /C=RS/O=AEGIS/OU=Institute of Physics Belgrade/CN=Vladimir Slavnic Certification Authority (CA) Obtaining a certificate $ grid-cert-request userkey.pem usercert_request.pem usercert.pem Virtual Organisation (VO) Grid Computing Hands On Training for Users 3

4. Enabling Grids for E-sciencE EGEE-III INFSO-RI-222667 Setting up.globus Right permissions: –444 usercert.pem –400 userkey.pem Checking a certificate $ grid-cert-info $ grid-cert-info -subject (-enddate) (-issuer) $ openssl verify -CApath \ /etc/grid-security/certificates/ ~/.globus/usercert.pem $ grid-proxy-init -verify Grid Computing Hands On Training for Users 4

5. Enabling Grids for E-sciencE EGEE-III INFSO-RI-222667 Proxies Standard proxies $ grid-proxy-init $ grid-proxy-info $ grid-proxy-destroy VOMS proxies –Group –Role $ voms-proxy-init -voms $ voms-proxy-init –voms : [Role= ] $ voms-proxy-info (-all) Grid Computing Hands On Training for Users 5

6. Enabling Grids for E-sciencE EGEE-III INFSO-RI-222667 Proxy renewal MyProxy server $ echo $MYPROXY_SERVER $myproxy-init -s -d -n $myproxy-info -s -d $ myproxy-destroy -s -d Grid Computing Hands On Training for Users 6

7. Enabling Grids for E-sciencE EGEE-III INFSO-RI-222667 Links http://aegis-ca.rcub.bg.ac.yu/ https://edms.cern.ch/file/722398//gLite-3-UserGuide.pdf http://wiki.egee- see.org/index.php/Quick_User_Guide_for_Submitting_ Jobshttp://wiki.egee- see.org/index.php/Quick_User_Guide_for_Submitting_ Jobs Grid Computing Hands On Training for Users 7