* Getting json\\
      wget --no-check-certificate http://cms-service-dqm.web.cern.ch/cms-service- dqm/CAF/certification/Collisions15/13TeV/DCSOnly/json_DCSONLY_Run2015B.txt
  * Calculating limi with [[https://twiki.cern.ch/twiki/bin/viewauth/CMS/Lcr2|LCR2]]
  * getting the right global tag [[https://twiki.cern.ch/twiki/bin/view/CMSPublic/SWGuideFrontierConditions#Global_Tags_for_2015_first_beams|here]]