Error grafana-server

Dear all,
I want to ask about graf

ana. thank you for the answer. I installed grafana version 5.3.0-beta2 on ubuntu 14.04 64bit. I adjusted the install stage at the link, but after the systemctl step, start grafana on the graphana server error. after I check but the directory / usr / sbin / log / gfarana doesn’t exist. Is there a stage that I have to install? or is there something left? thank you